Table 1 Detail of treatments and nutrient inputs.
Treatment | Plant density (plant ha−1) | N forms (%) | Base fertilization (Kg ha−1) | Topdressing (Kg ha−1) | Total | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
N | P2O5 | K2O | N | P2O5 | K2O | N | P2O5 | K2O | |||
CK | 78,000 | – | – | – | – | – | – | – | – | – | – |
FP | 66,666 | 100 urea | 105 | 110 | 120 | 245 | – | – | 350 | 110 | 120 |
CF | 78,000 | 100 coated urea | 200 | 42.8 | 64.3 | – | – | – | 200 | 42.8 | 64.3 |
IF | 78,000 | 80 urea, 20 (NH4)2SO4 | 200 | 35.6 | 35.6 | – | – | – | 200 | 35.6 | 35.6 |
IF + UI | 78,000 | 80 urea, 20 (NH4)2SO4 | 200 | 35.6 | 35.6 | – | – | – | 200 | 35.6 | 35.6 |
IF + DI | 78,000 | 80 urea, 20 (NH4)2SO4 | 200 | 35.6 | 35.6 | – | – | – | 200 | 35.6 | 35.6 |
IF + MB | 78,000 | 80 urea, 20 (NH4)2SO4 | 200 | 35.6 | 35.6 | – | – | – | 200 | 35.6 | 35.6 |
IF + TE | 78,000 | 80 urea, 20 (NH4)2SO4 | 200 | 35.6 | 35.6 | – | – | – | 200 | 35.6 | 35.6 |
