贡河灌区规划设计书Word文档下载推荐.docx

1、早稻1028151010881晚稻8232010111082早稻7242422149100数（%）晚稻626272597100田间渗漏量早稻1.51.51.51.51.51.51.5（mm/d）晚稻1.51.51.51.51.51.51.5水面蒸发量早稻32.6102.848.431.158.437310.3E0（mm）晚稻56.1158.358.828.42821.7351.3阶段需水系早稻0.000.000.000.000.000.001.2数 晚稻0.180.520.190.090.090.071.15阶段需水量早稻26.0789.3789.3781.9252.1333.51372.36

2、（mm）晚稻24.24105.04109.0810136.3628.28404阶段渗漏量早稻154222.5151512121.5（mm）晚稻1234.5301516.515123阶段耗水量早稻41.07131.37111.8796.9267.1345.51493.86（mm）晚稻36.24139.54139.08116.0052.8643.28527.00逐日耗水量早稻4.114.697.469.696.715.696.10（mm）晚稻4.536.076.9511.604.814.336.433. 早稻生育期灌溉制度计算表表 2.2 早稻生育期灌溉制度计算表Table2.2 The calc

3、ulation table of irrigation scheme of early rice during the growth period早稻全生育期田间水层变化 H 末=H 始+P+I-WC-DH 始=20mm日期生育期田间适宜逐日逐日降雨田间水层灌水量排水量水层深耗水量（mm）变化（mm）月日（mm）量（mm）（mm）42420.0续表 2.2 早稻生育期灌溉制度计算表Continued Table2.2 The calculation table of irrigation scheme of early rice during the growth period月日2526田间

4、适宜水层深（mm）逐日耗水量（mm）逐日降雨量（mm）1.40.2田间水层变化17.313.4返青期10-30-504.1227280.329.62025.52921.43017.3510.613.8223.733.4329.3425.251.522.0617.3712.6833.441.3936.61031.91127.21222.51317.81413.1150.839.23016分蘖10-40-604.717.942.4171552.7186.354.31949.62044.92140.22235.52340.36011.12455.3256.156.7264.456.42716.860

5、8.555.32950.630-4.731-9.461-14.1续表 2.2 早稻生育期灌溉制度计算表23420.238.430.943.6（mm） 60534.475.23.470.5763.4858.99孕穗20-50-807.551.61044.11136.6126.229.11327.81420.31542.81635.31748.1181956804.702057.147.4210.2221.562.32352.62442.933.21.625.118.411.735.0乳熟10-40-606.728.321.63.918.812.1抽穗20-50-809.735.428.722.0

6、37.924.2黄熟0-305.726.821.16.91.224.318.612.87.1逐日耗水逐日降雨量量（mm）合计（不含黄熟期）449.1343.4230122.25校核：H 始+P+I-WC-D=H 末20+343.4+230-449.1-122.25=22.0mm与7月6日田间水层深度符合4. 早稻生育期设计灌溉制度表表 2.3 早稻生育期设计灌溉制度表Table 2.3 Design irrigation scheme of early rice during growth period灌水定额灌水次数灌水日期mmM3/亩4.2713.35.1560406.146.186.29

7、7.4合计230153.3选择泡田定额为90 M3/亩，则早稻全生育期灌溉定额为90+153.3=243.3 M3/亩5. 晚稻生育期灌溉制度计算表表 2.4 晚稻生育期灌溉制度计算表Table 2.4 The calculation table of irrigation scheme of late rice during the growth period田间适宜水层逐日耗水量逐日降雨量田间水层变化灌水量排水量深（mm）（mm）（mm）（mm）8220315.47410.94返青期10-30-504.53526.4120621.88续表 2.4 晚稻生育期灌溉制度计算表Continued

8、 Table 2.4The calculation table of irrigation scheme of late rice during the growth period田间适宜水层深（mm）逐日降雨量（mm）田间水层变化（mm）70.718.0580.514.02返青期10-30-504.5929.49201024.961118.891212.82130.627.35201421.281515.211629.14201723.071817190.311.232025.16202119.0922分蘖10-30-606.113.022326.9520240.221.082515.0126128.9420270.723.572813.330.82924.73300.719.36311.