Changes in microorganisms and enzyme activities in soil under different grazing intensities in meadow steppe, Inner Mongolia
YAN Ruirui, YAN Yuchun, XIN Xiaoping, YANG Guixia, WANG Xu, ZHANG Baohui
Ecology and Environment . 2011, (2): 259 -265 .  DOI: 10.16258/j.cnki.1674-5906(2011)02-0259-07

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