An experiment to test the influence of date and depth of sowing on four of the chief grasses and on white clover. Reprinted ... from the Journal of the British Grassland Society, vol. 3, no. 4, etc.
Stapledon, Reginald George,Sir.
Wheeler, Dorothy E.
Aberystwyth, 
[1949]
Joint authors: Sir Reginald George Stapledon and Dorothy E. Wheeler.