. The model is applied to a base set of parameter values that represent reasonable values for a hypothetical weed. The …

Leafy spurge is an exotic, noxious, perennial weed which is widely established in the north central United States and … agents (insects) at TLS-sponsored events, as well as County Weed Boards in North Dakota, South Dakota, Montana, and Wyoming … and County Weed Boards have utilized biocontrol agents as part of their leafy spurge control efforts, as well as collected …

When a weed invasion is discovered a decision has to be made as to whether to attempt to eradicate it, contain it or do … in making the best decision. This paper presents a model to decide when immediate eradication of a weed should be … attempted, or whether weed control should be attempted at all. The technique is based on identifying two 'switching points': the …

farmers’ weed management practices and is presented in the form of a case study of small-scale farmers’ use of labor and … herbicides in weed management practices. Over 200 structured interviews were conducted with coffee farmers concerning their use … of hired labor and family labor, weed management activities, support services, and expectations about the future of their …

variability and weed infestation within paddocks at specified capture times. The detection of areas of crop growth variability can … to changes in soil or management conditions. For instance, the early detection of weed infestation within cereal crops is … four individual bands (blue, green, red and near- infrared) of the DMSI were correlated with LAI and weed density counts …

to control weed infestations. These methods of control have been applied alternatively, with little consideration of the …, strategic, ecological and economical approach to weed management is needed. A deterministic dynamic programming model is … developed for this purpose in this paper. A case study for the environmental weed scotch broom is presented, to assess the ways …

Leafy spurge is an exotic, noxious, perennial weed which is widely established in the north central United States and … changes in land managers' perceptions of weed problems, control alternatives, and related issues, and (2) evaluate the impact … of the TEAM Leafy Spurge project on the respondent's weed control practices. The impacts of noxious weeds on grazing …