Water Quality Assessments in the Mississippi Delta Regional Solutions, National Scope

by Nett, Mary T.; Locke, Martin A.; Pennington, Dean A.

• ISBN13: 9780841238121
• ISBN10: 084123812X
• Format: Hardcover
• Copyright: 2004-05-06
• Publisher: American Chemical Society

Summary

All 50 states are implementing mandates of Total Maximum Daily Load (TMDL) assignments for contaminants likely to impact water in the United States, making water quality management a timely topic. TMDL criteria are a new initiative under the Clean Water Act and of critical importance toagricultural producers and state and federal regulators. Unfortunately, few precedents for assignment of pollutant maxima exist. This volume will show what one state (Mississippi) is doing to determine the most cost-effective and reliable practices for reducing the potential for non-point sourcepollution of U.S. waters. Readers may be able to apply some of the lessons learned in the Mississippi Delta Management Systems Evaluation Area (MDMSEA) to their own region.

Table of Contents

Preface	xi
1. Mississippi Delta Management Systems Evaluation Area: Overview of Water Quality Issues on a Watershed Scale	1	(15)
Martin A. Locke
2. Watershed Research of the U.S. Department of Agriculture: An Evolution in Mission	16	(14)
M.J.M. Romkens and C.W. Richardson
3. Surface Water Quality in the Delta of Mississippi	30	(13)
Karrie L. Pennington
4. Agricultural Practices of the Mississippi Delta	43	(18)
Charles E. Snipes, Lisa P. Evans, Daniel H. Poston, and Steve P. Nichols
5. Evaluation of Best Management Practices in the Mississippi Delta Management Systems Evaluation Area	61	(14)
Seth M. Dabney, Yongping Yuan, and Ronald L. Bingner
6. Groundwater Nutrients in the Beasley Lake Watershed of the Mississippi Delta Management Systems Evaluation Area	75	(16)
S.M. Dabney, J.D. Schreiber, S. Smith, Jr., and S.S. Knight
7. Pesticides in Shallow Ground Water and Lake Water in the Mississippi Delta Management Systems Evaluation Area	91	(13)
S. Smith, Jr. and C.M. Cooper
8. Suspended Sediment and Agrochemicals in Runoff from Agricultural Systems in the Mississippi Delta: 1996-2000	104	(15)
Richard A. Rebich
9. Evaluation of Watershed Management Practices on Oxbow Lake Ecology and Water Quality	119	(15)
Scott S. Knight and Terry D. Welch
10. Dynamics of Herbicide Concentrations in Mississippi Delta Oxbow Lakes and the Role of Planktonic Microorganisms in Herbicide Metabolism	134	(16)
Robert M. Zablotowicz, Martin A. Locke, Robert N. Lerch, and Scott S. Knight
11. Precision Farming Technologies for Weed Control in the Mississippi Delta	150	(14)
James E. Hanks and Charles T. Bryson
12. Fluometuron Adsorption to Soil Influenced by Best Management Practices: Established Filter Strip and Riparian Zones	164	(15)
M.W. Shankle, D.R. Shaw, W.L. Kingery, and M.A. Locke
13. Spatial Variability of Cyanazine Dissipation in Soil from a Conservation-Managed Field	179	(15)
William J. Staddon, Martin A. Locke, and Robert M. Zablotowicz
14. The Role of Vegetated Drainage Ditch Research in the Mississippi Delta: Current Results and Future Directions	194	(10)
Matthew T. Moore, Charles M. Cooper, Erin R. Bennett, Sammie Smith, Jr., F. Douglas Shields, Jr., and Jerry L. Farris
15. Weed Populations as Related to Conservation Tillage and Reduced Herbicide Management Systems: Mississippi Delta Management Systems Evaluation Area	204	(14)
Charles T. Bryson and James E. Hanks
16. A Watershed Based Bioeconomic Model of Best Management Practices in Mississippi	218	(17)
Diane Hite, Walaiporn Intarapapong, and Murat Isik
17. Herbicide and Nitrate in Surface and Ground Water: Results from the Iowa Management Systems Evaluation Area	235	(16)
T.B. Moorman, J.L. Hatfield, and R.S. Kanwar
18. National Needs, Regional Solutions: The Development of Site-Specific Assessments of Pesticides in Water Resources	251	(16)
R. Don Wauchope, Timothy C. Strickland, and Martin A. Locke
Indexes
Author Index	267	(1)
Subject Index	268