早稻基施不同用量钙镁水滑石对湘南双季稻产量和稻米品质影响

袁帅, 何明娟, 崔璨, 韩羽, 喻鹏, 易镇邪

Effects of Different Base Application Amounts of Calcium- Magnesium Hydrotalcite in Early Rice on Yield and Rice Quality of Double-Cropping Rice in Southern Hunan

Yuan Shuai, He Mingjuan, Cui Can, Han Yu, Yu Peng, Yi Zhenxie

表1 钙镁水滑石施用量对水稻产量及其构成因素的影响

Table 1 Effects of calcium-magnesium hydrotalcite application rate on rice yield and its components

季别 Season 品种 Variety 处理 Treatment 有效穗数 Effective number of panicles (×104/hm2) 穗粒数 Grains per panicle 结实率 Seed-setting rate (%) 千粒重 1000-grain weight (g) 理论产量 Theoretical yield (t/hm2) 实际产量 Actual yield (t/hm2) 早稻Early rice 陆两优996 T1 220.14c 135.14a 73.14c 28.33a 6.18c 5.47b T2 221.15c 135.20a 73.45c 28.24a 6.22c 5.54b T3 231.04b 128.56b 80.21b 28.28a 6.83b 6.24a T4 237.15a 126.58b 83.54a 28.22a 7.17a 6.56a 株两优819 T1 225.10d 150.12a 78.26c 25.96b 6.93c 6.61c T2 240.02c 142.36b 81.40b 26.02b 7.26b 6.90b T3 248.00b 141.12b 84.51a 25.53a 7.59a 7.26a T4 259.12a 137.14c 84.32a 25.41a 7.66a 7.31a 晚稻Late rice 玉针香 T1 248.36c 127.15a 78.86b 28.76a 7.18c 7.06c T2 268.58b 119.85b 82.63ab 28.64a 7.66b 7.46b T3 270.15b 119.61bc 82.32ab 28.62a 7.69b 7.63b T4 296.21a 115.75c 84.21a 28.51a 8.40a 8.19a 湘晚籼13号 T1 219.45c 155.26a 77.44a 27.85a 7.42c 7.25c T2 231.65b 150.32b 81.25b 27.62a 7.89b 7.75b T3 256.45a 147.12bc 81.49b 27.75a 8.71a 8.48a T4 258.92a 145.14c 83.57b 27.59a 8.85a 8.62a