Research Article
Multifunctional Superabsorbent Polymer under Residue Incorporation Increased Maize Productivity through Improving Sandy Soil Properties
Table 2
Irrigation water and fertilizer applications during the maize growing season.
| | Growth stage | Irrigation date | Irrigation frequency | Irrigation amount (m3 ha-1) | Topdressing amount
(kg ha-1) | | Urea | Potassium sulfate |
| | Sowing (0 DAS) | Late April | 1 | 120 | 0 | 0 | | Seedling (25 DAS) | Middle May | 1 | 150 | 60 | 0 | Jointing
(50–75 DAS) | Early June | 1 | 225 | 75 | 0 | | Middle June | 1 | 200 | 75 | 0 | | Late June | 1 | 205 | 75 | 75 | Tasseling
(75–100 DAS) | Early July | 1 | 375 | 75 | 0 | | Middle July | 1 | 225 | 75 | 45 | | Late July | 1 | 150 | 100 | 0 | Filling
(100–125 DAS) | Early August | 1 | 300 | 100 | 45 | | Middle August | 1 | 125 | 100 | 0 | | Late August | 1 | 100 | 45 | 0 | Maturity
(125–150 DAS) | Early September | 1 | 225 | 0 | 0 | | Total | 12 | 2400 | 780 | 165 |
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