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Preemergent herbicides are a form of chemical weed control which prevent germinated weed seedlings from becoming established. In some areas of the world, they are used to prevent crabgrass from appearing in lawns. [1] Preemergent herbicides are applied to lawns in the spring and autumn, to prevent the establishment of weed seeds. They will not ...
Trifluralin is a common pre-emergent selective herbicide, a dinitroaniline.With about 14 million pounds (6,400 t) used in the United States in 2001, [3] and 3–7 million pounds (1,400–3,200 t) in 2012, [4] it is one of the most widely used herbicides.
Pendimethalin protects crops like wheat, corn, soybeans, potatoes, cabbage, peas, carrots, and asparagus. It is used to control annual grasses and certain broadleaf weeds which interfere with growth, development, yield and quality of agricultural and horticultural crops by competing on nutrients, water and light.
Weed killers or herbicides are made with chemicals that can be harmful to people, wildlife, and the environment. ... which has been linked to cancer in dogs and non-Hodgkin's lymphoma in children ...
The LD 50 for dogs, rats, rabbits, and female mice were each 1000 mg/kg, 5000 mg/kg, 2000 mg/kg, and 2363 mg/kg, respectively. Chronic toxicity studies were also conducted upon rabbits, rats, and beagle dogs. Chronic dermal exposure to imazaquin in rabbits during a 21-day time period yielded no effects upon the rabbits.
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