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Liquid SystemsVariable Rate Fertilization System
Matt Terry
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What is the Best Option for VR? Variable rate is efficient Liquid System’s goal is to be as
precise as possible More precise with liquids Liquids are the easier to control In-furrow is most efficient fertilization
system
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What is it?
In-Furrow liquid injection system Fertilizer, Trace Elements, Pesticide, ect.
Pump is built to change rates quickly Computer controlled
Green Star, Ag Leader, Trimble
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Set-Up
Pump and Control Module attached to air cart or Planter
Pumps liquid from tank to nozzle Computer will control rate of spray
based on GPS position
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Additional Equipment
Additional Pumps Stacker Openers Section Control Spiker Additional tanks
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Disadvantages
High set-up cost System plus multiple attachments,
equipment, soil test Have to change application timing
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Summary
Effective and efficient system Has made producers more profitable Step toward the future