氮肥运筹对湘南双季杂交稻生长发育与稻米品质的影响

袁帅, 苏雨婷, 陈平平, 易镇邪

Effects of Nitrogen Management on Yield Formation and Rice Quality of Double Cropping Hybrid Rice in Southern Hunan

Yuan Shuai, Su Yuting, Chen Pingping, Yi Zhenxie

表3 氮肥运筹对水稻干物重的影响

Table 3 Effects of nitrogen fertilizer management on dry matter weight of rice t/hm2

季别 Season 品种 Variety 处理 Treatment 分蘖期 Tillering stage 孕穗期 Booting stage 齐穗期 Full heading stage 灌浆期 Filling stage 成熟期 Maturity stage 早稻Early rice 株两优819 N1 2.91a 3.64b 7.18b 9.17c 10.22c N2 2.83a 4.62a 8.35a 10.76a 12.17a N3 2.79a 4.46a 8.04a 10.15b 11.51b 陆两优996 N1 3.24a 3.63a 6.78b 8.25c 9.52c N2 3.15a 3.94a 8.61a 10.20a 11.23a N3 3.10a 3.64a 7.52ab 9.07b 10.24b 晚稻Late rice 盛泰优018 N1 3.42a 4.49b 7.17b 9.12b 10.53b N2 3.37a 5.22a 8.99a 10.95a 12.71a N3 3.28a 4.51b 8.00ab 10.29a 12.22a H优518 N1 3.66a 5.53b 7.89c 10.20b 11.56b N2 3.73a 6.32a 9.53a 11.60a 13.01a N3 3.55a 5.78b 8.60b 11.03ab 12.60ab