不同种植密度对大麦产量和青贮品质的影响

赵准,李剑,宋瑞娇,郭岩,令江瑞,齐军仓

Effects of Different Planting Densities on Biomass Yield and Silage Quality of Barley

Zhun Zhao,Jian Li,Ruijiao Song,Yan Guo,Jiangrui Ling,Juncang Qi

表7 不同种植密度对大麦青贮品质的方差分析

Table 7 Variance analysis of silage quality of barley under different planting densities

变异来源Source 自由度 Degree of freedom pH 氨态氮 NH3-N 乳酸 Lactic acid 乙酸 Acetic acid 丙酸 Propionic acid 丁酸 Butyric acid 区组Blocks 2 0.77 0.22 0.77 1.13 0.05 0.00 品种(系) Cultivars (Lines) 2 7.50* 6.79* 7.50* 5.16* 7.96** 0.00 密度Densities 2 1.43 4.09* 1.43 1.42 1.23 0.00 密度×品种(系) Density×Cultivar (Line) 4 1.99 1.39 1.99 1.69 0.19 0.00