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Research Project:
Watershed Management Systems for Improved Water Quality in the Mississippi Delta
Location:
Water Quality and Ecology Research
Project Number: 6408-13660-004-00
Project Type:
Appropriated
Start Date: Apr 13, 2002
End Date: Apr 12, 2007
Objective:
Develop farming systems that increase productivity and profitability while improving water quality and ecology in the Mississippi Delta. Increase the knowledge of design and evaluate economical environmentally sound Best Management Practices (BMPs) as components of farming systems. Determine edge-of-field water quality affects by retention structures, specifically slotted-board risers. Evaluate poultry litter-utilizing cropping systems for the improvement of water quality.
Approach:
Multi-level/multi-agency studies using closed systems consisting of small Delta oxbow lakes and the entire surrounding watersheds will be used to develop and evaluate innovative farming systems to improve water quality and lake ecology. Within field, edge of field, and lake management practices will be used in various combinations to improve watershed ecology and provides vital information needed to meet water quality goals and standards. Riparian zone and constructed wetland evaluations are included. Collect surface water from selected field drainage. Sampling sites consist of automatic sampler, bubbler flow meter with flow metering insert. Practices include: slotted-pipes, stiff-grass hedges, tile drainage, and conservation tillage. Slotted-board risers to evaluate trapping efficiencies of sediments and agrichemicals. Comparison of WQ within pond to runoff from crop rows. Poultry litter in split applications to plots at Holly Springs under various tillage practices. Sample both surface and shallow groundwater for nutrients.
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