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Fertilizer sulfur and food production: Research and Policy Implications for Tropical Countries J.S. Kanwar 1986 edition
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Fertilizer sulfur and food production: Research and Policy Implications for Tropical Countries
J.S. Kanwar
Moder nagriculture based on high crop yields, intensive cropping, improved crop varieties, and greater use of sulfur-free fertilizers and environmental regula tions restricting sulfur emissions are creating large gaps between sulfur sup ply and sulfur requirements.
270 pages, tabs.