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Author :
Publisher :
ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (31 download)
Download or read book Selected Papers on Agricultural Chemicals in Water Resources of the Midcontinental United States written by and published by . This book was released on 1993 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. A. Goolsby
Publisher :
ISBN 13 : 9780788108440
Total Pages : 89 pages
Book Rating : 4.1/5 (84 download)
Download or read book Selected Papers on Agricultural Chemicals in Water Resources of the Midcontinental U. S. written by D. A. Goolsby and published by . This book was released on 1994-05-01 with total page 89 pages. Available in PDF, EPUB and Kindle. Book excerpt: Includes six papers covering agricultural chemicals in water resources in the Midwestern U.S.: occurrence, distribution, & transport of ag. chemicals in surface waters; annual use & transport of ag. chemicals in the Mississippi River; relation of nitrate concentrations in surface water to land use in the upper-Midwestern U.S.; persistence of herbicides in selected reservoirs in the Midwestern U.S.; pesticides in near-surface aquifers; & occurrence, deposition, & long-range transport of herbicides in precipitation. Illustrated.
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ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (319 download)
Download or read book Water-resources Investigations Report written by and published by . This book was released on 2003 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Virgil Ball
Publisher : Springer Science & Business Media
ISBN 13 : 1461508517
Total Pages : 337 pages
Book Rating : 4.4/5 (615 download)
Download or read book Agricultural Productivity written by Virgil Ball and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: Agricultural Productivity: Measurement and Sources of Growth addresses measurement issues and techniques in agricultural productivity analysis, applying those techniques to recently published data sets for American agriculture. The data sets are used to estimate and explain state level productivity and efficiency differences, and to test different approaches to productivity measurement. The rise in agricultural productivity is the single most important source of economic growth in the U.S. farm sector, and the rate of productivity growth is estimated to be higher in agriculture than in the non-farm sector. It is important to understand productivity sources and to measure its growth properly, including the effects of environmental externalities. Both the methods and the data can be accessed by economists at the state level to conduct analyses for their own states. In a sense, although not explicitly, the book provides a guide to using the productivity data available on the website of the U.S. Department of Agriculture/Economic Research Service. It should be of interest to a broad spectrum of professionals in academia, the government, and the private sector.
Author : U.S. Geological Survey Toxic Substances Hydrology Program. Technical Meeting
Publisher :
ISBN 13 :
Total Pages : 498 pages
Book Rating : 4.3/5 (121 download)
Download or read book U.S. Geological Survey Toxic Substances Hydrology Program written by U.S. Geological Survey Toxic Substances Hydrology Program. Technical Meeting and published by . This book was released on 1999 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : U.S. Geological Survey Toxic Substances Hydrology Program. Technical Meeting
Publisher :
ISBN 13 :
Total Pages : 510 pages
Book Rating : 4.3/5 (91 download)
Download or read book U.S. Geological Survey Toxic Substances Hydrology Program: Contamination of hydrologic systems and related ecosystems written by U.S. Geological Survey Toxic Substances Hydrology Program. Technical Meeting and published by . This book was released on 1999 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Dana W. Kolpin
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (121 download)
Download or read book Postflood Occurrence of Selected Agricultural Chemicals and Volatile Organic Compounds in Near-surface Unconsolidated Aquifers in the Upper Mississippi River Basin, 1993 written by Dana W. Kolpin and published by . This book was released on 1995 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The historic stream flooding and intense rainfall across the upper Mississippi River Basin during summer 1993 had an immediate effect on near-surface unconsolidated aquifers by raising the water levels closer to the land surface. The objective of this study was to determine if this flooding also had immediate effects on ground-water quality. Water samples were collected during September and October 1993 from 110 wells completed in near-surface unconsolidated aquifers and were analyzed for herbicides, herbicide metabolites, inorganic nutrients, and volatile organic compounds. The results of these samples were compared with those obtained during summer 1991 or 1992. Water samples from the Missouri River alluvial aquifer had a fourfold increase in the frequency of herbicide detection. There also appears to be a relation between increases in total herbicide concentration and the occurrence of stream flooding near a well. Water samples from wells that had at least a 20% increase in dissolved-oxygen concentration had the greatest frequency of substantial changes in total herbicide concentration and substantial increases in nitrate concentration.
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ISBN 13 :
Total Pages : 622 pages
Book Rating : 4.:/5 (319 download)
Download or read book U.S. Geological Survey Circular written by and published by . This book was released on 1984 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 622 pages
Book Rating : 4.F/5 ( download)
Download or read book U.S. Geological Survey Open-file Report written by and published by . This book was released on 1996 with total page 622 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1994 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 756 pages
Book Rating : 4.:/5 (31 download)
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1994-10 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. D. Frankforter
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.3/5 (121 download)
Download or read book Potential Effects of Large Floods on the Transport of Atrazine Into the Alluvial Aquifer Adjacent to the Lower Platte River, Nebraska written by J. D. Frankforter and published by . This book was released on 1997 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Steven J. Larson
Publisher :
ISBN 13 :
Total Pages : 104 pages
Book Rating : 4.3/5 (121 download)
Download or read book Pesticides in Streams of the United States written by Steven J. Larson and published by . This book was released on 1999 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : G. V. Steele
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.3/5 (121 download)
Download or read book Reconnaissance of Surface-water Quality in the North Platte Natural Resources District, Western Nebraska, 1993 written by G. V. Steele and published by . This book was released on 1997 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Douglas J. Schnoebelen
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (319 download)
Download or read book Water-quality Assessment of the Eastern Iowa Basins written by Douglas J. Schnoebelen and published by . This book was released on 2003 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jeffrey M. Giddings
Publisher : SETAC
ISBN 13 : 1880611783
Total Pages : 433 pages
Book Rating : 4.8/5 (86 download)
Download or read book Atrazine in North American Surface Waters written by Jeffrey M. Giddings and published by SETAC. This book was released on 2005 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 124 pages
Book Rating : 4.3/5 (121 download)
Download or read book Effects of Ground-Water Withdrawals on the Rock River and Associated Valley Aquifer, Etc., U.S. Geological Survey, Water-Resources Investigations Report 99-4157, 2000 written by and published by . This book was released on 2000 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
