- Download Nitrogen Loss Assessment Tool (N-LAT) for Nebraska is used for corn and soybean production to estimate average nitrogen (N) loss over several years to leaching, volatilization, denitrification, and nitrous oxide emission for specific field management situations. The effects of alternative management practices can be assessed. N-LAT is not intended for short-term, in-season management decisions. Background Information and Users Guide for N-LAT (NebGuide G2249) provides the basis and procedure for using this Excel spreadsheet.
- Uganda Fertilizer Optimizer - intended to maximize net returns on investment in fertilizer for finance constrained crop production through an optimized selection of crop-nutrient-rate combinations. It considers 15 crop-nutrient response functions including functions for maize, sorghum, rice, dry bean, peanut, and soybean. NEW
*requires Excel 2007 or later. - Hybrid-Maize Model – A computer program for simulating corn growth and yield
- Corn Nitrogen Recommendations Calculator
- Winter Wheat Fertilizer Calculator – Use these calculators in conjunction with Extension Circular EC 143 (PDF 889 KB, 10 pages)
- 2012 Nebraska P-Index (.xls) – Instructions: Nebraska PI Documentation (*.pdf) and Troubleshooting Guide (*.pdf)
- The Value of Manure – A simple calculator (*.xlsx) for calculating the value of manure. Corresponds with the NebGuide G1519: Calculating the Value of Manure for Crop Production (*.pdf)
- Whole Farm Nutrient Balance (.xls) Instructions: Estimating a Whole Farm Nutrient Balance EC189 (*.pdf )
- Nutrient Inventory (.xls) Instructions:Manure Nutrient and Land Requirement Estimator EC190 (*.pdf)