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内蒙古白音锡勒牧场地区天然割草场合理割草制度的研究
引用本文:仲延凯,包清海,孙维.内蒙古白音锡勒牧场地区天然割草场合理割草制度的研究[J].生态学报,1991,11(3):242-249.
作者姓名:仲延凯  包清海  孙维
作者单位:内蒙古大学内蒙古自然资源研究所 呼和浩特 (仲延凯,包清海),内蒙古大学内蒙古自然资源研究所 呼和浩特(孙维)
摘    要:

关 键 词:合理轮割制度  天然草场  割草时期
收稿时间:1990/4/14 0:00:00

A STUDY ON REASONABLE MOWING SYSTEM OF NATURAL MOWING STEPPE IN BAIYINXILE FARM, INNER MONGOLIA
Zhong Yan-Kai.A STUDY ON REASONABLE MOWING SYSTEM OF NATURAL MOWING STEPPE IN BAIYINXILE FARM, INNER MONGOLIA[J].Acta Ecologica Sinica,1991,11(3):242-249.
Authors:Zhong Yan-Kai
Institution:University of Inner Mongolia; Inner Mongolia Institute of Natural Resources; Huhot
Abstract:A reasonable mowing system of the natural mowing steppe in Baiyinxile farm was studied. The results showed that according to N-elcment reserves per unit area, the optimum mowing period was in the middle August, and the rational rotation mowing system consisted of a year moving and the next year stopping. Under the influence of mowing, the above-ground bio-mass and density of the community decreased in a way of fluctuation year b year. The number of the fine forage grasses decreased while the forbs were being increased. The under-ground biomass of the community declined, too.Some ecological factors such as soil water content and soil nutritious substance were also influenced by mowing.
Keywords:optimum mowing Period  rational rotation mowing system  N-element reserves per unit area    
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