WEED MANAGEMENT: Biological control methods (grazing, predators, parasites) have typically been the preferred method of noxious ween control, but scientists are learning that to be successful, we must use an integrated approach and a combination of methods including: prevention (seed dispersal, irrigation management), mechanical (cutting, mowing, hand pulling, burning)< cultural (crop rotation, mulching), and chemical (weed oils, herbicides). Problems arise with all of these methods when they are applied individually. One example is grazing cattle. It may work well as a biological control method, but the cattle need to be quarantined for five days, otherwise, the seed may be redistributed elsewhere through their excrement.
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