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Effects of cattle and poultry manures on organic matter content and absorption complex of a sandy soil under cassava cultivation (Manihot esculenta, Crantz). IJMF [Internet]. 2012 May 28 [cited 2026 Apr. 4];1(1):222-9. Available from: https://www.ijpp.org/journal/index.php/ijmf/article/view/281