Advance note on research. The effect of a paraquat-treated grass mulch on the rate of emergence and growth of barley, rape, etc. (Reprinted ... from the journal of the British Grassland Society, vol. 20, no. 3, 1965. pp. 188-189.).
Warboys, Ivan B.
Ledson, Susan.
[Aberystwyth, 
1965]
Joint authors: Ivan B. Warboys and Susan Ledson.