Fertilizer Application Tools

WSU Post Harvest Nitrogen Efficiency Calculator

For more information WSU EB1987E

* denotes required input fields

Grower:			Crop: *	Select type of crop DNS wheat Hard red winter wheat Hard white spring wheat Hard white winter wheat Soft white spring wheat Soft white winter wheat		Assisted by:
Tract:			Field size:	acres		Field Description:
Date:			Soil type:

Input the following to calculate the post harvest efficiency:

Yield: *	bu/ac
Protein: *	%
Net soil nitrogen supply: *	lb/ac  Select net soil nitrogen supply from (from soil test report) (from nitrogen fertilizer calculation)
Nitrogen applied: *	lb/ac

Funded through award #2011-68002-30191 from the USDA National Institute of Food and Agriculture