“ ‘We know that good sequential herbicide treatments cost about $35 to $40 an acre to apply,’ explains Ed Schweizer, USDA weed control specialist, Colorado State University, ‘whereas hoeing, if you have a heavy weed infestation, may cost $60 to $100 an acre.’
“His research shows that it takes only 2 to 6 weeds per 100 feet of beet row to reduce yields. ‘We also know where a grower uses sequential herbicide treatments, his rows could have more than 6 weeds per 100 feet without suffering serious yield loss because weed growth is suppressed and less competitive,’ he points out. . . .
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