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A Comparison of Tillage Systems
Glenn A. ZeppGordon SloggettLee A. Christensen
其他書名
For Reducing Soil Erosion and Water Pollution
出版U.S. Department of Agriculture, Economic Research Service, 1982
URLhttp://books.google.com.hk/books?id=MjqyAQAACAAJ&hl=&source=gbs_api