【作者】 春亮； 辛晓平； 韩文军； 闫志坚； 路艳峰； 杨桂霞； 唐华俊；

【Author】 Chun Liang~(1,3),XIN Xiao-ping~2,Han Wen-jun~1,Yan Zhi-jian~1,Lu Yan-feng~1,YANG Gui-xia~2,TANG Hua-jun~2 (1 Grassland Research Institute of CAAS,Hohhot 010010,China;Institute of Agricultural Resources and Regional Planning,CAAS,Beijing 100081,China;3 Key Laboratory of Grassland Resources & Ecology,MOA,Hohhot 010010, China)

【机构】 中国农业科学院草原研究所； 农业部草地资源生态重点开放实验室； 中国农业科学院农业资源与农业区划研究所；

【摘要】 本研究分析了冬前刈割对当年生长的紫花苜蓿叶片光合作用的影响。结果表明,10月份刈割处理叶片的光合比例与不刈割处理的变化趋势相近,但大小关系因时间段不同而变化较大;刈割处理叶片的光合速率普遍高于不刈割处理。更多还原

【Abstract】 In this study,the effects of cutting before winter on the photosynthesis of alfalfa leaves were analysed.It showed that the cutting significantly influenced that of the first year alfalfa.The photosynthesis yield of cutting alfalfa were siginficantly lower than that of the no-cutting alfalfa in monrning and afternoon,but on the contrary in noon.The photosynthesis rate of cutting alfalfa were siginficantly higher than that of the no-cutting alfalfa.更多还原