Citation

Vallis I , Haydock KP , Ross PJ Henzell EF (1967) Isotopic studies on the uptake of nitrogen by pasture plants. III. The uptake of small additions of ¹⁵N-labelled fertilizer by Rhodes grass and Townsville lucerne. Australian Journal of Agricultural Research 18, 865-877.

https://doi.org/10.1071/AR9670865