Studies of change trend on the nutrients of rubber plantation in Dongfeng farm - Liping Yang et al (Climate Change, Low Carbon Economy and Sustainable Natural Rubber Industry: Preprints of Proceedings of IRRDB International Rubber Conference 2010, 18-19 October 2010 Sanya, Hainan, China, pp. 523-528.)
Keywords: Leaf nutrient; Nutrient; Soil nutrient; Stimulated tapping systems