Madurapperuma, W.S.Kumaragamage, D.2014-12-162014-12-161999Journal of the Soil Science Society of Sri Lanka, 11:p.29-36https://dl.nsf.gov.lk/handle/1/16277Soil SciencesMulti nutrient extractantsSoil analysisAB-DTPA MethodSoil nutrient statusEvaluation of AB-DTPA extractant for the estimation of plant available macro and micro nutrients in acidic and neutral soilsArticle