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United States Department of Agriculture

Agricultural Research Service

Research Project: CONSERVATION SYSTEMS RESEARCH FOR IMPROVING ENVIRONMENTAL QUALITY AND PRODUCER PROFITABILITY

Location: National Soil Dynamics Laboratory

Project Number: 6420-12610-003-00
Project Type: Appropriated

Start Date: May 02, 2006
End Date: May 01, 2011

Objective:
Develop conservation tillage systems technologies for Southeastern soils (Coastal Plain, Tennessee Valley, Piedmont, and Blackbelt) that improve soil quality, increase plant available water, improve profitability, and conserve natural resources. Specific objectives include: (1) develop cover crop management technologies that enhance soil protection from rainfall events, increase soil organic matter accumulation, and suppress weeds; (2) develop and evaluate row crop production technologies that enhance sustainability, productivity, and environmental quality of degraded soils and increase plant available water; and (3) integrate new components and technologies into conservation management systems that reduce soil erosion, drought stress, and risk associated with production agriculture.

Approach:
Coordinated plot and field-scale studies will be implemented to develop strategies for managing soils to reduce economic risks of short-term drought and increase farm profitability, improve soil quality, and enhance carbon storage. Problems include: (1) increasing crop rooting depth; (2) improving soil properties associated with infiltration and water retention; (3) developing decision aides for improved soil and water management and increased profitability; (4) developing integrated weed management strategies through improved understanding of interactions between cover crop residue and weed biology/ecology; (5) developing design principles for improved implements that facilitate management of cover crops, soil compaction, and high-residue conservation cropping systems; and (6) assess and predict economic viability of conservation practices.

Last Modified: 4/19/2014
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