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Criteria to develop a screening technique for a low-pH and low-P soil in Malawi: Effect of phosphorous on growth and yield of beans por Aggarwal, VD, Chirwa, Rowland, Mughogho, SK

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Research needs and methods for the use of fertilizers and soil amendments in bean-based cropping systems por Mughogho, SK, Wortmann, Charles S.

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Diagnosis of soil fertility constraints in bean based cropping systems: review of research results por Mughogho, SK, Wortmann, Charles S.

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Research methods for the diagnosis of soil fertility problems por Wortmann, Charles S., Regassa, T, Mughogho, SK

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