Erosion and soil productivity. Proceedings...
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| Format: | Texto biblioteca |
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St. Joseph, MI (USA) American Society of Agricultural Engineers
1985
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| Subjects: | EROSION, SOIL FERTILITY, YIELDS, CROPS, USA, ECONOMICS, EROSION CONTROL, PRODUCTIVITY, MODELS, FERTILITE DU SOL, FERTILIDAD DEL SUELO, RENDEMENT, PLANTE DE CULTURE, ETATS UNIS, ECONOMIE, LUTTE ANTIEROSION, PRODUCTIVITE, MODELE, RENDIMIENTO, CULTIVOS, EUA, ECONOMIA, CONTROL DE LA EROSION, PRODUCTIVIDAD, MODELOS, |
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