Use of multi-ionic extractant to determine available P,K,Na,Ca and Mg in acid soils of Sri Lanka

Madurapperuma, W.S.Kumaragamage, D.2014-11-122014-11-121995Tropical Agricultural Research, 7:p.152-158https://dl.nsf.gov.lk/handle/1/12031AgricultureSoil nutrientsUse of multi-ionic extractant to determine available P,K,Na,Ca and Mg in acid soils of Sri LankaA