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NACHURSK-flex

Potassium and sulfur fertilizer with application flexibility

powered by NACHURS® Bio-K®

visit us online: w w w. n a c h u r s . c o m / b i o - k or call: 800.622.4877 x 255

© 2018. NACHURS ALPINE SOLUTIONS. All rights reserved. v8.1

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Contact us today to learn about how to

maximize yield and increase profitability

with the best liquid fertilizer technologies

on the market

What ifyour crops

communicate?could

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ELEV

ATE Y

OUR K

They would ask for NACHURS K-flex®

• Powered by NACHURS® Bio-K® technology

• Offers versatility with multiple application options

• Compatible with 10-34-0, UAN, and liquid urea

• Offers applications of K & S during critical growth stages

• Maximizes yield potential

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THE PRODUCT

THE TECHNOLOGY THE SCIENCE

potassium sulfur

There is a need for additional potassium in most fertility programs due to low soil test levels caused by higher crop yields that are removing more potassium than is being replaced. NACHURS K-flex® fertilizer is designed to be blended with various fertilizer products to provide additional potassium and sulfur needed to promote high yielding crops. It can be mixed with APP (i.e. 10-34-0), UAN solutions and liquid urea solutions to build more balanced treatments and address known deficiencies.

NACHURS K-flex® fertilizer added to APP creates a more balanced starter blend that can be used as a foundation for planting in cold soils, especially in minimum or no-till environments. It can be blended with UAN solutions to create a strip-till/sidedress fertilizer that provides extra potassium and sulfur at a time when uptake of these nutrients is rapidly increasing. NACHURS K-flex® fertilizer can also be blended with liquid urea to make an effective foliar fertilizer for forage crops and small grains. NACHURS K-flex® gives growers the flexibility they need to help achieve maximum yield potential.

enhancing treatment (planter applied) strip-till/side-dress foliar

General Rates:Blend 1 gal/ac NACHURS K-flex® with:

• 4 gal/ac 10-34-0 (starter)• 3 gal/ac 11-37-0 (starter)• 8 gal/ac 28% UAN (strip-till/sidedress)• 10 gal/ac 32% UAN (strip-till/sidedress)• 2 gal/ac 21-0-0 Urea Solution (foliar)

NACHURS® Bio-K® is a premium source of potassium fertilizer combined with a natural plant metabolite creating the most effective and efficient source of potassium. Using

Bio-K® technology results in quicker germination, improved root development, and an elevated abiotic stress tolerance; this leads to better plant establishment, more vigorous growth, and higher yields.

FEATURES:

Acetate is a natural organic acid and plant metabolite Two influencers (potassium fertility and biostimulant) in a single product Very low salt index Excellent compatibility with other fertilizers

BENEFITS:

Recognized by plants as a natural form of potassium playing an important function within the plant, forming many compounds necessary for increased productivity

The preferred source of potassium for plant uptake due to the acetate carrier molecule – more efficient and readily absorbed by the plant

Plant and seed safe – will not burn at recommended rates Blending and tank mixing flexibility

What makes Bio-K® unique is in the origination of its organic-based carrier (anion), the acetate molecule. Acetate is a natural plant metabolite that has many important functions within the plant as well as in the symbiotic relationship of plant roots, soil microbes, and mycorrhizal fungi.

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2015 Texas A&M AgriLife Extension – Lubbock, TXSoil microbial biomass carbon (SMBC) study*

2015 Texas A&M AgriLife Extension – Lubbock, TXSoil microbial biomass carbon (SMBC) study*

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20

40

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100

120

140

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Rhyzo-Link LF (mg/kg of soil)

KOHK2CO3DI H2OBio-K

P<.0001*Application rate: 4 gal a.i./acre (93.5% K-salt + 6.5% PGPR) = 1.5 ul a.i./90 g soil

*Soil Preparation and Inoculation:A 90 g aliquot of soil will be weighed in 100 ml beaker and then placed in a 1 L glass jar. The jar will then be autoclaved for 3 hours on two consecutive days in order to sterilize the soil. A 50 ml solution will be prepared for each treatment as follows: 93.5% K-salt (46.75 ml) plus 6.5% PGPR (3.25 ml). Solutions will be prepared two days prior to inoculating soil. Treatments (1.5 ul aliquot) will then be added to soil with sufficient carrier (28 ml DI H2O) to bring the soil moisture to approximately 50% water filled pore space. Approximately 10 ml DI H2O will be added to the bottom of the jar and lids sealed tightly so that soil moisture is maintained during incubation. The 72 microcosms will be placed in a temperature controlled incubator at 30°C. Microcosms will be removed from the incubator 7d after treatment initiation and prepared for fumigation and extraction with 0.5 M K2SO4. The 90 g soil sample will be divided equally into three 30 g subsamples and each placed in 50 ml beakers. Two of the samples will be fumigated and third will not (non-fumigated samples). Samples to be fumigated will be put into a vacuum dessicator along with 50 ml beaker containing ethanol-free chloroform (20 ml) and boiling chips. The dessicator will be evacuated and vented six times, but on the sixth cycle it will not be vented. After three days, the vacuum will be released and the chloroform removed.

2015 Texas A&M AgriLife Extension – Lubbock, TXSoil microbial biomass carbon (SMBC) study*

0

20

40

60

80

100

120

140

160

180

200

Rhyzo-Link LF (mg/kg of soil)

KOHK2CO3DI H2OBio-K

P<.0001*Application rate: 4 gal a.i./acre (93.5% K-salt + 6.5% PGPR) = 1.5 ul a.i./90 g soil

*Soil Preparation and Inoculation:A 90 g aliquot of soil will be weighed in 100 ml beaker and then placed in a 1 L glass jar. The jar will then be autoclaved for 3 hours on two consecutive days in order to sterilize the soil. A 50 ml solution will be prepared for each treatment as follows: 93.5% K-salt (46.75 ml) plus 6.5% PGPR (3.25 ml). Solutions will be prepared two days prior to inoculating soil. Treatments (1.5 ul aliquot) will then be added to soil with sufficient carrier (28 ml DI H2O) to bring the soil moisture to approximately 50% water filled pore space. Approximately 10 ml DI H2O will be added to the bottom of the jar and lids sealed tightly so that soil moisture is maintained during incubation. The 72 microcosms will be placed in a temperature controlled incubator at 30°C. Microcosms will be removed from the incubator 7d after treatment initiation and prepared for fumigation and extraction with 0.5 M K2SO4. The 90 g soil sample will be divided equally into three 30 g subsamples and each placed in 50 ml beakers. Two of the samples will be fumigated and third will not (non-fumigated samples). Samples to be fumigated will be put into a vacuum dessicator along with 50 ml beaker containing ethanol-free chloroform (20 ml) and boiling chips. The dessicator will be evacuated and vented six times, but on the sixth cycle it will not be vented. After three days, the vacuum will be released and the chloroform removed.

2015 Texas A&M AgriLife Extension – Lubbock, TXSoil microbial biomass carbon (SMBC) study*

0

20

40

60

80

100

120

140

160

180

200

Rhyzo-Link LF (mg/kg of soil)

KOHK2CO3DI H2OBio-K

P<.0001*Application rate: 4 gal a.i./acre (93.5% K-salt + 6.5% PGPR) = 1.5 ul a.i./90 g soil

*Soil Preparation and Inoculation:A 90 g aliquot of soil will be weighed in 100 ml beaker and then placed in a 1 L glass jar. The jar will then be autoclaved for 3 hours on two consecutive days in order to sterilize the soil. A 50 ml solution will be prepared for each treatment as follows: 93.5% K-salt (46.75 ml) plus 6.5% PGPR (3.25 ml). Solutions will be prepared two days prior to inoculating soil. Treatments (1.5 ul aliquot) will then be added to soil with sufficient carrier (28 ml DI H2O) to bring the soil moisture to approximately 50% water filled pore space. Approximately 10 ml DI H2O will be added to the bottom of the jar and lids sealed tightly so that soil moisture is maintained during incubation. The 72 microcosms will be placed in a temperature controlled incubator at 30°C. Microcosms will be removed from the incubator 7d after treatment initiation and prepared for fumigation and extraction with 0.5 M K2SO4. The 90 g soil sample will be divided equally into three 30 g subsamples and each placed in 50 ml beakers. Two of the samples will be fumigated and third will not (non-fumigated samples). Samples to be fumigated will be put into a vacuum dessicator along with 50 ml beaker containing ethanol-free chloroform (20 ml) and boiling chips. The dessicator will be evacuated and vented six times, but on the sixth cycle it will not be vented. After three days, the vacuum will be released and the chloroform removed.

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Rhyzo-Link® LF (Mg/kg of soil)

*Application rate: 4 gal a.i./acre (93.5% K-salt + 6.5% PGPR) = 1.5 ul a.i./90 g soil

Foliar absorption of potassium after 48 hoursfrom organic and inorganic K carriers

w w w . n a c h u r s . c o m

Foliar absorption of potassium after 48 hours from organic and inorganic K carriers

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Acetate Citrate Thiosulfate Chloride Sulfate Sulfite Nitrate

% K absorption, Soybean leaves

% K absorption

Journal of Plant Nutrition, 9(2), 143-157 (1986)

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Journal of Plant Nutrition, 9(2), 143-157 (1986)

It’s not so much about the use of potassium (as we agree it is an important farming practice), but rather the use of an efficient, available, and soluble potassium source to drive nutrient stewardship, sustainability, and yield.

*Contact a NACHURS representative for specific recommendations. It is always recommended that a jar test be done when adding to other

fertilizer or chemicals. Always read and follow the pesticide labels when considering tank mixing pesticides with fertilizer products.

THE RESEARCH2015-17 Third Party Corn Trial Summary

Real Farm Research - Nebraska