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Effects of mowing and grazing on soil nutrients and soil microbes in rhizosphere and bulk soil of Stipa grandis in a typical steppe. Effect of fertilization on soil respiration in the Stipa breviflora desert steppe of Inner Mongolia. Effects of nitrogen addition on soil physico-chemical properties and enzyme activities in desertified steppe. Effects of cutting on the dominant and subdominant plant species in a Stipa krylovii steppe of Inner Mongolia. Response of plant leaf traits to grazing intensity in Stipa krylovii steppe. COMMUNITY CHARACTERISTICS AND DISTRIBUTION LAWS OF ACHNATHERUM STEPPE IN QINGHAI PROVINCE