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Date: 2013-01-22 15:06:54Agricultural soil science Sustainable agriculture Water pollution Nutrient management Fertilizer Nutrient budgeting Soil Precision agriculture Intensive farming Agriculture Soil science Land management | Implementing the 4Rs:Engagement, Resources & ExamplesAdd to Reading ListSource URL: www.epa.govDownload Document from Source WebsiteFile Size: 1,83 MBShare Document on Facebook |