Wickramasinghe, W.M.A.D.B.Wijewardena, J.D.H.2023-02-172023-02-172003Rice Congress 2000, 14-15 December 2000, Plant Genetic Resources Centre, Gannoruwa, Peradeniya, Sri Lanka:pp.125-140https://dl-doa.nsf.gov.lk/handle/1/7645Soil Fertility Management and Integrated Plant Nutrition Systems in Rice CultivationConference Paper