不同灌溉和施肥模式对水稻产量、氮利用和稻田氮转化特征的影响

曹小闯,吴龙龙,朱春权,朱练峰,孔亚丽,陆若辉,孔海民,胡兆平,戴锋,张均华,金千瑜

Effects of Different Irrigation and Nitrogen Application Regimes on the Yield, Nitrogen Utilization of Rice and Nitrogen Transformation in Paddy Soil

CAO XiaoChuang,WU LongLong,ZHU ChunQuan,ZHU LianFeng,KONG YaLi,LU RuoHui,KONG HaiMin,HU ZhaoPing,DAI Feng,ZHANG JunHua,JIN QianYu

表3 水稻抽穗期至成熟期群体各器官氮转运量和氮转运贡献率

Table 3 N translocation and contribution of nitrogen translocation in stems-sheaths and leaves of rice from the heading to maturity stage

处理 Treatment 茎鞘 Stem-sheath 叶片 Leaf 穗 Panicle 氮肥类型 N 灌溉模式 W 氮转运量 Nitrogen translocation (kg·hm-2) 氮转运率 Efficiency of nitrogen translocation (%) 氮转运量 Nitrogen translocation (kg·hm-2) 氮转运率 Efficiency of nitrogen translocation (%) 氮增加量 Nitrogen increment (kg·hm-2) 转运氮 贡献率 Contribution rate of nitrogen translocation (%) 叶转运氮 贡献率 Contribution rate of leaf nitrogen translocation (%) 茎鞘转运氮 贡献率 Contribution rate of stem-sheath nitrogen translocation (%) N0 FI -21.8h -58.7h 21.4g 52.2d 95.2d -0.5g 22.4f -23.0h AWD 4.8g 9.2g 36.9ef 68.7a 98.1d 42.8f 37.8b 4.9g PUN100 FI 32.0de 35.9def 51.8b 57.3c 133.4c 62.9c 38.9b 24.0cd AWD 27.0ef 32.6f 44.9c 54.2cd 149.3a 48.2e 30.0c 18.1ef PUN80 FI 23.4f 34.9ef 34.3f 53.2d 133.7c 43.0f 25.6de 17.4f AWD 35.5cd 41.9bcd 33.2f 54.6cd 139.5bc 49.2e 23.7ef 25.5bcd CRFN80-BC FI 33.0de 39.8de 39.8de 55.8cd 143.1ab 51.0e 27.8cd 23.2de AWD 41.4bc 44.1bc 60.9a 61.0b 137.2bc 74.8b 44.3a 30.5b SFN80-BC FI 43.3b 46.8b 42.3cd 52.1d 147.7a 57.9d 28.6c 29.3bc AWD 54.5a 55.4a 64.8a 62.3b 148.5a 80.6a 43.8a 36.8a F值 F value W 66.2* 173.4** 111.4** 64.2** 6.9* 246.0** 153.8** 65.7** N 215.6** 443.8** 100.3** 8.8** 156.5** 263.5** 56.9** 170.8** W×N 14.6** 100.9** 38.3** 20.5** 5.9** 88.2** 81.6** 23.7**