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	<title>Amaranthus retroflexus &#8211; BIOENGINEER.ORG</title>
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		<title>Cotton Weed Killer Works Best When Farmers Get the Timing Right, Study Finds</title>
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				<category><![CDATA[Agriculture]]></category>
		<category><![CDATA[Amaranthus retroflexus]]></category>
		<category><![CDATA[antioxidant enzymes]]></category>
		<category><![CDATA[broadleaf weeds]]></category>
		<category><![CDATA[cotton]]></category>
		<category><![CDATA[Crop yield]]></category>
		<category><![CDATA[herbicide timing]]></category>
		<category><![CDATA[oxidative stress]]></category>
		<category><![CDATA[phytotoxicity]]></category>
		<category><![CDATA[plant physiology]]></category>
		<category><![CDATA[pyrithiobac sodium]]></category>
		<category><![CDATA[Solanum nigrum]]></category>
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					<description><![CDATA[New field and pot trials show the herbicide pyrithiobac sodium can suppress more than 85 percent of key broadleaf weeds in cotton, but only when dose and application timing are carefully matched to the crop's growth stage.]]></description>
		
		
		
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