Yoneyama, T and Nambiar, P T C and Lee, K K and Srinivasa Rao, B and Williams, J H
(1990)
Nitrogen accumulation in three legumes and two cereals
with emphasis on estimation of N2 fixation in the legumes
by the natural15 N-abundance technique.
Biology and Fertility of Soils, 9 (1).
pp. 25-30.
ISSN 0178-2762