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Residue Prevents Phosphorus RunoffWASHINGTON - Jul 8/04 - SNS -- USDA researchers believe a water treatment residue will make a good soil treatment and will help prevent phosphorus runoff from farms. Agricultural Research Service soil scientist Jeffrey M. Novak at the agency's Coastal Plains Soil, Water and Plant Research Center in Florence, S.C., is studying an alum-based water-treatment residual that increases soil's capacity to bond phosphorus, a vital plant nutrient. The studies, done in collaboration with Ray Bryant, research leader at the ARS Pasture Systems and Watershed Management Research Unit in University Park, Pa., may benefit states along the nation's mid- to-southern-Atlantic seaboard, where sandy soils generally take up and hold less phosphorus than finer-textured soils. Subscribers can read the full text of the article by Clicking here
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