Searching Books & More : "Agriculture--Environmental aspects"

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Effects of agricultural best-management practices on the Brush Run Creek headwaters, Adams County, Pennsylvania, prior to and during nutrient management

Published: Lemoyne, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Open-File Reports Section [distributor], 1996
Format: Print
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Evaluation of agricultural best-management practices in the Conestoga River Headwaters, Pennsylvania : effects of nutrient management on quality of surface runoff and ground water a small carbonate-rock site near Ephrata, Pennsylvania, 1984-90

Published: Lemoyne, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, Colo. : Branch of Information Services [distributor], 1997
Format: Print
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