Use of 15N as an isotope traceer to study the rubber tree (Hevea brasiliensis): Uptake efficiency of N fertilizer applied at different stages - Wenbin Wang; Wei Luo; Xiaoping Wu; Xuehua Iuo; Zuhong Wen (Preprints of papers: International Natural Rubber Conference, 6-8 November 2005, Cochin, India, p.176-182.)
Keywords: Isotope tracer