Field Description: ________________________________________________________
Soil type: ______________________ SCS leaching potential
ranking: _______________
Previous crop: __________________ SCS runoff potential
ranking: ________________
Yield: ____________________ Soil tested: ___________________________________
Manure tested: ____________________ Water tested: __________________________ |
| Crop Year: ______________ Crop and variety: ________________________________ |
1. Expected yield: ______________________________________________________
2. Total N needed to achieve expected yield: ____________________________
lb N/A
(expected crop uptake/efficiency factor)
3. Residual soil NO3: _____________________________________________
lb N/A
4. Irrigation water NO3 - N credit: ___________________________________
lb N/A
(ppm NO3 - N x AF of effective
2.7 x irrigation water = lb N/A)
5. Soil organic matter credit (credit 30 lb N per % OM):
__________________ lb N/A
6. Manure credit: ________________________________________________
lb N/A
(credit minimum of 10 lb N/ton
applied manure if analysis not performed)
7. Nitrogen available from previous manure applications:
___________________ lb N/A
8. Nitrogen available from previous legume crop: ________________________
lb N/A
9. Total N available to crops (sum of lines 3, 4, 5, 6, 7, and
8): ______________ lb N/A
10. Nitrogen fertilizer requirement: ____________________________________
lb N/A |
Fertilizer N applied: ______________ lb/A
Manure N applied: ______________ lb/A
Application dates and amounts: ____________________________________________
Form of N used: _______________________________________________________
Actual crop yield: ______________ bu/A Total irrigation
water applied: ____________ |
Notes:
|
