Jeyakumar, P.Thangaraj, M.2012-04-102012-04-102001Tropical Agricultural Research and Extension4(2)pp.97-100https://dl.nsf.gov.lk/handle/1/8059AgricultureRiceOryza sativa L.Grain grade indexCrop yieldYield componentsPlant physiologyNitrogen fertilizersInfluence of nitrogen on grain grade index and some yield related physiological characteristics in rice (Oryza sativa L.)Article