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Results of longterm fertility trials have been useful in identifying long-term nutrient needs and problems arising with continuous and intensive cropping on Alfisols. Available data have shown that high and sustained crop yields can be obtained with judicious and balanced NPK fertilization, combi...


Kang, B.T.Balasubramanian, V.[Longtern fertilizer trials on alfisols in West Africa]Longtern fertilizer trials on alfisols in West Africa

Kang, B.T.Fox, R.L.[Influence of soil fertility on the protein and sulphur contents on grain legumes]Influence of soil fertility on the protein and sulphur contents on grain legumes

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