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Cotton
Nitrogen Fertilizer Calculator
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Enter requested data in tan boxes
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Analyses for all data
boxes can be preformed by the Texas A&M University Soil, Water and Forage
Testing Laboratory
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Yield goal (bales/acre)
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Adjusted N
recommendation
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lbs N/acre
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Soil Test Nitrate-N (ppm)
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0-6" sampling depth
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Profile Nitrate Data
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Enter data for only one depth below
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6-12" sampling depth
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6-18" sampling depth
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6-24" sampling depth
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Irrigation Nitrate-N
credits
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Leave blank for dryland cotton systems
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ppm Nitrate-N
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Planned inches/acre to be applied
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Manure N application
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Leave blank if no applications are planned
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% N in manure
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Application rate (dry tons)
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Calculated at
40% annual availability
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Effluent N application
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Leave blank if no applications are planned
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% N in effluent
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Application rate (acre inches)
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Calculated at
50% annual availability
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Additional
information can be located at:
soiltesting.tamu.edu,
soilcrop.tamu.edu,
cotton.tamu.edu,
varietytesting.tamu.edu
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