氮素穗肥运筹方式对杂交晚粳稻产量和品质的影响

周乾聪, 陈乐, 罗亢, 刘梦洁, 宋永苹, 谢小兵, 曾勇军

Effects of Nitrogen Panicle Fertilizer Management on Yield and Quality of Hybrid Late Japonica Rice

Zhou Qiancong, Chen Le, Luo Kang, Liu Mengjie, Song Yongping, Xie Xiaobing, Zeng Yongjun

表2 氮素穗肥运筹对晚粳稻产量及其构成因子的影响

Table 2 Effects of nitrogen panicle fertilizer management on late Japonica rice yield and its components

处理 Treatment 有效穗数 Effective panicles (×104/hm2) 穗粒数 Grains per panicle 总颖花量 Total spikelets (×108/hm2) 结实率 Seed setting rate (%) 千粒重 1000-grain weight (g) 产量 Yield (kg/hm2) SF0 391.24c 96.84b 3.79b 83.49a 28.38ab 8280.02b SF1 393.80bc 103.62ab 4.08ab 82.40ab 28.86a 9181.23a SF2 406.45ab 109.49a 4.45a 81.06b 27.28c 9197.90a SF3 412.37a 108.18a 4.46a 81.76ab 27.73bc 9334.05a