叶面喷施不同铁肥对燕麦种子产量及其构成因素的影响

武慧娟, 耿小丽, 李德明, 周栋昌, 付萍, 刘乾, 杜笑村

Effects of Foliar Spraying with Different Iron Fertilizers on Seed Yield and Its Components in Oat

Wu Huijuan, Geng Xiaoli, Li Deming, Zhou Dongchang, Fu Ping, Liu Qian, Du Xiaocun

表4 燕麦种子产量构成因素的主成分分析（PCA）

Table 4 Principal component analysis (PCA) of yield components of oat seeds

指标 Index 主成分Principal component 1 2 3 X2 0.833 -0.455 0.201 X3 0.650 -0.521 0.501 X5 0.882 0.027 -0.375 X6 0.825 0.189 0.351 X7 0.110 0.878 0.383 X8 0.869 0.258 0.225 X9 0.917 0.082 -0.376 X10 0.896 0.004 -0.042 X11 0.796 0.173 -0.387 特征值Eigenvalue 5.620 1.390 1.046 贡献率Contribution rate (%) 62.448 15.441 11.619 累计贡献率 Cumulative contribution rate (%) 62.448 77.889 89.508