控灌施肥对寒地粳稻生长及产量和品质的影响
李洪亮, 孙玉友, 魏才强, 刘丹, 解忠, 程杜娟, 曲金玲, 宋泽, 孟祥海, 赵云彤, 时新瑞

Effects of Controlled Irrigation and Fertilization on Growth, Yield and Quality of Japonica Rice in Cold Region
Li Hongliang, Sun Yuyou, Wei Caiqiang, Liu Dan, Xie Zhong, Cheng Dujuan, Qu Jinling, Song Ze, Meng Xianghai, Zhao Yuntong, Shi Xinrui
表4 水肥因子对水稻产量和品质影响的互作分析
Table 4 Interaction analysis of water and fertilizer factors on rice yield and quality
性状
Trait
变异来源
Sources of
variation
平方和
Sum of
squares
自由度
df
均方
Mean
square
F
F-value
P
P-value
产量
Yield
区组 0.8470 2 0.4235 61.8108 0.0001
W因子 0.1667 1 0.1667 24.3243 0.0001
N因子 73.6893 2 36.8446 5377.3243 0.0001
R因子 8.0459 2 4.0230 587.1351 0.0001
W×N 0.0411 2 0.0206 3.0000 0.0631
W×R 0.0311 2 0.0156 2.2703 0.1187
N×R 0.2252 4 0.0563 8.2162 0.0001
W×N×R 0.0444 4 0.0111 1.6216 0.1914
误差 0.2330 34 0.0069
总和 83.3237 53
品质
Quality
区组 3.5926 2 1.7963 10.6387 0.0003
W因子 54.0000 1 54.0000 319.8194 0.0001
N因子 138.4815 2 69.2407 410.0839 0.0001
R因子 23.5926 2 11.7963 69.8645 0.0001
W×N 7.0000 2 3.5000 20.7290 0.0001
W×R 0.1111 2 0.0556 0.3290 0.7219
N×R 0.9630 4 0.2407 1.4258 0.2466
W×N×R 0.2222 4 0.0556 0.3290 0.8565
误差 5.7407 34 0.1688
总和 233.7037 53