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Browse on keywords: legume rotation effect
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2507. Heichel, G.H.. 1987. Legumes as a source of nitrogen in conservation tillage systems.. IN: J.F. Power (ed.) The role of legumes in conservation tillage systems..
A review of legume N contributions in crop rotations across the U.S. Covers nitrogen nutrition of legumes, legume nitrogen and companion plants, management effects, nonlegume yield response. T: examples of regional rotations with legumes; seasonal N fixation for various crops in various locations; N transfer from legume to grass; N budgets; N recovery.