叶面喷施硅肥对寒地玉米干物质积累分配及产量品质的调控效应

刘天昊, 张翼飞, 王怀鹏, 杨克军, 张津松, 孙逸珊, 肖珊珊, 徐荣琼, 杜嘉瑞, 李佳宇, 彭程, 王宝生

Regulating Effects of Foliar Spraying Silicon Fertilizer on Dry Matter Accumulation and Translocation, Grain Yield and Quality of Maize in Cold Region

Liu Tianhao, Zhang Yifei, Wang Huaipeng, Yang Kejun, Zhang Jinsong, Sun Yishan, Xiao Shanshan, Xu Rongqiong, Du Jiarui, Li Jiayu, Peng Cheng, Wang Baosheng

表2 叶面喷施不同浓度硅肥对玉米产量及其构成因素的影响

Table 2 Effects of different concentrations of silicon fertilizer on maize yield and yield composition factors

年份 Year 处理 Treatment 有效穗数（穗/hm2） Effective ear number (ears/hm2) 百粒重 100-grain weight (g) 行粒数 Kernel number per row 穗行数 Row number per ear 穗粒数 Kernel number per spike 产量 Yield (kg/hm2) 2017 LCK 66 923.07a 27.76c 35.13b 16.10a 565.68a 9 192.21c LS1 66 667.67a 28.73bc 35.30b 15.67a 552.99a 9 536.30c LS2 67 692.31a 29.51ab 37.60a 15.60a 586.56a 10 868.97b LS3 67 820.50a 30.47a 36.85ab 15.53a 572.40a 11 485.68a LS4 68 076.92a 28.49bc 36.30ab 15.70a 569.65a 10 658.79b 2018 LCK 65 134.62a 29.65b 30.17a 16.33a 492.47a 9 681.84b LS1 65 334.61a 29.70b 30.47a 15.73a 478.87a 10 819.07ab LS2 65 516.92a 31.73ab 31.93a 15.50a 495.49a 11 393.68a LS3 66 030.00a 33.30a 33.00a 15.40a 508.40a 12 331.69a LS4 67 173.84a 30.93ab 32.07a 15.67a 502.37a 11 206.64ab 显著性 (F值) Significance (F-value) 年份Year (Y) 3.024 62.850** 102.468** 0.000 17.810** 10.460** 施硅浓度Si concentration (SC) 0.435 11.547** 4.129* 0.397 0.267 13.695** 年份×施硅浓度 (Y×SC) 0.057 8.409** 0.455 0.025 0.068 0.434