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Atrazine is a chlorinated herbicide of the triazine class. [2] It is used to prevent pre-emergence broadleaf weeds in crops such as maize (corn), [3] soybean [3] and sugarcane and on turf, such as golf courses and residential lawns.
It is selective for plants with broad leaves, and this includes most deciduous trees. Clovers are tolerant at moderate application levels. It is currently classified as a restricted use pesticide in the United States : its use is mapped by the US Geological Survey , whose data show consistent use from 1992, with a small recent decline in the ...
Because most herbicides could not kill all weeds, farmers rotate crops and herbicides to stop the development of resistant weeds. A 2008–2009 survey of 144 populations of waterhemp in 41 Missouri counties revealed glyphosate resistance in 69%. Weeds from some 500 sites throughout Iowa in 2011 and 2012 revealed glyphosate resistance in ...
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It’s unclear what will happen to atrazine under the incoming Trump administration. In 2020, the prior Trump administration raised the safety threshold even higher — to 15 micrograms per liter.
Understanding the various types of weeds in lawns is crucial, as these unwanted plants grow profusely and pose significant aesthetic problems. Moreover, they deprive your more desirable plants of ...