Damian O. Asawalam

Extraction Methods for Estimating Available Manganese to Maize (Zea mays L.) in Acid Soils

Ernest U. Eteng & Damian O. Asawalam · Current Journal of Applied Science and Technology · 2016

Twenty surface soil samples were used to evaluate status of soil Mn using five extraction procedures (Coca-cola, EDTA, HCl, EDTA + NH4OAC and NH4OAC methods). The results show that Coca-cola method extracted the highest amount of the Mn while NH4OAC extracted the least amount of...