Cover crops 101
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Transcript of Cover crops 101
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SWCS 2014
COVER CROPS 101
SEEDINGMETHODS&CRITERIAFORMAKINGTHEBESTSEEDINGDECISION
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING TECHNIQUES
FACTORSDICTATINGtheSEEDINGMETHOD
• Goalcandictatethetypeofseedingmethodused
• CalendarhasaHUGErole• Typeofseedbeingplanted(seedsize)• Weather
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
![Page 4: Cover crops 101](https://reader034.fdocuments.net/reader034/viewer/2022042623/54743b92b4af9fb40a8b5705/html5/thumbnails/4.jpg)
2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING METHODS
• Drill/Planterbehindtractor– Ensuresthebestseed‐to‐soilcontactandidealenvironmentforthequickestgermination.
– Allowsforpreciseseedingbychangingseedplatesandplanterequipment,aswellaspermittingchangesfromrowtorow.
– Notanoptionuntilthestandingcrophasbeenremovedorharvested.
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
• Usinginsecticideboxes‐ Justlikegranularinsecticides,many
small‐seededcovercropscanbemetereddirectlyin‐furroworbandedjustinfrontofpresswheel
‐ Settingthedoublediskopenersabout½”to¾”deep&placingseedin‐furrowwillgivebestseed‐to‐soilcontact
– Herbicidescanbesprayedovertherowforsodsuppressionatthesametimetheseedisplanted
SEEDING METHODS
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING METHODS
• SeedermountedonTillageTool– Becomingmorewidespreadaspracticeallowslighttillageandseedinginonepass
– Seedspreadusingthismethodwillbelightlyincorporated,increasingseed‐to‐soilcontact
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING METHODS
• BroadcastApplication– Verycommonpractice
• Spreadwithfertilizerbyretailer• ATVseeder
– Challengewiththismethodisensuringapplicationratesareevenandthatseedisspreadevenlyacrossthewidthofthepattern
– Largerseededcropsmayneedmoreseedtosoilcontact
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING METHODS
• AerialSeeding– Aerialapplicationneededforimprovedtimingofseeding– Crucialforcovercropslikeradishorturnipswhereconventionalseedingmaynotbeallowedduetodelayedharvestoffieldcrop
– Moistureisimperativetomakeupforlackofadequateseedtosoilcontact
– Allowsforseedingintostandingfieldcrops
• Corn(> 50%lightpenetrationtogroundneeded)• Soybeans(after10%ofleaveshavedropped)
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
Aligning the stars…
Corn Maturity
Days Until First Frost
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
Aligning the stars…
Corn Maturity
Days Until First Frost
Ideal Planting Window
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING METHODS
• DryApplicatorintostandingrowcrop– Gainingtractionasitallowsforearlierapplications
– Seedisforcedorblowndownin‐betweentherowtothesoilsurfaceusingairpressure
– Advantageoveraerialseedingsisthattheseedispusheddowntosurface,versus%oftheseedbeingheldupinthecropcanopy.
– Sometimesnotconsideredduetoconcernsofdrivingoverthestandingrowcrop
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING METHODS
• SeedingwithManureSpreader– Combinefunctionstoreducetrips– Startabsorbingnutrientsquickly
– Feweropportunitiesforsoilcompaction
– Ideallyusedwhenseedingcovercropsthatworkwithnutrientsequester
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2014 La Crosse Seed – Soil First™ Premium Cover Crop Seedwww.laxseed.com
SEEDING METHODS
• CombineHead‐MountedSeeder– Becomingmorepopularasiteliminatesanextrapassthroughthefield,savinglaborandwheeltraffic
– Usesairpressuretopushtheseeddownthroughtubesandspreadsthecovercropseedoutunderthecombineheadusingadiffuser
– Challengewiththismethodisthattheseedisleftonthesoilsurfaceandwilleitherneedmoistureoralighttillagepasstoensureseed‐to‐soilcontact.
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