Jayasinghe, C.K.Parker, C.A.Kulasooriya, A.2014-07-102014-07-101986Journal of the Rubber Research Institute of Sri Lanka, 66:p.1-8https://dl-rri.nsf.gov.lk//handle/1/2623AgricultureRhizobiaPueraria phaseoloidesBradyrhizobiumCowpeaCover cropsLegumesMicroorganismsNative root-nodule bacterial populations in rubber growing soils and forest soilsArticle