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John W Putman

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Soil conservationThe erosion-productivity impact calculator as formulated for the Resource Conservation Act appraisalJohn W Putman

The erosion-productivity impact calculator as formulated for the Resource Conservation Act appraisal

John W Putman · U.S. Dept. of Agriculture, Economic Research Service, Natural Resource Economics Division

39 sayfa · 1987

Mathematical models / Soil erosion / Soil conservation