Weed management in wheat fields in the cold winter desert of Uzbekistan
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The extent of damage due to weeds depends on the type of weeds, crop stage, and duration of competition between weeds and wheat crop. In an early (September) planted wheat crop, weeds can be a problem before winter and should be controlled. A greater weed problem occurs in spring after winter rainfall and when not possible to walk in the field. Weed infestation that occur before winter can become a serious problem in early spring making it difficult to control due to high density and extensive growth of both weeds and wheat crop