Yapa, L.G.G.Wanasundara, W.M.U.N.Punyawardena, B.V.R.2014-12-162014-12-161991Journal of the Soil Science Society of Sri Lanka, 7:p.76-90https://dl.nsf.gov.lk/handle/1/16252AgricultureSoil moistureNutrient uptakePlant growthCrop yieldPotassium fertilizersThe role of potassium fertilizer in drought tolerance of corn grown in noncalcic brown soils (Haplustalfs)Article