Table 2.
The details of fertilization in maize field from 2014 to 2018
| Year | Date | (NH4)2HPO4 (kg hm−1) | Urea (kg hm−1) | Compound fertilizer (kg hm−1) |
|---|---|---|---|---|
| 2014 | 10-Apr (base fertilizer) | 275.00 | 42.00 | |
| 8-Jun | 150.00 | |||
| 5-Jul | 120.00 | |||
| 2015 | 12-Apr (base fertilizer) | 262.50 | 37.50 | |
| 30-May | 63.00 | 9.00 | ||
| 11-Jun | 78.75 | 11.25 | ||
| 25-Jun | 168.00 | 24.00 | ||
| 9-Jul | 126.00 | 18.00 | ||
| 27-Jul | 105.00 | 15.00 | ||
| 2016 | 5-Apr (base fertilizer) | 300.00 | 225.00 | |
| 27-Jun | 300.00 | |||
| 15-Jul | 150.00 | |||
| 2017 | 26-Mar (base fertilizer) | 375.00 | 375.00 | |
| 15-Jun | 270.00 | |||
| 30-Jun | 180.00 | |||
| 2018 | 26-Mar (base fertilizer) | 375.00 | 375.00 | |
| 7-Jun | 225.00 | |||
| 18-Jun | 150.00 | |||
| 30-Jun | 75.00 |