Size Matters in Weed Control
Pam Smith DTN\Progressive Farmer Crops Technology Editor
Tue May 1, 2012 06:22 AM CDT

DECATUR, ILL. (DTN) -- It could be a challenging year in the weed department. The extended planting season promises to put residuals to the test. With resistant weeds continuing to crop up across the landscape, the pressure is on to make each herbicide application timely and effective.

"The big concern for us is reduced versus full rates of residuals and how long they will last," said Bill Johnson, Purdue University weed scientist. "I'm also worried that we haven't had enough rain to get many of the ... (pre-emergents) activated."

The same conditions that make crops grow also encourage weed growth. ...

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