Addressing Soil Variability using air seeders

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Presentation transcript:

Addressing Soil Variability using air seeders Jeff Biggerstaff

Introduction How to determine soil variability How an air seeder works How to use an air seeder for variable rate application Advantages of addressing variability

How to determine variability Yield Maps Optical Sensors (i.e. Greenseeker) Treatment Trials (N-Rich Strip) Soil Sampling

How an air seeder works Fan blows seed dropped by air cart to the seeder Meter rollers drop seeds into seed tubes to be blown to seeder Ground drive and transmission adjust the rate of meter roller

How an air seeder works

How to use an air seeder to do variable rate applications

Advantages/Disadvantages Prevents over applying inputs in areas which do not need them. Can be used to treat problem spots in fields to increase yields Potentially addresses future problems associated with input efficiency Expensive start up

Questions?