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Pages 495-500

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From page 495...
... His research work includes studies of the contribution of fertilizers to pollution, effect of large-scale agricultural development on water resources, nonpoint source pollution, pollutant removal effectiveness and the hydraulics of wetland filter areas, effect of erosion on soil productivity, the influence of riparian vegetation on water quality, and the impact of land drainage on estuarine habitat. PETER MARK GROFFMAN is an associate scientist at the Institute of Ecosystem Studies, MilIbrook, New York.
From page 496...
... Research areas in which she has worked include natural resources and environmental economics, agricultural impacts on ground- and surface water, soil conservation, and land use.
From page 497...
... His research has focused primarily on management of drainage water in crop production. He directs national research programs including soil management and erosion, water quality and management, and watershed engineering.
From page 498...
... Research in which he has been involved includes risk management, economics of soil conservation, economies of size in agriculture, economics of low-input agriculture, agricultural and environmental policy, agricultural development, and farming systems. About the Cartoonist I


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