【摘要】 连续两年在哈尔滨地区,对肇东苜蓿进行了每年刈割1、2、3次的田间试验,比较了各处理在干草产量、粗蛋白产量及越冬率方面的差异,并通过灰色关联分析对各个处理进行了综合评价。结果表明,种植第2、3年的肇东苜蓿的最优刈割次数是2005年(种植第2年)刈割2次,2006年(种植第3年)刈割2次。更多还原

【Abstract】 Through two-year’s continuous cutting on Zhaodong-alfalfa(Medicago sativa L.cv.’Zhaodong’)at different cutting times in Harbin,The differences in yields of hay and crude protein,and overwintering rates between treatments of Zhaodong-alfalfa were measured and compared in two years.By using the method of grey correlation analysis,all the treatments of Zhaodongalfalfa with different cutting times were evaluated comprehensively.The results indicate that the best cutting times for Zhaodong-alfalfa in Harbin were 2 times cutting in 2005(i.e.the second year after sowing) and 2 times cutting in 2006(i.e.the third year after sowing)when were the best yields of herbage production.更多还原