播期 类型 | 播期 (月/日) | 基本苗 (万) | 田 间 成苗率 (%) | 播种量 中间值 (kg/亩) | 主茎穗 比重 (%) | 适宜 穗数 (万) |
早播 | 10/16-10/20 | 8-10 | 90%-100% | 4 | 30% | 30.0 |
适期早播 | 10/21-10/25 | 10-14 | 90%-95% | 5 | 40% | 30.0 |
适期播种 | 10/26-11/05 | 14-18 | 85%-90% | 8 | 50% | 32.0 |
适期晚播 | 11/06-11/10 | 18-20 | 80%-85% | 10 | 55% | 34.5 |
偏晚 | 11/11-11/15 | 20-23 | 75%-80% | 12 | 60% | 35.8 |
晚播 | 11/16-11/20 | 23-26 | 70%-75% | 14 | 70% | 35.0 |
迟晚 | 11/21-11/25 | 26-30 | 65%-70% | 18 | 80% | 35.0 |
过晚 | 11/26-12/05 | 30-35 | 60%-65% | 22 | 90% | 36.1 |
播期 类型 | 播期 (月/日) | 目标 产量 kg | 基本苗 (万) | 播种量 (kg) | 氮肥运筹,kg | 磷钾运筹,kg | |||
纯N | 基:苗:拔:孕 | P2O5 | K2O | 基:拔 | |||||
早播 | 10/16-10/20 | 550 | 8-10 | 4 | 18-20 | 3:2:3:2 | 8 | 8 | 5:5 |
适期早播 | 10/21-10/25 | 550 | 10-14 | 5 | 17-18 | 3:2:3:2 | 8 | 8 | 5:5 |
适期播种 | 10/26-11/05 | 500 | 14-18 | 8 | 16-17 | 3:3:3:1 | 7 | 7 | 5:5 |
适期晚播 | 11/06-11/10 | 475 | 18-20 | 10 | 15-16 | 3:3:4:0 | 7 | 7 | 5:5 |
偏晚 | 11/11-11/15 | 425 | 20-23 | 12 | 14-15 | 3:3:4:0 | 6 | 7 | 5:5 |
晚播 | 11/16-11/20 | 400 | 23-26 | 14 | 12-14 | 4:2:4:0 | 6 | 7 | 5:5 |
迟晚 | 11/21-11/25 | 375 | 26-30 | 18 | 11-12 | 5:0:5:0 | 5 | 7 | 4:6 |
过晚 | 11/26-12/05 | 350 | 30-35 | 22 | 10-11 | 4:0:6:0 | 5 | 7 | 4:6 |
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