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Instituto Tecnologico de Costa Rica , Cartago , Costa Rica , 46 pp - Gutteridge RC ( 1990 ) The use of the leaf of nitrogen fixing trees as a source of nitrogen for maize . Nitrogen Fixing Tree Research Reports 8 : 27-28 Holdridge LR ... | |
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Agroforestry Systems 7 : 103–114 Budelman A ( 1988 ) The decomposition of the leaf mulches of Leucaena leucocephala ... 46 PP Gutteridge RC ( 1990 ) The use of the leaf of nitrogen fixing trees as a source of nitrogen for maize . | |
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The use of the leaf of nitrogen fixing trees as a source of nitrogen for maize . Nitrogen Fixing Tree Research Reports 8 : 27-28 . Jama , B.A. , Getahun , A. and Ngugi , D.N. 1991. Shading effects of alley cropped Leucaena leucocephala ... | |
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... the Atlantic Zone of Costa Rica • Capacity of nitrogen - fixing trees to supply nutrients to maize ( Zea mays ) in Costa Rica's basedeficient soils • Green manures as a nutrient source in tropical hillside agroecosystems in Colombia ... | |
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