1. Weed Control Economics;Auld,1987
2. Frequency distribution of weed counts and applicability of a sequential sampling method to integrated weed management;Berti;Weed Res.,1991
3. The economics of herbicide use in cereal crops in New Zealand;Bourdôt;N.Z. J. Expl Agric.,1988
4. Evolution de la flore adventice du mais en Frioul (Italie Nord-Orientale) et rôle de la monoculture;Cantele,1984
5. Using economic thresholds for weeds in soybean;Coble,1989