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Leucaena hedgerow intercropping and cattle manure application in the Ethiopian highlands. II. Maize yields and nutrient uptake por Lupwayi, N.Z., Haque, I., Saka, A.R., Siaw, D.E.K.A.

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Maize/Annual forage legumes mixed cropping systems: Characterizing water and Nitrogen dynamics in maize/vetch pure and mixed stands. II. Criteria for model selection and minimum da... por Saka, A.R., Haque, I.

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Manure studies in the Ethiopian highlands. I. Effect on Medicago sativa L. grown on an alfisol por Saka, A.R., Haque, I.

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Manure studies in the Ethiopian highlands: II. Effect on Medicago sativa L. and Desmodium uncinatum grown on an ultisol por Saka, A.R., Haque, I.

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Forage legumes in crop-livestock systems of sub-Saharan Africa por Saka, A.R., Haque, I., Lupwayi, N.Z., El-Wakeel, A.

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Maize/Annual forage legumes mixed cropping systems: Characterizing water and nitrogen dynamics in maize/vetch pure and mixed stands. 1. Procedures for collecting minimum data sets por Saka, A.R., Haque, I., Singh, U., Thornton, Philip K.

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