Sivapalan, K.2015-06-192015-06-191986Sri Lanka Journal of Tea Science55(2)pp.58-70https://dl.nsf.gov.lk/handle/1/19460Soil ScienceSoil organic matterTeaHumic substancesPhysicochemical propertiesSoil chemistrySoil aggregationThe biochemistry of soil humus some current conceptsArticle