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5 产量与其构成因素的相关系数

Table 5 Correlation coefficients between yield and its components

季别 Season 品种 Variety 有效穗数 Effective number of panicles 穗粒数 Grains per panicle 千粒重 1000-grain weight 结实率 Seed-setting rate 早稻Early rice 株两优819 0.887** 0.558* 0.171 -0.402 陆两优996 0.837** 0.657* 0.136 -0.385 晚稻Late rice 盛泰优018 0.812** 0.405 0.225 -0.157 H优518 0.702** 0.755** 0.328 -0.298