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    FREEI N D O O R G A R D E N I N G

    UK November - December 2009

    insider tricks& productsthat really work!

    h influences forultimate control!

    doubleyour yieldbonus +

    new productprofiles inside

    20

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    http://www.extremehydro.co.uk/
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    3/523MAXIMUM YIELD UK - November / December 2009

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    From the Editor

    Letters to the Editor

    MaximumYield.com

    Ask ErikMAX Facts

    Product Spotlight

    Check Your Growing IQ

    You Tell Us

    Do You Know?

    Coming up in January - February

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    Water as a Substrate: Aeroponics and Aero-hydroponicsby Noucetta Kehdi

    Drying and Preserving Herbsby Matt LeBannister

    Dosing Procedures for Nutrients and Additives

    by Bob Taylor

    Seaweed: A Precious Material for Plant Nutritionby Luis Bartolo

    Nutritious and Delicious: Tomatoesby Kathy Anderson

    What is pH? Part IIby Grodan

    Little Growers Roots are Spreadingby Heather Pearl

    FEATURES

    DEPARTMENTS

    november / december 2009CONTENTS

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    4/524 MAXIMUM YIELD UK - November / December 2009

    FROM THEeditor jessica raymond

    letters to the editor

    Ma imum Yield reserves the right to edit or brevity.

    WE WANT TO HEAR FROM YOU!Email us at: [email protected]

    Do you have any articles or data on reverse osmosis orhydroponic growing?

    Thank you! Donette Lamson

    R G :RO Logic: A Thinking Man's Guide to Reverse Osmosis x

    k . Y RO L k :

    http://maximumyield.com/article_sh_db.php?articleID=356&yearVar=2008&issueVar =July/August from November/December 2008 UK

    How can I get rid o spidermites without chemicals in my indoorgrow room? They gotta go! Please reply. You guys rock!

    Harry Campbell

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    Fresh WaterNatural Killers

    I was wondering when is the best time to oliar spray.When there's lightor no light?

    Thanks Chrissy Pamplin

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    Foliar Advice

    "Always experiment by justspraying a ew leaves onone o your plants be ore

    subjecting the entire crop to apotentially damaging spray."

    The Right to SearchI really wanted to search on your website, but oundthere was no such eature. Any chance you are planningon adding a search bar to your website? I love your work.Great job!

    Thanks Rod Maley

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    Get ready or an issue ull o tips and tricks to get yourgarden rolling, and i it is already in ull swing, how to keepit in top shape or ma imum growth and yield. This issuetouches on some important details that can make or breakyour garden production. Nutrient dosing, knowing theper ect pH or your crop, learning about seaweeds importantrole in your garden and, to help with the nal stages o yourcrop, we share tips on drying and preserving your herbs.The world is realizing that hydroponics is going to be the

    primary means or ood production and it is great to seethe UK leading the way with its educational initiatives orchildren. This issue we eature an article on Little Growers,a school program which gets children involved in growingand learning about the environment, sustainability andhealthy eating.

    This month marks the East CoastUSA Indoor Gardening E po inOrlando, Florida (Nov. 7-8). Althoughthe trek may be ar, we promise

    it will be well worth your time.Companies rom around the globewill be available to answer all o yourquestions and inspire your growingventures.We hope you enjoy this

    read and the new look andeel o your UK edition.

    We have lots o great stuplanned or 2010, so keepreading and keep growing!

    http://maximumyield.com/article_sh_db.php?articleID=356&yearVar=2008&issueVar=July/Augusthttp://maximumyield.com/article_sh_db.php?articleID=356&yearVar=2008&issueVar=July/Augusthttp://maximumyield.com/article_sh_db.php?articleID=356&yearVar=2008&issueVar=July/Augusthttp://maximumyield.com/article_sh_db.php?articleID=356&yearVar=2008&issueVar=July/August
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    http://www.hydrogarden.com/
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    6/526 MAXIMUM YIELD UK - November / December 2009

    Heather Pearl is completing her BAin development geography at KingsCollege. She acts as undraiser or theLittle Growers team, helping to increaseits e posure and endorsements. Sheis keen to champion the Little Growerscause or worldwide youth education inthe elds o health and horticulture.

    Matt LeBannister works atHomegrown Hydroponics, themanu acturer o the DNF line opremium nutrients and enhancementproducts. Matt manages the retailstore at Homegrowns head o cein Toronto and as o late has beentraveling the trade show circuit astheir resident e pert.

    PRESIDENT/PUBLISHER - Jim JessonGENERAL MANAGER - Don Moores

    BUSINESS MANAGER - Linda JessonSALES DIRECTOR - Lisa Lambersek

    EDITOR - Jessica Raymond [email protected]

    ADVERTISING SALES 250.729.2677

    Linda Jesson - [email protected] Lambersek - [email protected] Madden - [email protected] Hawser - [email protected]

    PRODUCTION & DESIGN [email protected] imumyield.com

    Pentti Tikkanen - [email protected] Joe - [email protected]

    Wes Cargill - [email protected] - Lee Anne Veres

    [email protected]

    I N D O O R G A R D E N I N G

    VOLUME 9 NUMBER 4NOVEMBER/DECEMBER 2009

    Ma imum Yield is published bi-monthly byMa imum Yield Publications Inc.

    2339A Delinea Place, Nanaimo, BC V9T 5L9Phone: 250.729.2677; Fa 250.729.2687

    No part o this magazine may be reproducedwithout permission rom the publisher.

    I li r l l r r r .The views expressed by columnists are a personal opinion and do

    not necessarily refect those o Maximum Yield or the Editor.Publication Agreement Number 40739092

    contributorsNoucetta Kehdi is the co- ounder andadministrator o General Hydroponicsin Europe. Noucetta got involved inhydroponics in the early 1990s andin 1996 she moved to the southwesto France where she took care o agreenhouse educating hersel on allthings hydroponics.

    Bob Taylor is the chie chemist oFlair orm (www.fair orm.com) - anAustralian based manu acturingcompany. Bob was an approved NATAsignatory and an o cial registeredanalyst or the governments chemicalanalysis monitoring program o all

    ertilizers registered in WesternAustralia.

    Become a Ma imum Yield contributor and haveyour articles read by 250,000 readers throughoutUSA, Canada, UK and Australia. Ma imum Yieldis the largest ree-to-consumer indoor gardeningmagazine in the world. Every issue is available onmaximumyield.com , which has thousands o uniquevisitors monthly.

    Tell us what you think at [email protected]. Wed love to hear from you.

    ComIng upon the Web

    Latest neWs The Maldives made headlines earlier this year when they vowed to become the rst

    carbon neutral nation by 2020. Hydro Masta Pty Ltd. of Australia has been awarded a contract to supply 2,000 plant

    hydroponic lettuce systems or the island o Futuna in the Paci c. Cho Woong had designed a fridge-based growing system hoping to eliminate the

    harvest portion o growing by picking produce resh rom the ridge.

    Sustainability is the act o producing all o thenecessities or li e in a manner that does not degrade thequantity or quality o resources or uture generations.

    -Matt Geschke-

    speed Read1. Thermal conductivity o water is 23 times greater than that o air.That is why water-chillers are super-e cient and, despite a high

    up ront cost, they make sense in the long run. Read more inStephen Keens Chill Out: Water Chillers Explained, with Pat King.

    2. Even though winter surrounds us, we can still get that summer-resh taste on a chilly evening with Dr. Lynette Morgans guide to

    indoor strawberries.3. Sustainability: Buzz Word or Legitimate Agenda? Well that

    is the question really because we throw it around like wecreated the idea. Matt Geschke o Sure To Grow takes us on ajourney through the Incan and Aztec cultures to discover that,surprisingly, the term has been around or centuries.

    eventsEast Coast USA Indoor Gardening ExpoNow is the time to pack your bags or the EastCoast USA Indoor Gardening Expo in Orlando,Florida. The Greener Places, Sustainable Spaces event, November 7-8,will be held at the beauti ul Orlando-Marriott World Centre.Join Ma imum Yield or a un- lled and in ormative weekend.Visit www.indoorgardenexpo.com or more in ormation.

    Jose Luis Pinheiro Bartolo is thepresident o Biobizz Worldwide Inc.,a global leader in the production ohydroponic organic ertilizers andsoil mi tures. He is passionate aboutthe organic market and providing thehighest service and per ectionism thatcomes direct rom his heart and isprojected to all aspects o his li e.

    UK DISTRIBUTIONGrowth Technology

    HydrogardenFuture Harvest Developments Europe

    Nutriculture UKCANADIAN DISTRIBUTION

    Brite-Lite GroupBioforal

    Eddis WholesaleGreenstar Plant Products Inc.

    HydrotekMegaWattNorthern Hydroponic Wholesale

    Quality WholesaleUSA DISTRIBUTION

    Aurora InnovationsBWGS + BWGS West + BWGS East

    General HydroponicsHydro arm

    Hydro InternationalNational Garden Wholesale / Sunlight Supply

    R & M SupplyTradewinds

    AUSTRALIAN DISTRIBUTIONDome Garden Supply

    FutchatecGrowth Technology

    Holland ForgeHydraspher

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    http://www.superthrive.com/
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    Do you have a question for Erik? Forward it to [email protected] with the wordsAsk Erik in the subject line, and your answer will be printed in an upcoming edition.

    ASKerik

    Hello Ma imum Yield,

    It seems like there are more and more articles, orums and gardeners talking about LED growlights these days. There are lots o di erent opinions out there. So ar you guys have neversteered me in the wrong direction. So what do you think? Should I consider replacing the HPSlight in my hobby garden with one o the higher output LEDs, and what kind o results should Ie pect i I do?

    Thanks, Fredo

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    By the time you read this in print, there willlikely be more advances in the way o LEDs.

    The extra warm and visible light wavelengthsemitted by the uorescents seem to give

    owering plants that little something extra.

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    http://www.nutriculture.com/
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    10/5210 MAXIMUM YIELD UK - November / December 2009

    The Hampton Court Palace Flower Show held in WestLondon eatured hydroponic technology or intensive ood

    growing in small urban spaces. The idea was to urtherignite peoples imagination to make the most o their smallspaces, and to educate attendees on growing without soil.The event showcased an edible spaces eature with

    three small gardens and si balconies, which includedentertaining and recycling elements.Three designers, Adam

    Frost, Matthew Biggs andChris Myers, were thebrilliant minds behind thethree edible themed urbangardens eaturing vegetables,herbs and edible fowers.London is making a strong

    e ort to encourage sustainable gardening through theirGrow Your Own campaign, which has helped hal amillion people to grow ood across the UK. They have alsosponsored the citys Capital Growth program created in2008, which aims to create 2,012 community ood growingspaces by 2012. At this time there are nearly 100 spacesalready being cultivated across the capital in canal banks,schools, roo s and private gardens.(Source: www.rhs.org.uk )

    hydroponic news, tips and trivia from around the worldMAX

    factsWorlds Largest Gardening EventFeatures Hydroponics Elements

    Evolution not a One-WayStreet Research Proves

    In an e ort to celebrate an increasingnumber o city dwellers who havetaken to growing their own as part oGrowing Coventry, Garden Organic,the UKs leading organic growingcharity, launched a Wonky Vegcompetition.The competition celebrated

    Coventry and Warwickshires mostbizarrely shaped, yet still entirelyedible, home-grown veggies.

    According to Garden Organics chiee ecutive Myles Bremmer, the purpose o the competitionwas to celebrate that produce isnt always as it seems whenwe purchase it at the supermarket. The point is that theveggies were resh and delicious.Green-thumbed entrants had the chance to win a range o

    gardening and ood related prizes. Growers o all ages andabilities took part. Entries included a carrot couple, dinosaurgourd, heart-shaped potato, twisted carrots, conjoinedcucumbers, a 1.22 kilogram potato, smiley tomato and aMickey Mouse look-a-like potato, to name a ew.(Source: www.gardenorganic.org.uk)

    UKs Garden Organic LaunchesWonky Vegetable Competition

    The Greener Places, Sustainable Spaces IndoorGardening E po in Orlando, Florida (November 7-8,2009) promises to be a un and e citing event orgrowers rom around the globe. The event will be heldat the beauti ul Marriott-Orlando World Centre, andwill eature educational seminars, leading industryinnovators and the newest and best products andtechnologies truly something or everyone. Generalpublic is encouraged to join us on Sunday, November 8

    rom 12-5 p.m. This is an event you dont want to miss.For all show in ormation, accommodations and e hibitorlistings, visit www.indoorgardenexpo.com

    East Coast USA Indoor Gardening Expo

    Scientists rom the John InnesCentre and University o St.

    Andrews in Birmingham haveidenti ed a key gene that wastrans erred rom a Sicilianplant into a close relative in Britain.The researchers unravelled the

    history o an Italian interloper, a close relative othe common British weed Groundsel, that was rstbrought to the UK 300 years ago. This region o DNAmodi es the fowers, making the weed more attractiveto pollinators. The results demonstrate how naturalgenetic e changes can allow important traits to betrans erred between species.This goes against the typical view o evolution as

    a one-way street in which each species evolves as aseparate, independent genetic lineage. Hybridisationbetween closely related orms may allow evolutionarycross-talk in which valuable genes can be e changedand preserved. The result is greater fe ibility andpotential or diversity during evolution.(Source: Norwich BioScience Institutes. "Sicilian Plant Gene Enters

    British Genetic Language." ScienceDaily 25 November 2008. 9 July 2009

    )

    Groundsel

    http://www.rhs.org.uk/http://www.rhs.org.uk/
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    11/5211MAXIMUM YIELD UK - November / December 2009

    In a study o the greenest lighting options with regardsto li e-cycle, CFL and LED-based lamps are neck andneck, but because LEDs are still improving, and they donot contain mercury, their disposal is less hazardous.According to a Carnegie Mellon study, only two per

    cent o the total energy consumed by LEDs is used intheir production. The whole li e-cycle o the productwas taken into account, including the manu acturingprocess, how it is used and the disposal at the end o itsli e. The U.S. Department o Energy has already releaseda ew li e-cycle assessments o LED lights, and theconclusions ound that production is a relatively smallportion o the total li e-cycle impacts o the di erentlight bulb technologies. With LEDs and CFLs, over 98 percent o the energy used is consumed to generate light.

    LEDs produce about 30 lumens/watt to CFLs, althoughthe results are very close. Studies predict thate ciencies o 150 lumens/watt are possible or LEDs.(Source: www.treehugger.com)

    LED Leads in the Race againstCFL-based Lamps

    For the second year, the annual Valpak Awards ceremonycelebrated the younger generations commitment to theenvironment with the Young Persons EnvironmentalInnovation Award. Entries were open to all recyclers andyoung business people under the age o 21.UK youth with clever product designs, green business

    ventures or great reduce, reuse and recycle ideas were

    encouraged to enter or their chance to win the impressiveenvironmental award.The Valpak Awards

    invited all shortlisted entrants to theawards dinner heldat Shakespeares Globe in London.Entrants enjoyed a three course dinner and a ter dinnerentertainment courtesy o Pro essor Heinz Wol , bestknown or his television and radio work, including the TVseries The Great Egg Race.(www.recyclemore.co.uk)

    British Polythene Industries Sponsors YoungPerson's Environmental Innovation Award

    MY

    http://www.extremegrowing.com/
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    12/5212 MAXIMUM YIELD UK - November / December 2009

    PRODUCTspotlight ask for these exciting new products at your favourite indoor gardening store.

    The new Nutri eld Elements is a premium our part nutrient speci cally optimizedor grow and bloom phases.

    It has been scienti cally ormulated by Dr. Mohammad Dakakni usingpharmaceutical grade salts. Nutri eld Elements contains each o the 16 key macro-,secondary and micro-elements required or plant nutrition and also containsessential amino acids, enzymes and natural plant stimulants.Two years o scienti c research is contained in every bottle. Available in one litre,ve litres and 20 litres.Visit an indoor gardening retailer to learn more.

    The Brand New Elements is here

    The new Sunleaves International House o Guano LargeKit has even more o the best natural plant ood on theplanet! Included are ve pounds o Me ican Bat Guano,and 11 pounds each o Jamaican Bat Guano, Indonesian BatGuano and Peruvian Seabird Guano. This comprehensiveplant nutrition program provides plants with the per ectlevel o nutrients or each stage o development, and comescomplete with an easy-to-understand eeding schedule orfowering and non-blooming plants, indoors and out. For

    more guano options, visit your local grow shop.

    Sunleaves Guanos Move into a Bigger House

    Grodans GrowChunks are super light and versatile.GrowChunks are a larger version (two squarecentimetres) o the popular

    GrowCubes. They aregreat or direct planting oror use as a lling around

    blocks when in containers.They can be easily mi edwith other media orincreased aeration andadded moisture holdingcapabilities. Available in a cubic metre bag. Visit ahydroponics retailer to learnmore.

    Grodan Introduces GrowChunks

    You asked and we listened; the big mama o all blocks isnow here! Big Mama is the largest block ever producedby Grodan. It is 20 centimetres cubed and contains well

    over twice the amount o wool as the popular Hugo block.This block is big enough to grow a large plant or its entireli e - even a mother plant! When your plant outgrows itscurrent block, just place it on top o Big Mama. Due to theheight o this block we recommend top watering methods.Big Mama is solid wool and does not have a pre-cut holethus making it suitable to hold any size smaller block ontop. At Grodan we take your suggestions seriously. Visit

    your local indoor gardeningshop or more in ormation.

    Grodan Introduces Big MamaThe HOMEbo Mini is the little sister o our large

    HOMEbo es, originally designed as a show bo orretail stores. Despite its small size o only 30 by 30 by 60

    centimetres, it matches its big sisters with regards to nishand the materials used.Both the inner material o our white classic series

    and the inner materialo our classic silverseries are used in theMini HOMEbo . Andnaturally the polesand connectors arethe same as or its bigsisters.

    Visit your indoor gardening

    retailer to learn more.

    Introducing the HOMEbox Mini

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    13/5213MAXIMUM YIELD UK - November / December 2009

    The Active Circulation System isthe latest invention rom GeneralHydroponics Europe, which allows you tokeep a central supply or several growing

    systems connected together,and automatically maintainsthe solution at the rightlevel.The Waterpack ACS

    is a small, practical,e cient and user-

    riendly hydroponicsystem, made o ourWaterFarms connectedto a central activereservoir.

    The new ACS Controller o ers a larger range o essentialcharacteristics: Circulates the nutritive solution in the whole

    system in less than 30 minutes, allowing or rapidhomogenization o the solution.

    Helps stabilize pH and EC levels, guaranteeing aconstant and optimized root environment.

    Practical, one small air compressor is enough to movethe fow in the whole system.

    Adaptable to all systems, including those of othermanu acturers and DIY systems.

    To learn more about the Waterpack ACS, visit your local

    grow shop.

    The Waterpack-ACS

    Hydro-Logic is pleasedto o er the new EcoGreen Drain Elbow orthe Merlin-Garden Pro.

    This green elbow replaces the e istingblack drain elbow and saves 25 per cent othe drain water. By orcing more untreatedwater through the RO membranes, less

    water goes to waste out the drain line. Recommended only

    or those with less than 250 PPM in their untreated tapwater. Any PPM reading above 250 may result in havingto change the membranes more o ten as they are workingharder removing contaminants. Others that may considerusing these green elbows are those on metered wells orthose wanting to conserve their water usage.This is a custom manu actured product o ered

    e clusively by Hydro-Logic Puri cation Systems.Continue producing the purest water or your plantsand amily and help the environment by saving preciouswater. Ask your local retailer or more in ormation. Purewaters not magic. Its logic.

    Merlin-Garden Pro goes Green

    http://www.hydrogarden.com/
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    PRODUCTspotlight ask for these exciting new products at your favourite indoor gardening store.

    Com ortably situated between ull-scale hydroponicsystems and entry-level soilless gardening kits, the BareBones Baby Bloomer is a surprisingly e ective option thatwill satis y the needs o serious indoor gardeners withoutintimidating those who are just getting their eet wet.It's comprised o basic, well-made hydroponics systemcomponents: a tray, a reservoir and the appropriate ttings.This simplicity allows gardeners to make their set-up asbasic or comple as they're com ortable with, and itscompact 78 by 35 by 30 centimetre total size allows themto grow with a bona de hydroponic system that doesn'ttake up a large amount o space. Look or Bare Bones BabyBloomer at your local grow shop today.

    Keep It Simple, Baby

    SubCulture is a bene cial mi o micro-organisms that will help increase the vitality and yield inall plants. It surrounds the roots with a protective barrier, and inhibits growth, propagation andthus survival o their predators. Whether in soil or hydroponics, our proprietary blend o bacteriaand ungi colonize the root zone and media to orm a symbiotic relationship with your plants.Root systems will increase, as well as nutrient absorption.Use it year round, but mainly in hot weather and high temperatures, as this is its best

    application. For more in ormation visit your local grow shop.

    Introducing Subculture from GHE

    Earth Juice Sugar Peak line o plant oods is a one part organic and mineral usionplant eed and booster or hydroponics, coir and soil growing.The built-in convenience o a single ormula is that it doesnt require any additional

    supplements or additives. Sugar Peaks liquid ormulations are easily adaptable to avariety o plant requirements and growing environments and are the ideal choice orthe hobbyist who demands premium results without the hassle and mess o mi ingmultiple ormulas. For indoor/outdoor plants, soil and hydroponics. The Earth JuiceSugar Peak line o plant oods includes: Lea Growth, Flowering, Grand Finaleand Bri imus Ma imus.Now available at hydroponic retail stores near you.

    Earth Juice Sugar Peak Line of Plant Foods

    Its back and its better! Future Harvest is e cited to bringto market our new and improved bucket system. Ournew bucket system has a large 60 litre reservoir, and newshorter bucket stands that require less room or height. Thenew system allows or drainage to be hooked up below orto the side o the buckets. Comes complete with everythingyou need to get growing. Contact your local hydro shop ormore in ormation.

    FHD Bucket System

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    15/5215MAXIMUM YIELD UK - November / December 2009

    Hydro-Logic has improved the popular Merlin-GardenPro pressure booster pump. The pump is needed when thepressure entering the Merlin-GP reverse osmosis lter is

    less than 40 PSI. By boosting the pressure to 65 PSI, thepump allows the Merlin-GP to fow aster and producemore water per day. We have upgraded the armaturecomponents to allow the pump to run or longer periodsbe ore it thermal cycles. The original pump had a thermalcycle switch, which protected the pump rom overheating.The pump would shut down or a short period o timewhen it got too hot rom continuously running. Now those

    run times have been e tendeddue to the upgraded parts. Wehave also added an e ternalheat sink to help pull heat

    away rom thepump. The heat nssnap directly ontothe pump andenable it to helpyou producethe purestwater possible.Contact your

    hydroponic retailer or more details.Pure waters not magic. Its logic.

    Merlin-Garden Pro Pump Gets Upgraded

    SteadyGRO has launched an eco- riendly line o soillessmedia slabs and blocks.SteadyGRO soilless media is available in seven by

    15 centimetre by 36 slabs encased in a reusable andrecyclable tray. The tray is pre punched with three 10 by10 centimetre squares to accommodate SteadyGRO blocks.The trays are white on the outside and black inside toprovide ideal growing conditions. The trays can be reusedand re lled with SteadyGRO slab media. The tray is alsomarked appropriately in ormation or ease o recycling.SteadyGRO blocks are wrapped with a bio wrap maderom recycled material. The wraps may be composted, and

    they easily biodegrade.The SteadyGRO soilless media is also designed or easy

    disposal. It may be incinerated without releasing harm ulto ins or it may be ground or crushed to less than 11 percent o its original volume.Go to an indoor gardening retail store to learn more about

    the entire line o SteadyGRO products.

    SteadyGRO Launches Eco-FriendlySlabs and Blocks

    http://www.hydrogarden.com/
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    16/5216 MAXIMUM YIELD UK - November / December 2009

    PRODUCTspotlight ask for these exciting new products at your favourite indoor gardening store.

    The O y-Gen generator outper orms previous methods o

    aeration, due to increased levels o saturation.Oxy-Gen o ers:

    more sunlight supplement with HID lighting food formulated high-quality nutrients CO 2 injection o CO2 gas, CO 2 generators climate control ventilation fans, air conditioners,

    humidi ers, de-humidi ers, heaters water lters, RO units

    Plants breathe o ygen through their roots. As thewater warms, o ygen levels decrease, making o ygensupplementation necessary. The O y-Gen alleviates thisproblem by raising o ygen levels. The results healthierwater, increased o ygen levels, increased ertilizer uptake,

    aster growing and larger producing plants. This is allaccomplished with one or less amps o electricity, innutrient tanks up to 1818 litres.

    For more complete in ormation aboutthis innovative new technology,

    please contact your local indoorgardening retail store.

    The Missing Link Oxy-Gen GeneratorNow Available

    The Uni-Slab combines all o the bene ts o ourtraditional slabs with the versatility o a block. With asize o 24 centimetres long by 20 centimetres wide by 10centimetres high, the Uni-Slab hasgreat stability or any size plant.The Uni-Slab is completelywrapped thus keeping allthe roots o your plant sa elycontained within the slab,

    protected rom light and outsidecontaminants. Yet its smallenough to be manoeuvrable,allowing your plants to be spacedas the plant canopy requires.Due to its height, the Uni-Slab is suitable or bothtop drip and foodsystems. The Uni-Slab is now availableat hydroponic retailshops.

    Grodan Introduces the Uni-Slab

    SteadyGRO has introduced a new line o sheet mediaor the indoor grower market. SteadyGRO soilless media

    was developed speci cally or the grower industry. Themedia is sterile and inert, and its composition allows ormore o ygen to seedlings and roots or aster starts andultimately healthier plants. SteadyGROs unique structureeliminates algae growth along the sur ace o the media.SteadyGRO sheet media comes in two types; SteadyGRO

    which is a low water retention media, and SteadyGRO H+, ahigh water retention media.SteadyGRO sheet media comes in packs o two and 20,

    and also is available in 276, 162, 104 and 50 cell ormats.SteadyGRO sheet media packaging has been engineered

    or easy and damage- ree removal o the individual sheets.For more in ormation on SteadyGRO sheets and the entire

    SteadyGro line, go to an indoor gardening retail store.

    SteadyGRO Introduces New Sheet Media

    http://thegreenhouseeffect.co.uk/
  • 8/3/2019 My Uk Novdec 09

    17/5217MAXIMUM YIELD UK - November / December 2009

    Continued on page 44

    Natures Solution Compost Teais lled with bene cial aerobicmicrobes and is now availablea ter our years o e tensive

    research. Our organicallyapproved compost tea comes ina "breathable" patent-pendingpackage that keeps theseorganisms alive and active in ano ygen-rich environment with aone year shel li e. There is a widerange o species and diversityo micro-organisms in our compost tea - bene cialbacteria, ungi, protozoa and bene cial nematodes. Theseorganisms are necessary to trans orm all organic nutrientsinto a plant-available orm and provide plant protection onlea sur aces and out compete pathogens in the soil. Othermanu acturers have isolated only a ew species which arecultured and put in a spore orm and are not active, butasleep. No chemicals are added. The pH is not lowered.The tea needs no re rigeration. It is not a put-to-sleep tea.Available now rom hydroponics retailers.

    Natures Solution Compost Tea

    kotau Easy Green GmbH is proud to announceAquaponics Grow Bed Media the most essentialhydroponic component or aquaponics systems. Great orgrowing all plants: vegetables, herbs, ruits and fowers).

    good plant and root support (sustains proper oxygenlevels around the root zone) higher plant growth and yield better water buffering/excellent drainage made from 100 per cent natural clay, and round and

    lightweight pH neutral/contains no nutrient, no toxic chemicals/

    compounds medium (used within the hydroponics grow beds) will

    act as a bio lter (stripping o ammonia, nitrates andphosphorus, hencethe reshly cleansedwater can then berecirculated backinto the sh tanks)

    is available in 50litre bags

    Commercial andhobby growers areencouraged to visittheir local indoorgardening store ormore in ormation.

    Introducing Aquaponics Grow Bed Media

    http://www.hydrogarden.com/
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    Water as a Substrate:Aeroponics and Aero-hydroponics

    by Noucetta Kehdi

    t r l r i

    15 r c i l r w ,

    r 85 r ci i r w r.

    When choosing a hydroponic system, one o theimportant actors to keep in mind is substrate.Today there is quite a wide variety o ered tothe soilless gardener. Among the most common

    are rockwool, clay pebbles, coconut fbre, severalpeat mixes, lava rock, perlite and vermiculite. O course it is important to choose the best adaptedto your growing method.But do you really need a substrate? In act, what

    does the substrate do? What is its action?There remains a misconception among growers

    that attributes substrate alone to the task o setting up the relations o air and water with theroot system o their plants. In reality the role o the substrate is about 15 per cent in the plantsgrowth, the other 85 per cent being in the handso the grower.

    18 MAXIMUM YIELD UK - November / December 2009

  • 8/3/2019 My Uk Novdec 09

    19/5219MAXIMUM YIELD UK - November / December 2009

    A m .

    I , m m ,

    , ,

    . B , , m , x

    , m .

    F , m : , m . I

    m - . I - . A

    , m - .S m m .

    S x q k ? C

    m m m?T - m

    . T x , q . N m

    ; m m m ; m ; m m .

    W i r ic w i r - y r ic ?H m m

    m? T

    m , q - .T q m. A

    m m k m m , m

    .A . I

    x , m . I m

    . B k m ,

    z m , x . T

    k x .A ,

    m mm , m , k q .

    A - . I m 80 C , L B k

    G H - m m m k . H EGS (E

    G S m), U D

    s r l w r, xy

    ri ly,r i c rr c ly

    y r l i i r r

    wi l l .

    http://www.hydrogarden.com/
  • 8/3/2019 My Uk Novdec 09

    20/5220 MAXIMUM YIELD UK - November / December 2009

    a w ll-c c ir - y r ic y

    r l c ii r c , r r

    r i w i r f w w r i

    i r c .

    C , x ,

    m m . T

    m , m m,

    x . T - m

    m k , m , m , x

    k - m . Y

    m m m z k

    .

    Water as a Substrate: Aeroponics and Aero-hydroponics

    , - j

    , .

    I , m

    O k

    m m m , m

    j ? N , . T

    m m

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    .

    O , ,

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    , q . S m m k

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    ,

    z m m m

    k m , m . T

    mm m - m

    I - x m :

    , j . I m

    , k . A -

    - m m m

    m ,

    m ( ,, ).

    B - . T

    EGS (Ein Gedi System)

    http://www.hydor.co.uk/
  • 8/3/2019 My Uk Novdec 09

    21/5221MAXIMUM YIELD UK - November / December 2009

    MY

    Find Noucetta Kehdis articles atwww.maximumyield.com under our

    author archive.

    q m x . S m m , k

    m m m q , m . A

    m .

    Y - ,

    . J m , m . A ,

    q , m z , m .

    A k B , I , , m M , m H F H . A

    m D , k m, q . L , A

    m m - m.M m

    . H k , m m z .H m -

    q , x . O x ,

    m . L m

    - .

    http://www.sunpulselamps.com/
  • 8/3/2019 My Uk Novdec 09

    22/5222 MAXIMUM YIELD UK - November / December 2009

    by Matt LeBannister

    T m z m . T

    k E C m . A m

    m I M mm I A .

    H m . T ,

    . M m m

    . B , m m m , m . T m

    m .

    Drying anD Preserving

    Herbs

    Basil

  • 8/3/2019 My Uk Novdec 09

    23/5223MAXIMUM YIELD UK - November / December 2009

    T m m m . T m m -

    . O , m mmm q . E q m . W m

    , m

    m : m .T m x

    . O k q k- m . T q m

    m m .

    Basil prepared or oven drying.

    T m m k . M k -. C

    m . P 65C. F 15 m .T ; -

    , - k . I , z , m km . F m , m

    . W m -

    , m q .

    T x q m

    . T m q , m -

    m m mm . A

    m . A k

    m . H

    "Ov n d ying you h m an th y will tain lof th i o iginal pot ncy than h d i d natu ally."

    http://www.smartpots.com/
  • 8/3/2019 My Uk Novdec 09

    24/5224 MAXIMUM YIELD UK - November / December 2009

    m m k . W , m . T -

    m m m , m . S m

    . I m k . H

    k x m . I m

    m m x . I mk , k .

    H , m k - . T m

    , . T q , , , k x k .

    N . T m

    , m , k ,

    m . D m m . H

    m k m. F mm x

    P m j . P

    m , .

    Drying and Preserving Herbs

    x . T m , m . N m

    . T . T

    k m , m k m

    m . T .

    T m q

    . A , m .

    D k m ,

    m .S m , m m

    - , z . I ,

    m . I m ,

    m 1.2 q m . L m m , k

    . O m m ,

    Oregano

    Winter savory

    Drying culinary herbs in thedark can preserve the taste

    and smells, whereas drying theherbs in direct sun can o ten

    alter the taste o some herbs.

  • 8/3/2019 My Uk Novdec 09

    25/5225MAXIMUM YIELD UK - November / December 2009

    Matt LeBannister has dozens o articles published withMaximum Yield. View them all online at

    www.maximumyield.com under our author archive.

    references:

    h ll w ll, m. m ici l h r ."m r e r n w , a ril/m y, 1992.

    Winter savory hanging to dry.

    q , - q

    q k , m .M

    m j . M j , k m .

    M k m j z .H m . H

    k , m . W k

    , m k

    .MY

    http://www.uvonair.com/
  • 8/3/2019 My Uk Novdec 09

    26/52

    http://www.eurohydro.com/
  • 8/3/2019 My Uk Novdec 09

    27/52

    http://www.eurohydro.com/
  • 8/3/2019 My Uk Novdec 09

    28/52

    by Bob Taylor: Chief Chemist for Flairform

    Dosing Proceduresfor Nutrientsand Additives

    28 MAXIMUM YIELD UK - November / December 2009

  • 8/3/2019 My Uk Novdec 09

    29/5229MAXIMUM YIELD UK - November / December 2009

    N m m m x m q . A m

    m ,

    m m .

    Step 1 .Volume o nutrient solution: A ,

    11 ( . . m ), m ( . . ).

    T m - m m m

    (EC) H. I , m EC x ,

    m . L m q -

    .

    Step 2.Dosage rates: T

    m m ( , x , ) -, . R m

    .

    Step 3.Add the majority o water be ore adding nutrients

    and additives: N m x

    m m .W - , k

    . W m x m ( ),

    m - (F 1 ).

    Step 4.Thoroughly stir the nutrient: A mm

    ( -). T m

    . I m x m H ( ),

    z H 5.0 6.5.

    http://www.organicairfilter.com/
  • 8/3/2019 My Uk Novdec 09

    30/52

    5

    6

    Figure 2A white precipitate orms whenthe separate 'parts' o a two orthree part are combined in toolittle water.

    C o p y r i g

    h t @ 2 0 0 8 w w w . f

    a i r o r m . c

    o m

    Copyright @2008 www.fair orm.com

    Dosing Procedures for Nutrients and Additives

    Step 5 .pH control: D H k

    m . Q k m x , mm k H j

    A H 6.5 mm .

    Step 6 .Maintaining nutrient concentration: (D

    - - m ). A mm m

    m m T

    x

    k . T , k . W ,

    (EC) . (C m )

    EC .

    NOTE: High salinity (salty) make-up water may cause EC to increase.

    Figure 1a and 1bThis is what can happen when an undiluted, high pH additive is addedto the working nutrient solution (see 1a). Unless pH is quickly correctedto below 6.0 - 6.5 the precipitate will remain (see 1b). A similar result canalso be e pected when other dosing techniques are not ollowed.

    1a 1b

    http://www.maximumyield.com/
  • 8/3/2019 My Uk Novdec 09

    31/5231MAXIMUM YIELD UK - November / December 2009

    7

    For an archive o Bob Taylor's articles visitwww.maximumyield.com

    Step 7. Further notes:

    + Beware o high pH additives: T q H

    ( , PK ) m j H 6.0 .T m -

    m . T , q k

    H 6.5. N : A ( m) m m -

    m . H , z m , -

    H mm - j (F 1 ).+ T : A m

    - m . I , ' ' 'B'

    x m , q ( . . P, K, S m - x ).

    Avoid roughly measuring outthe nutrient dose - always add the

    correct amount of each part.

    MY

    http://www.hydrohuts.com/
  • 8/3/2019 My Uk Novdec 09

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    A Precious Material for Plant Nutrition

    Seaweed has been harvested or ood, ertilizer and medicine orthousands o years. History books record that the Chinese usedseaweed or medicinal purposes as early as 3000 B.C. The Greeks orexample used seaweed as animal ood as early as the frst centuryB.C. One translated text written in 46 B.C states: "The Greekscollected seaweed rom the shore and having washed itin resh water, gave it to their cattle." TodayChina and Japan are the biggest consumers o seaweed worldwide, with China harvesting 500million tons a year or ood use alone.

    by Luis Bartolo

    32 MAXIMUM YIELD UK - November / December 2009

  • 8/3/2019 My Uk Novdec 09

    33/5233MAXIMUM YIELD UK - November / December 2009

    S m . I q

    .P z

    , q x

    . S mm m ,

    , m m k ,

    m m .

    But what is seaweed exactly?I ,

    , m m m m .

    S m m - : , .

    A mmm - , .I , m - m (C

    ) m m . "S " q m k m . B

    P , R C , . B ,

    m k 20 m , k, - k m m ,

    m 28 58 m . R m , m m

    m ; , . T m m , ,

    R . G m , m z .

    S k m . T m . T

    m m - , m m m m .

    http://www.phatfilter.com/
  • 8/3/2019 My Uk Novdec 09

    34/52

    Seaweed: A Precious Material for Plant Nutrit ion

    Chlorophyll:F x

    m , m x m

    x , m . R

    m m , m

    Microbes:S x

    , m m .

    T m m

    T x m

    R q m . T

    m mm m m k

    k . T

    k m , , , m , z

    m . T m , k

    m m m

    Nematodes:T m x m x m m . T

    m 'mm m (J2 ), m m z

    "Applied to plants that can cold acclimatizseaweed extract initiates or speeds up the

    acclimatization process even when the plannot subjected to a cold stress."

    Effect of SeaweedR q x

    - . A mm m

    , ,

    q . S m q

    m. S xm m m mm

    m. S k

    , q ,

    . T m , m

    . S . I m

    m m m . T

    .

    Immune system:A

    L A q R (LAR) , . T m m . A m ' m

    k - - k

    . A m ,

    z . T

    x , .

    34 MAXIMUM YIELD UK - November / December 2009

  • 8/3/2019 My Uk Novdec 09

    35/5235MAXIMUM YIELD UK - November / December 2009

    Frost:A m z ,

    m z j . T

    , m A q

    m m . B mm m

    : bene cial for the environment does not harm birds or any other animals increases root depth and branching forti es the plants natural defenses increases plants nutrient absorption capacities improves color/quality of vegetables, ornamentals or lawn breaks down large organic molecules into easier to absorb

    Learn more about natural nutritional alternativesincluding seaweed at www.maximumyield.com

    under our article archive.

    MY

    I N D O O R G A R D E N I N G

    M A G A Z I N E

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    Date Started:

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    q Cheque q Visa / Mastercard Expiry Date:

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    Le s s e c r e t s d u d i o x y d e d e c ar b o ne e n s e r r e

    m a x i m u m y i e l d .c o m

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    N U T R I E N T S O L U T I O N S U N D E R S T A N D I N G C A R B O N D I O X I D E I N T H E G R E E N H O U S E W h e r e O n e P lu s O n e E q u a l s T h r e e

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    by Kathy Anderson

  • 8/3/2019 My Uk Novdec 09

    37/5237MAXIMUM YIELD UK - November / December 2009

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    A tomato plant that is restrictedto producing on only two to our

    main stems will still produce plentyo ruit and the tomatoes will tend

    to grow larger than those on anunpruned plant.

    About the Author:Kathy Anderson has been an

    avid gardener or many years andhas grown tomatoes by the acre,

    along with many other vegetables,fowers and landscape plants. Kathyrecommends www.freeplants.comas a great place to learn more about

    gardening. Article provided byhttp://gardening-articles.com

    http://www.cannapk1314.com/
  • 8/3/2019 My Uk Novdec 09

    38/5238

    What is pH? Part IIby Grodan

    Monitoring pH in the slabM H

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    38 MAXIMUM YIELD UK - November / December 2009

  • 8/3/2019 My Uk Novdec 09

    39/5239MAXIMUM YIELD UK - November / December 2009

    For part I oWhat is pH? see ourSept/Oct issue or visit

    www.maximumyield.com

    This is usually the result o theplant being too vegetative. It hasnot been established i this willcost production but it may reduce

    ruit quality i it occurs at thewrong time o the year.

    E ect o the slab pH o the healthand productivity o the plant.

    pH 5.5 to 6.0 on average

    pH Below 4.5

    pH on average 6.0 or higher

    Optimum availability o nutrientsor the plant

    Root damage and as a result, cropdamage leading to poor qualityand yield. O ten seen when theplant changes rom a vegetativestate to a generative state.

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    http://www.cannazym.com/
  • 8/3/2019 My Uk Novdec 09

    40/52

    Little GrowersRoots are Spreading

    by Heather Pearl

    Children love to create; caring forplants, watering them and watchingthem grow instills confidence and

    sparks that creativity.

    40 MAXIMUM YIELD UK - November / December 2009

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  • 8/3/2019 My Uk Novdec 09

    41/5241MAXIMUM YIELD UK - November / December 2009

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    Faringdon Junior School have all hands on deck as theybegin their Little Growers project in their environmentalarea, planting and growing their own produce rom scratch.

    The older students at Hawthorn Primary are championingthe cause or Little Growers with their school banner.

  • 8/3/2019 My Uk Novdec 09

    42/52

    J : O m L G

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    Little Growers Roots are Spreading

    42 MAXIMUM YIELD UK - November / December 2009

    W m , m k ,

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    Little Growers toucheson areas that are close

    to peoples hearts.

    A d a ta b ase o f 2,000 sc h oo ls ha v

    e

    e x p re sse d a n i n te re s t

    i n g e t t i ng i n vo l ved

    w i t h L i t t le G ro we r s .

    Hawthorn Primary School childrenget stuck in planting their chosencrop varieties as they begin theirLittle Growers project at the starto the school year.

    These youngsters rom HawthornPrimary admire their newlyplanted tomato and pumpkinplants, eagerly anticipating their

    rst harvest o produce.

  • 8/3/2019 My Uk Novdec 09

    43/5243MAXIMUM YIELD UK - November / December 2009

    q z J - F 2010 M x m m Y .

    CHECK YOUR

    ANSWERS:

    growing I.Q.

    September - October 2009 quiz

    by Erik Biksa

    1) d, 2) converts starches rom roots to crop available sacharides, 3) a, b, c, d, 4) True, 5) b, 6) False,

    1. How are amino acids benefcial when incorporatedin nutrient ormulations?

    a) stabilize pH o solutionsb) replace conventional nutrients

    c) help to improve the availability o nutrientsd) none o the above

    2. Although most synthetic nutrients are highlyavailable or absorption, what is a signifcantadvantage to having multiple sources or any singlenutrient element?

    a) nutrient absorption is possible through a rangeo conditions; di erent nutrient sources per ormbetter in di erent soil chemistries

    b) there is no advantagec) alse statement: too many sources creates

    nutrient lock-upd) none o the above

    3. Why is EC a more universal measurement thanPPM (parts per million) with regards to measuringthe concentration o nutrient solutions?

    4. Green fltered light will minimize the interruptiono photoperiods i entering the growing area duringthe dark period.

    a) trueb) alse

    5. Which o the ollowing cultural practices may help

    to shorten internodal distances:a) arti cial lighting supplied higher in the blue

    spectrumb) maintaining equal day/night temperaturesc) avoiding ertilizers high in ammonium nitrated) all o the above

    6. In planting seeds as a rule o thumb, seeds shouldbe sown a the depth three times the diameter othe seed.

    a) trueb) alse

  • 8/3/2019 My Uk Novdec 09

    44/5244 MAXIMUM YIELD UK - November / December 2009

    PRODUCTspotlight ask for these exciting new products at your favourite indoor gardening store.

    Continued from page 17

    Nature's Solution Ancient Humate is a liquid that is takendirectly rom an ancient bog and then ltered. There areno chemicals used in the process. Each litre containsliquid humate, humic acid, yucca, soluble sea kelp, aminoacids derived rom sea kelp and compost e tract. This isa nutrient used to eed micro-organisms in your soil orsoilless growing systems. It is to be used in conjunctionwith Nature's Solution Compost Tea that contains the

    ull-spectrum o bene cial micro-organisms necessary totrans orm the organic nutrients in Ancient Humate into aplant available orm. The bene cialbacteria and ungi in the composttea retain the nutrients in AncientHumate, and then the protozoa

    and bacterial and ungal- eedingnematodes in the compost tea comealong and eat the bacteria and ungi.The nutrients are then released romthe protozoa and nematodes in aplant available orm. Available now

    rom hydroponics retailers.

    Nature's Solution Ancient Humate

    The HammerFuture Harvests PlantLi e Products division introduces

    the Hammer. The Hammer stops vertical growth and makesyour plants sturdy, lush and compact with strong stems andshort intervals between nodes. This product is ood gradeapproved and is sa e or human consumption. Made bygrowers or growers. Contact your local hydroponic shop

    or more in ormation.

    http://www.maximumyield.com/
  • 8/3/2019 My Uk Novdec 09

    45/5245MAXIMUM YIELD UK - November / December 2009

    Do you want to be included in the product spotlight?Contact the editor at 1-250-279-2677 or

    email [email protected]

    You can fnd all o our products online at www.maximumyield.com . Eachmonth your avourite new product profles will be eatured on our website.

    Get the latest in ormation on what will make your garden grow.

    MY

    Nature's Solution Mycorrhizae

    At last a Neem Oil Lea Shine that easilymi es with water and covers more evenlythan traditional neem oil products. Hydro-Organics NeemShine is available in a varietyo ormats. Ask or them rom your avouriteretail distributor.

    NeemShine New from Hydro-Organics

    Nature's Solution Mycorrhizae is a very ne, water-soluble powder. There are ve endomycorrhizae:Glomus intraradices, G. mosseae, G. aggregatum,G. etunicatum and also our ectomycorrhizae:Rhizopogon villosullus, R. luteolus, R. amylopogon,R. ulvigleba and Psolithus tinctorius. Mycorrhizaemust come into contact with a root sur ace within48 hours o putting the powder into the soil,soilless media or water or you have wasted yourmoney. I you have plants already in the groundor soilless media then you can dig holes at an angle through the roots, ll the holeswith pea gravel and put the mycorrhizae in with Nature's Solution Compost Tea andAncient Humate. I you are transplanting, do not use with any other rooting mi turesor gels; simply mi the mycorrhizae with the compost tea and dip the roots just be oretransplanting or sprinkle some into the planting hole. Mycorrhizae is available now

    rom your local indoor gardening retailer.

    Add the Divine Goodness of Grape to Your GardenBoost ruit favour and aroma while you increase yields with

    Botanicare Sweet, now available in a ormulation that allowsyou to add the delicious taste o grapes to whatever you grow!When used during the vegetative stage, its combination ocarbohydrates, organic acids and vitamins aid plants in making aneasy transition to the fowering stage. Continue using it throughthe ruiting stage to see your plants keep the correct balancebetween photosynthesis and respiration, leading to sturdystem growth to support a multitude o fowers and ruit! Ask orBotanicare Sweet Grape at your local grow shop.

    http://www.rhizotonic.com/
  • 8/3/2019 My Uk Novdec 09

    46/5246 MAXIMUM YIELD UK - November / December 2009

    YOU TELL US

    Maximum Yield (MY): Tell me a bit about Nutricultures start-up.

    Emma: N 1976. S m

    UK . W m J M x,

    m - q m . I J M

    m , , m .

    MY: What is your view o the importance o educationin our industry?

    Emma: O m m k . M k

    , m

    ; N . O j mm

    .

    Maximum Yields in-depth interview with Emma Louther-Wright of UK-based pioneers Nutriculture shedslight on active hydroponics, world

    record breaking tomatoes and puttingan educational foot forward.

    Nutricultures Ebb and Flood system, credited with growing the worlds

    longest tomato plant.

  • 8/3/2019 My Uk Novdec 09

    47/5247MAXIMUM YIELD UK - November / December 2009

    MY: How do you make hydroponicgrowing more enticing to newgrowers?

    Emma: A k m

    . T m m

    m . W