Dense stands of brush and weeds use vast quantities of water, reduce forage production and contribute to erosion. If rangelands are to reach their productive potential, noxious plants need to be managed effectively. Herbicides can be effective, economical and efficient methods for controlling brush and weeds and improving and maintaining rangelands. This circular lists current suggestions for herbicides to control woody and herbaceous weeds on rangeland. Some herbicides provide a high degree of control of certain species and a reduced degree of control of other species.
Chemical Weed and Brush Control for New Mexico Rangelands
NMSU: Chemical Weed and Brush Control for New Mexico Rangelands
This problem is widespread with a major portion of plantation establishment cost going toward controlling undesirable stems left after harvest or on plants that quickly invade a harvested site. In many cases, failure to control competing vegetation results in excessive loss of planted pine seedlings. Since site preparation treatments involve considerable expense, landowners want the most effective treatment for their investments. Farmers have been using tank mixtures for many years, but the concept is comparatively new in forestry. The search for the optimum combination of herbicides is an ongoing process. Agricultural fields demonstrate that not all mixtures are good, and sometimes adding one chemical to another can actually decrease the effectiveness of both herbicides. Thousands of acres are treated annually with tank mixtures using imazapyr for site preparation and release.
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