Addressing Soil Variability using air seeders
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Transcript of Addressing Soil Variability using air seeders
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?