Jayasundara, H.P.S.Liyanage, L.V.K.Bastian, M.2014-06-032014-06-031989Annual Sessions of SLAAS, Sri Lanka. Colombo, 1989. 45:p...https://dl-cri.nsf.gov.lk//handle/1/3344SoilsSoil propertiesNitrogen fixationGreen manureImprovement of soil properties using nitrogen fixing trees as green manure for coconut