Najamudeen, M.S.Lesly, W.D.Jinadasa, D.M.2014-12-162014-12-162003Journal of the Soil Science Society of Sri Lanka, 15:p.19-22https://dl.nsf.gov.lk/handle/1/16285Soil ScienceReddish brown earth soilsSoil productivityGreen manureBlackgramSorghumSunhempGliricidiaAgricultureIn-situ green manuring with other field crops (OFC) to improve productivity of reddish brown earth soilsArticle