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1 氮肥运筹对水稻LAI的影响

Table 1 Effects of nitrogen fertilizer management on LAI of rice

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 早稻Early rice 株两优819 N1 2.46a 3.70c 4.25b 3.52b N2 2.35a 4.25a 4.89a 4.02a N3 2.25a 3.98b 4.56ab 3.61b 陆两优996 N1 2.36a 3.51b 4.04b 3.38b N2 2.22a 4.18a 4.67a 3.99a N3 2.16a 3.60b 4.35ab 3.45b 晚稻Late rice 盛泰优018 N1 2.66a 4.20b 4.66c 3.82c N2 2.78a 4.60a 5.26a 4.32a N3 2.62a 4.55a 4.91b 4.08b H优518 N1 3.20a 4.50b 5.06c 4.07c N2 3.13a 5.18a 5.84a 4.68a N3 2.91a 4.97a 5.31b 4.38b