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Screening forage legumes germplasm to low soil fertility: V. Highland Leucaena germplasm tolerance to phosphorus deficiency in solution, soil and sand culture(ILCA PSD Working Docu... por Aduayi, E.A., Haque, I.

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Copper in soils, plants and ruminant animal nutrition with special reference to sub-Saharan Africa por Haque, I., Aduayi, E.A., Sibanda, S.

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Soil, plant, water, fertilizer, animal manure and compost analysis manual por Tadesse, T., Haque, I., Aduayi, E.A.

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Effects of copper fungicide sprays on soil and leaf nutrient composition and yield of coffee trees por Aduayi, E.A.

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Soil pH, as measured in different solutions with water and with 0.01M CaCl² and the nutrient content of some coffee soils por Aduayi, E.A.

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