Douglas Karlen
	
	
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			<h1 class="title">Douglas Karlen</h1>

			
			USDA-ARS<br>
			
			National Laboratory for Agriculture and the Environment (NLAE)<br>
			2110 University Boulevard<br>
			Ames, 
			IA<br>
			USA
			50011-3120<br>

			
				<b> Email:</b><a href="mailto:doug.karlen@ars.usda.gov" onclick="return Schedule.handleClick(this)">
				doug.karlen@ars.usda.gov</a><p>
			

			

			<b>Papers:</b><br>
			
				1:15 PM, Henry Gonzalez Convention Center, Room 213B
				<a href="Paper66613.html" onclick="return Schedule.handleClick(this)">60-2 Soil Quality Assessment: John Doran's Challenge and the Scientific Community Response.</a>
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				8:05 AM, Henry Gonzalez Convention Center, Room 217B
				<a href="Paper66139.html" onclick="return Schedule.handleClick(this)">205-1 Impact of Biochar Applications, Residue Harvesting and Traffic Intensity on Soil Quality After Three Years.</a>
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				2:00 PM, Henry Gonzalez Convention Center, Room 007A
				<a href="Paper65186.html" onclick="return Schedule.handleClick(this)">268-4 Changes in Soil Quality Indictors After 57 Years of Agriculture in a Central Texas Vertisol.</a>
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				3:45 PM, Henry Gonzalez Convention Center, Hall C
				<a href="Paper64797.html" onclick="return Schedule.handleClick(this)">272-6 Conservation Practice Effects On Soil Quality Indicators: The Fort Cobb Reservoir Case Study.</a>
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				3:45 PM, Henry Gonzalez Convention Center, Hall C
				<a href="Paper66196.html" onclick="return Schedule.handleClick(this)">299-6 Sulfur Source Response by Corn Grown On Eroded Midwestern Soils.</a>
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