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Effect of Mulches and Surface Conditions on the Water Relations and Erosion of Muskingum Soils
H. L. Borst
United States. Soil Conservation Service
Russell Woodburn
出版
U.S. Department of Agriculture
, 1942
URL
http://books.google.com.hk/books?id=pXaQMQEACAAJ&hl=&source=gbs_api
