Table 2 Irrigation and fertilization in different periods from 2015 to 2021.
Treatment | Irrigation and fertilization/period | Seedling stage | Jointing stage | Small bell-mouth stage | Big bell-mouth stage | Heading stage | Flowering stage | Silking stage | Grain formation stage | Milk-ripe stage | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|
DI | Irrigation quantity (mm) | 16.4 | 69.1 | 69.1 | 69.1 | 69.1 | 69.1 | 69.1 | 65.5 | 43.5 | 540.0 |
Urea (kg hm−2) | 0.0 | 81.8 | 81.8 | 90.9 | 81.8 | 81.8 | 72.7 | 54.5 | 0.0 | 545.3 | |
Monoammonium phosphate (kg hm−2) | 36.4 | 36.4 | 45.5 | 45.5 | 45.5 | 27.3 | 18.2 | 18.2 | 0.0 | 273.0 | |
Potassium sulphate (kg hm−2) | 0.0 | 18.2 | 27.3 | 27.3 | 36.4 | 22.7 | 18.2 | 13.6 | 0.0 | 163.7 | |
BI | Irrigation quantity (mm) | – | 184.8 | 184.8 | 184.8 | 165.6 | 720.0 | ||||
Urea (kg hm−2) | – | 163.6 | 172.7 | 154.5 | 54.5 | 545.3 | |||||
Monoammonium phosphate (kg hm−2) | – | 81.8 | 90.9 | 45.5 | 18.4 | 273.0 | |||||
Potassium sulphate (kg hm−2) | – | 45.5 | 63.6 | 40.9 | 13.7 | 163.7 | |||||
