 got back at it and problem was by then the ground was really full so anytime you got any sizable amount of rain it drove you back out of the field. A weed scientist at the University of Missouri says consistent rains continue to make post-emergence weed control a challenge. Brownfields Kara Hart has more. Kevin Bradley says there's been more than 10 inches of rain in central Missouri this month which will encourage more weeds to grow. That's on top of an already tough year for weed management.