Contents
Editor’s Desk
Embracing short-term practical goals and longer term research advances
Mark Anderson-Wilk, editor
Your Letters
Readers’ forum
Home Front
Assessing technical assistance programs
Craig A. Cox, executive director of the Soil and Water Conservation Society
Viewpoint
Public-private sector technical assistance should be nurtured
Dennis Pate, Validus Services, LLC
In the News
Conservation news you can use
Feature
Improving conservation planning for extreme events
Craig Cox
Conservation in Action
Manure digesters—a sound solution?
Joseph Hart
Special Section Introduction
Managing drainage ditches for water quality
Peter J.A. Kleinman
Special Section: Drainage Ditches
Improved management of agricultural drainage ditches for water quality protection: An overview
B.A. Needelman, P.J.A. Kleinman, J.S. Strock, and A.L. Allen
Hydrology and groundwater nutrient concentrations in a ditch-drained agroecosystem
P.A. Vadas, M.S. Srinivasan, P.J.A. Kleinman, J.P. Schmidt, and A.L. Allen
Managing natural processes in drainage ditches for nonpoint source nitrogen control
J.S. Strock, C.J. Dell, and J.P. Schmidt
Managing natural processes in drainage ditches for nonpoint source phosphorus control
A.N. Sharpley, T. Krogstad, P.J.A. Kleinman, B. Haggard, F. Shigaki, and L.S. Saporito
The role of ditch soil formation and redox biogeochemistry in mitigating nutrient and pollutant losses from agriculture
B.A. Needelman, D.E. Ruppert, and R.E. Vaughan
Ditch plant response to variable flooding: A case study of Leersia oryzoides (rice cutgrass)
S.C. Pierce, S.R. Pezeshki, and M.T. Moore
Dynamics of phosphorus transfers from heavily manured Coastal Plain soils to drainage ditches
P.J.A. Kleinman, A.L. Allen, B.A. Needelman, A.N. Sharpley, P.A. Vadas, L.S. Saporito, G.J. Folmar, and R.B. Bryant
Nitrogen export from Coastal Plain field ditches
J.P. Schmidt, C.J. Dell, P.A. Vadas, and A.L. Allen
Phosphorus in agricultural ditch soil and potential implications for water quality
E.J. Dunne, K.A. McKee, M.W. Clark, S. Grunwald, and K.R. Reddy
Effect of ditch dredging on the fate of nutrients in deep drainage ditches of the Midwestern United States
D.R. Smith and E.A. Pappas
Effects of dredging an agricultural drainage ditch on water column herbicide concentration, as predicted by fluvarium techniques
E.A. Pappas and D.R. Smith
Removing dissolved phosphorus from drainage ditch water with phosphorus sorbing materials
C.J. Penn, R.B. Bryant, P.J.A. Kleinman, and A.L. Allen
Two-stage channel systems: Part 1, a practical approach for sizing agricultural ditches
G.E. Powell, A.D. Ward, D.E. Mecklenburg, and A.D. Jayakaran
Two-stage channel systems: Part 2, case studies
G.E. Powell, A.D. Ward, D.E. Mecklenburg, J. Draper, and W. Word
Geometry of inset channels and the sediment composition of fluvial benches in agricultural drainage systems in Ohio
A.D. Jayakaran and A.D. Ward
Management alternatives to enhance water quality and ecological function of channelized streams and drainage canals
R.O. Evans, K.L. Bass, M.R. Burchell, R.D. Hinson, R. Johnson, and M. Doxey
