Simplified rapid test methods for assessing available N, P and K levels in Soil

Silva, N.R.N.Lathiff, M.A.Maraikar, S.2014-12-162014-12-162007Journal of the Soil Science Society of Sri Lanka, 19:p.19-24https://dl.nsf.gov.lk/handle/1/16212Soil ScienceSoil analysisTesting methodsNitrogenPhosphorousPotassiumSoil fertility improvementSimplified rapid test methods for assessing available N, P and K levels in SoilArticle