Use of 15N as tracer to study the uptake efficiency of urea applied to rubber seedlings in the nursery - Prasannakumari P; George S; Jessy M D; Meti S (PLACROSYM XIX, 7-10 December 2010, Kottayam. Climate Change. 19th Biennial Symposium on Plantation Crops. Abstracts.pp.102-104.)
Keywords: 15N tracer methodology; Labelled urea; N-utilization; Seedling nursery