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2 水稻主要生育期群体各器官氮积累量及比例

Table 2 Nitrogen accumulation and its ratio to total in main growth stages of rice

生育期 Growth stage 处理 Treatment 茎鞘Stem-sheath 叶片Leaf 穗Panicle 氮积累总量 Total nitrogen accumulation 氮肥类型 N 灌溉模式 W 氮积累量 Nitrogen accumulation (kg·hm-2) 比例 Ratio (%) 氮积累量 Nitrogen accumulation (kg·hm-2) 比例 Ratio (%) 氮积累量 Nitrogen accumulation (kg·hm-2) 比例 Ratio (%) 分蘖盛期 Tillering N0 FI 35.0g 41.5ab 49.2e 58.5de — — 84.2gh AWD 41.3e 37.9cde 67.8b 62.1abc — — 109.0d PUN100 FI 45.3d 39.8bc 68.6b 60.2cd — — 113.7c AWD 34.1g 37.4e 57.0c 62.6a — — 91.0f PUN80 FI 30.5h 37.6de 50.5d 62.4ab — — 80.9h AWD 31.4h 36.8e 54.0de 63.2a — — 85.3g CRFN80-BC FI 38.8f 40.7b 56.9c 59.3d — — 95.6e AWD 51.3b 38.0cde 83.7a 62.0abc — — 135.0b SFN80-BC FI 49.0c 42.8a 65.4b 57.2e — — 114.4c AWD 56.2a 39.6bcd 85.7a 60.4bcd — — 141.8a F 值 F value W 106.1** 37.2** 184.0** 37.2** — — 303.4** N 555.0** 10.0** 95.2** 10.0** — — 336.4** W×N 171.9** 1.3ns 66.3** 1.3ns — — 167.2** 齐穗期 Heading N0 FI 37.2f 39.0e 40.9h 42.9bc 17.3e 18.1a 95.2i AWD 51.5e 39.8e 53.8g 41.6cd 24.1bcd 18.6a 129.3h PUN100 FI 89.1b 43.7cd 90.3c 44.3ab 24.5bc 12.0cd 203.9cd AWD 82.7c 43.4cd 82.6d 43.3bc 25.3b 13.3b 190.6d PUN80 FI 66.7d 44.8bc 64.4f 43.2bc 17.8e 12.0cd 148.8g AWD 84.8c 51.7a 60.7f 37.0e 18.6e 11.3d 164.0f CRFN80-BC FI 82.7c 46.9b 71.2e 40.4d 22.3d 12.6bc 176.1e AWD 92.9b 42.5cd 99.7b 45.8a 25.6b 11.7d 218.2bc SFN80-BC FI 92.4b 47.1b 81.2d 41.4cd 22.5cd 11.5d 196.0d AWD 98.3a 42.2d 104.0a 44.6ab 30.9a 13.2b 233.1a F 值 F value W 59.4** 0.6ns 142.6** 0.1ns 96.0** 5.3* 372.4** N 266.7** 32.9** 377.8** 8.0** 54.7** 210.8** 960.3** W×N 133.5** 18.9** 64.9** 19.8** 14.4** 9.4** 72.5** 成熟期 Maturity N0 FI 59.0a 30.9a 19.5d 10.2f 112.3g 58.9g 190.7g AWD 46.7d 25.3b 16.8e 9.1g 121.8f 65.7cde 185.3g PUN100 FI 57.1ab 22.5c 38.6a 15.2a 157.7de 62.3f 253.2cd AWD 55.7b 20.8d 37.7a 14.1bc 174.6ab 65.1de 268.0a PUN80 FI 43.3e 19.2e 30.2bc 13.4cd 151.8e 67.4ab 225.1f AWD 49.2c 20.9d 27.6c 11.7e 158.2de 67.3ab 234.9e CRFN80-BC FI 49.7c 20.2de 31.5b 15.3a 165.0cd 67.0e 246.2d AWD 51.6c 20.4de 38.9a 12.8d 162.6cd 64.3abc 253.0cd SFN80-BC FI 49.1c 19.0e 39.0a 15.1ab 170.1bc 65.9bcd 258.2bc AWD 43.8e 16.7f 39.2a 15.0ab 179.2a 68.3a 262.1ab F 值 F value W 19.9** 31.4** 0.3ns 1.8ns 23.8** 36.8** 11.2** N 59.4** 155.8** 180.5** 82.4** 155.3** 41.0** 233.4** W×N 38.5** 20.1** 10.3** 12.1** 3.7* 26.9** 3.6*