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Show t. Fall Is Real Time To Control Weeds Late fall Is the ideal time to control weeds in certain places with chemicals, reminds re-minds Extension Agronomist Louis A. Jensen of Utaha State University. He explains that there are many different weed chemicals chemi-cals to choose from. The best one to use depends upon the kind of weed you want to kill and where they are growing. grow-ing. For example, Atrazin.3 works well on quackgrass, Si-mazine Si-mazine on various annual weeds, monuron (Telvar) on Bermudagrass, Tordon or TBA on morning glory, Tordon on Canada Thistle. Some herbicides or weed chemicals are designed to kill the weeds by being applied to the soil. Precipitation carries car-ries them down into the root zone where they are absorbed by the weed roots and kill the weeds. This type of weed control con-trol is popular around buildings, build-ings, in small irrigation ditches, along ditch banks and fence lines and spot treatment treat-ment In cropland. Your USU Extension Agent can help you with your fall weed control. Ask him for a free copy of "Chemical Weed Control Guide, Utah 1968." Before using any weed chemical, read the label carefully care-fully and take note of the precautions. pre-cautions. For example, new restrictions prohibit the use of Tordon and TBA on cropland. crop-land. Also, be particularly careful not to kill or injure nearby crops, trees or shrubs. |