Vidhana Arachchi, L.P.Liyanage, M.de.S.2014-06-032014-06-031998Agroforestry Systems, 39(3):p.305-318https://dl-cri.nsf.gov.lk//handle/1/3657SoilsRoot growthNitrogen fixing treesSoil propertiesPhysical propertiesSoil physical conditions and root growth in coconut plantations interplanted with nitrogen fixing trees in Sri Lanka