放牧强度对林草地土壤物理性状的影响 --以黄土高原丘陵沟壑区为例
范春梅,廖超英,李培玉,孙长忠,许喜明
A Study of the Effects of Different Grazing Intensities on Soil Physical Properties of Grassland and Forest Floor -- For Example Hilly and Gully Regions on the Loess Plateau
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中国农业科学
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2006, (7): 1501
-1506
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DOI: 10.3864/j.issn.0578-1752.at-2005-6061
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