Weerakoon, W.L.2014-12-162014-12-161989Journal of the Soil Science Society of Sri Lanka, 6:p.69-77https://dl.nsf.gov.lk/handle/1/16246AgricultureGreen manureGliricidia sepiumLeucaena leucocephalaSesbania sesbanNutrient contentAlley croppingBiomass productionUse of nitrogen fixing plants in dry zone agricultureArticle