Damayanthi, U.D.D.Tennakoon, N.A.2014-06-032014-06-031996Annual Report of Coconut Research Institute, Lunuwila, Sri Lanka:p...https://dl-cri.nsf.gov.lk//handle/1/3671SoilsFertilizer applicationOrganic fertilizersSoil improvementLong-term effects of organic manure application on a coconut plantation: Physical and chemical evaluation