1. The influence of application method on the control of black-grass (Alopecurus mysuroides Huds.) in winter cereals by post-emergence applications of a range of herbicides;Ayres,1978
2. Monthly Digest of Statistics May 1984;Central Statistical Office,1984
3. Models of yield loss-weed density relationships;Cousens,1984
4. Population dynamics of annual grass weeds;Cussans,1982
5. The economic significance of weeds in the harvesting of grain;Elliott,1980