Factor | Inorganic | Organic |
---|---|---|
Fertilizer use | Inorganic fertilizer | Organic certified fertilizer |
Soil amendments | Gypsum | Organic certified gypsum |
Insecticide use | Insecticide | OMRI listed insecticide |
Herbicide use | Pre-emergent herbicide, herbicide during cultivation (two times) | Hand-weeding (three times) |
Fungicide use | Fungicide | OMRI listed fungicide |
Soil Components | ||
P | 146.93a | 119.82b |
K | 16.87 | 13.38 |
NH4N | 0.76a | 0.53b |
NO3N | 1.07 | 0.88 |
TKN | 261.21 | 232.6 |
pH | 6.61 | 6.64 |