Urea as a source of nitrogen for rubber plantations in Sri Lanka I.. a review and preliminary observations

Yogaratnam, N.2013-05-082013-05-081981Journal of the Rubber Research Institute of Sri Lanka59pp.13-19https://dl-rri.nsf.gov.lk/handle/1/1514AgricultureRubberNitrogen fertilizersUrea as a source of nitrogen for rubber plantations in Sri Lanka I.. a review and preliminary observationsA