硅藻土对水稻产量和氮肥利用率的影响

曾茜倩, 张振远, 马秀娥, 方映涵, 翟金磊, 金涛, 刘冬, 刘章勇

Effects of Diatomite Application on Yield and Nitrogen Use Efficiency of Rice

Zeng Qianqian, Zhang Zhenyuan, Ma Xiue, Fang Yinghan, Zhai Jinlei, Jin Tao, Liu Dong, Liu Zhangyong

表2 2021-2022不同处理对水稻产量及其构成因素的影响

Table 2 Effects of different treatments on the yield and its components of rice in 2021-2022

年份 Year 处理 Treatment 有效穗数 Effective panicles (×104/hm2) 穗粒数 Number of grains per panicle 结实率 Seed-setting rate (%) 千粒重 1000-grain weight (g) 产量 Yield (kg/hm2) 2021 CK 273.60±1.18c 129.76±0.54c 78.87±0.04c 23.51±0.14b 6852.61±42.42c Si 269.56±0.89c 136.93±0.59ab 77.52±0.11d 23.57±0.20b 6744.80±52.22c N 321.28±1.59b 138.72±0.64a 81.13±0.13b 24.77±0.21a 8955.10±80.04b N+Si 375.40±1.74a 136.53±0.75b 83.78±0.06a 24.44±0.22a 10 495.99±99.53a 2022 CK 238.21±0.40c 127.00±0.76c 76.99±0.10c 23.25±0.26b 5414.84±130.05c Si 239.82±0.98c 126.04±1.05c 75.64±0.21d 22.9±0.15b 5249.97±140.33c N 314.67±2.43b 146.91±0.92a 78.63±0.13b 24.2±0.16a 8619.84±230.22b N+Si 376.97±4.03a 139.13±1.82b 81.46±0.02a 24.54±0.20a 10 478.01±219.65a 差异分析Analysis of variance 年份Years (Y) ** ns ** ** ** 氮Nitrogen (N) ** ** ** ** ** 硅藻土Diatomite (Si) ** ns ** ns ** 年份×氮Y×N ** ** ** ns ** 年份×硅藻土Y×Si ** ** ns ns ns 氮×硅藻土N×Si ** ** ** ns ** 年份×氮×硅藻土Y×N×Si ns ns ns * *