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A study of the appearance of potassium deficiency in a ferrallitic soil on granite

A study of the appearance of potassium deficiency in a ferrallitic soil on granite

Agronomie Tropicale 29(6-7): 675-684

Soil K fertility decreased very rapidly after clearance of primary forest in Ivory Coast, and marked deficiency appeared from the third year of maize cultivation without K fertilizer.

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