Manipulation of canopy structure in arable crops : proceedings of a meeting held at the AFRC Institute of Arable Crops Research, Rothamsted Experimental Station, Harpenden, Herts, on Wednesday, 19 September, 1990 /
Child, R. D.
Pinfield, N. J.
British Society for Plant Growth Regulation.
Bristol : British Society for Plant Growth Regulation,
1991.