不同生育期刈割对豫北小黑麦草产量、品质和青贮发酵质量的影响

桑瑞娟, 董春阳, 张红妹, 何云, 孙浩, 刘伯帅, 朱晓艳, 马森, 李德锋

Effects of Mowing at Different Growth Stages on Forage Yield, Quality and Silage Fermentation Quality of Triticale in Northern Henan Province

Sang Ruijuan, Dong Chunyang, Zhang Hongmei, He Yun, Sun Hao, Liu Boshuai, Zhu Xiaoyan, Ma Sen, Li Defeng

表4 小黑麦各营养指标的主成分分析

Table 4 Principal component analysis of nutritional indexes of triticale

指标 Index 主成分 Principal component PC1 PC2 酸性洗涤纤维ADF 0.956 -0.030 中性洗涤纤维NDF 0.953 0.235 相对牧草质量RFQ 0.950 0.293 粗蛋白CP 0.446 0.716 粗灰分CA 0.020 -0.914 累计方差贡献率 Cumulative variance contribution rate (%) 58.474 29.804