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- Sharpley, A.N.; Smith, S.J.; Naney, J.W.
- Journal of agricultural and food chemistry 1987 v.35 no.5 pp. 812-817
- nitrogen fertilizers; phosphorus fertilizers; runoff; water pollution; groundwater contamination; watersheds; eutrophication; water quality; pollution; environmental impact statements; Oklahoma; Texas
- ... The impact of fertilizer application on the amount of nitrogen (N) and phosphorus (P) in surface runoff from 20 watersheds and ground water from 45 shallow wells (<20-m water tables) has been assessed for the past several years on agricultural land in the Southern Plains. The major proportion of N and P transported in surface runoff was in the particulate form (averaging 64 and 75%, respectively). ...