Using 15N isotope technology to study Ndff in rubber tree (Hevea brasiliensis) seedlings applied with different nitrogen fertilizers - Guo H C 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. 148-156.)
Keywords: 15N; Leaf; Ndff; Rubber tree