Etude bibliographique et analyse economique de l'effet des phosphates naturels sur certaines plantes cultivees de l'Afrique de l'Est
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Assesses the performance of phosphate rock compared to other phosphates on cereals and feed crops, and the conditions under which it raises yield. Anayses its profitability.
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phosphate rock, fertilizers, crop response, economic analysis, residual effects, cereals, feed crops, yields