Madurapperuma, W.SKumaragamage, D.2015-10-262015-10-261999Journal of Soil Science Society of Sri Lanka, 11:p.29-36https://dl-ifs.nsf.gov.lk/handle/1/663Evaluation of AB-DTPA Extractant for the Estimation of Plant Available Macro and Micro Nutrients in Acidic and Neutral SoilsArticle