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Sustainability Sciences in Asia and Africa; Towards Sustainable Food Production in Africa ,
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Integrated Soil Fertility Management: A Basis for Sustainab..:
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Improving Potassium Recommendations for Agricultural Crops ,
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Assessing Potassium Mass Balances in Different Countries an..:
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Transforming Agriculture in Southern Africa ,
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Soil fertility maintenance and nutrient management for agri..:
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Transforming Agriculture in Southern Africa ,
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