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Conservation Tillage Systems Threatened by Herbicide-Resistant Weeds

Southeastern growers know all too well the path of destruction left by glyphosate-resistant weeds. Now this scourge of farmers everywhere is threatening the advancement of conservation tillage.

This trend could have an even greater impact in states like Alabama, where conservation tillage systems are being used to help bolster anemic soils.

“In Alabama, we have a lot of highly erodible soils with organic matter of about ½ percent on most of them,” says Andrew Price, weed scientist with the USDA-ARS National Soil Dynamics Laboratory in Auburn, Ala. “Conservation systems are intended to increase that organic matter which in turn impacts productivity on those soils.”

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