Position: Home > Articles > Studies on responses of Kobresia humilis to simulated grazing
Pratacultural Science
2002,19
(1)
42-44
矮嵩草对模拟放牧反应的研究
作 者：
朱志红;李希来;刘伟;乔有明;徐志伟
单 位：
青海大学农牧学院草业科学系
关键词：
矮嵩草无性系;模拟放牧;生物量;分蘖
摘 要：
在生长季中期 ,对矮嵩草无性系在不同的刈割面积和刈割高度组合处理下的反应进行比较 ,以评价其对模拟放牧的反应。设 4种刈割面积和 2个刈割高度 ,组合产生 8个模拟放牧处理 ,同时设一个不刈割的对照处理CK。未刈部分分蘖的地上生物量和每分株分蘖数在处理间有明显差异 ,G处理单分蘖的生物量最大 ,其它处理间无显著差异 ;C和F处理利用率相同而利用方式不同 ,它们单分蘖的生物量无差异 ;F处理的每分株分蘖数与对照处理相同并显著高于其它处理 ,其它处理间无显著差异。不论是被刈部分还是未刈部分 ,其每分蘖的地上生物量以及每分株分蘖数在不同的恢复时间里均无明显差异 ;刈割部分的地上生物量和每分株分蘖数在处理间差异不显著
译 名：
Studies on responses of Kobresia humilis to simulated grazing
作 者：
Zhu Zhi hong, Li Xi lai, Liu Wei, Qiao You ming, Xu Zhi wei (Agricultural and Animal Husbandry College, Qinghai University, Xining 810003, China)
关键词：
Kobresia humilis clone; simulated grazing; biomass; tiller number
摘 要：
To evaluate responses of Kobresia humilis to simulated grazing, the responses to its clones of 8 treatment combinations between mowing area (1/4, 1/2, 3/4 and all of transection area of clonal cylinder) and mowing height (1/2 and all of clone aboveground) were compared in mid growing stage. There was significant difference in aboveground biomass per tiller or tiller number per ramet to unmowed part of a clone among treatments. Biomass per tiller was highest under treatment of 1/2 mowed area, 1/2 mowed height, but no significant difference in other treatments. No matter what clones mowed or not, there were no significant difference in aboveground biomass per tiller and tiller number per ramet treated by different rehabilitation period.
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