 |
ProCrop |
Nutrient Recommendations for Potato
Soil Test Phosphorus, ppm
| Soil N plus | VL | L | M | H | VH | ||
| Yield | fertilizer | Bray-1 | 0-5 | 6-10 | 11-15 | 16-20 | 21+ |
| goal | N required | Olsen | 0-3 | 4-7 | 8-11 | 12-15 | 16+ |
| cwt/a | lb/acre-2' | lb P2O5/acre | lb P2O5/acre | lb P2O5/acre | lb P2O5/acre | lb P2O5/acre | |
| 200 | 80 | 90 | 65 | 40 | 10 | 0 | |
| 300 | 120 | 135 | 95 | 55 | 15 | 0 | |
| 400 | 160 | 180 | 125 | 75 | 25 | 0 | |
| 500 | 200 | 225 | 155 | 95 | 30 | 0 |
Soil Test Potassium, ppm
| Soil N plus | VL | L | M | H | VH | ||
| Yield | fertilizer | Bray-1 | 0-40 | 41-80 | 81-120 | 121-160 | 161+ |
| goal | N required | Olsen | |||||
| cwt/a | lb/acre-2' | lb K2O/acre | lb K2O/acre | lb K2O/acre | lb K2O/acre | lb K2O/acre | |
| 200 | 80 | 150 | 105 | 65 | 20 | 0 | |
| 300 | 120 | 225 | 160 | 95 | 30 | 0 | |
| 400 | 160 | 300 | 210 | 125 | 40 | 0 | |
| 500 | 200 | 375 | 265 | 155 | 50 | 0 |
Nitrogen recommendation = 0.4 YG-STN-SDA-PCC
Bray-I P recommendation = (0.500-0.024 STP)YG
Olsen P recommendation = (0.500-0.034 STP)YG
Potassium recommendation = (0.8500-0.0057 STK)YG
Back to
Recommendations - Fertilizer Menu
Back to Fertilizer Menu
Back to Main ProCrop Index
