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Effect of cutting alternation on alfalfa forage yield, quality and over-wintering rate
Author(s): WANG Jin-mei, LI Yun-qi, ZHANG Feng-ming, ZHANG Xiao-li, LI Jian-guo, AOTEGEN·Bai-yin, LI Qiu-feng
Pages: 86-
90
Year: 2006
Issue:
3
Journal: JOURNAL OF AGRICULTURAL UNIVERSITY OF HEBEI
Keyword: 苜蓿; 刈割间隔; 品质; 越冬率;
Abstract: 研究了不同刈割间隔时间对苜蓿产草量、品质及越冬率的影响.结果表明:刈割间隔时间对苜蓿产草量、品质及越冬率有极显著影响(P<0.01).随刈割间隔时间增大,苜蓿产草量增加;粗蛋白含量显著下降(P<0.05),粗纤维、中性洗涤纤维(NDF)、酸性洗涤纤维 (ADF)含量显著(P<0.05)上升,导致干草品质下降;其中以间隔25 d越冬率最低,仅为83.33%,极显著(P<0.01)低于其它处理.综合考虑,试验地区及同类生态地区间隔35 d刈割可获得高产草量、高品质的苜蓿干草,而且越冬率高.
Citations
System Exception