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Date: 2012-11-12 10:15:03United States Department of Agriculture Energy crops Conservation in the United States Agroecology Conservation Reserve Program Crop rotation Maize Soybean Base acreage Agriculture Food and drink Sustainable agriculture | Microsoft Word - 07-WP_447.docAdd to Reading ListSource URL: publications.iowa.govDownload Document from Source WebsiteFile Size: 498,61 KBShare Document on Facebook |