Loganathan, P.Burau, R.G.Fuerstenau, D.W.2014-06-032014-06-031977Soil Science Society of America Journal, 41:p.56-64https://dl-cri.nsf.gov.lk//handle/1/3089Plant NutritionMicronutrientsNutrient uptakeCo2+, Zn, CaCationsInfluence of pH on the sorption of Co2+, Zn2+ and Ca2+ by ahydrous manganese oxide