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Date: 2000-01-25 09:04:16Functional groups Agricultural chemicals Urea Nitrogen Ammonium nitrate Soil acidification Ammonia UAN Ammonium Chemistry Nitrogen metabolism Fertilizers | National Department of Agriculture Fertilizer Society of South Africa IN FO PA K OURCE CENT RAdd to Reading ListSource URL: www.howtomakeeverything.comDownload Document from Source WebsiteFile Size: 166,89 KBShare Document on Facebook |