Uptake of foliar or soil application of N-15-labelled urea solution at anthesis and its affect on wheat grain yield and protein.

Rawluk, C.D.L., Racz, G.J., and Grant, C.A. (2000). "Uptake of foliar or soil application of N-15-labelled urea solution at anthesis and its affect on wheat grain yield and protein.", Canadian Journal of Plant Science, 80(2), pp. 331-334.