Jayasinghe, C.K.Parker, C.A.Kulasooriya, A.2012-06-252012-06-251986Journal of the Rubber Research Institute of Sri Lanka66pp.1-8https://dl.nsf.gov.lk/handle/1/8974AgricultureRhizobiaPueraria phaseoloidesBradyrhizobiumCowpeaCover cropsLegumesMicroorganismsNative root-nodule bacterial populations in rubber growing soils and forest soilsArticle