Effect of interaction between organic acid and P on the growth and the P and Zn contents of alfalfa Medicago sativa l.
采用田间试验方法，研究了在锌同一施用量条件下，有机酸-磷配合施用对紫花苜蓿生长及对磷锌元素吸收的影响。
The results showed that increasing the chopped length of alfalfa hay increased eating bout, time spent for eating the hay and ration, ruminating and total chewing activity of ration(P < 0.
结果表明：随着苜蓿干草长度的增加，苜蓿干草采食时间、日粮采食时间、反刍时间、咀嚼时间明显增加（P<0。
Clipping period has a clear impact on quality of alfalfa. in treatment T1, Crude protein content is the highest (showing bud period of Alfalfa)and NDF and ADF content are the lowest (P<0.05);
处理T1（紫花苜蓿现蕾期）的粗蛋白含量最高，中性洗涤纤维和酸性洗涤纤维含量最低（P<0.05）；
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