Transforming Drainage - Association Management, …Drainage water recycling: subirrigation There are...
Transcript of Transforming Drainage - Association Management, …Drainage water recycling: subirrigation There are...
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Transforming Drainage:Managing Water for Tomorrow’s Agriculture
Chris HayIowa Soybean Association
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Managing Water for Increased Resiliency of Drained Agricultural Landscapes
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The project covers 10 states
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Issue 1: Nutrient loss from tile drainage is causing issues of national concern
Photo: Dan Jaynes
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Issue 2: Despite excess water in spring, yields are often limited by lack of water in late summer
Photo: Jane Shotaku
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Both issues are expected to worsen with current climate trends
Photo: Jane ShotakuPhoto: USB
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Retaining drained water at the farm and field level addresses
both these issues
Photo: Dan Jaynes
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Long term vision:
The process of designing and implementing ag drainage will be
transformed to include water retention and even water recycling
Photo: USDA NRCS
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Where can we store water in landscapes like this?
Photo: Dan Jaynes
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Drainage water storage can be stored:
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We can store water in the field
Photo: TransformingDrainage.org
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Controlled drainage
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We can store water at the edge of the field
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Saturated buffers
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We can store water in ponds or reservoirs
Photo: TransformingDrainage.org
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Drainage water recycling: traditional irrigation
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Drainage water recycling: subirrigation
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There are few examples of drainage water recycling
Photo: TransformingDrainage.org
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And little published research on drainage water recycling
Graphic: USDA ARS
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Storing water in the soil: soil health initiatives emphasize water holding capacity
Photo: USDA NRCS
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Storing water in ditches: two-stage ditches
Graphic: Christianson et al. (2016)
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Project goals are to convert research results into usable tools and information
Strengthen and Broaden the Network (Researchers, Industry, Contractors, Agencies)
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Research sites are a mix of new, existing, and historical
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Each site has a site summary
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Site data are stored in database building on the Corn Systems Coordinated Ag Project
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The database now holds 186 site-years of data from
historic and current drainage projects
Example: 5 years of Nitrate-N at DPAC under free and controlled drainage
Example: Reduction of nitrate loss due to controlled drainage
Next step: Synthesis across sites
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Indiana
Ohio
Iowa
Example: drain flow across three sites
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Modeling will allow us to extend the results across space and time
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Decision support tools will assist end users in implementing practices
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“If we’re going to transform drainage, we need partners”
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Norm Fausey, USDA-ARSKevin King, USDA-ARSBarry Allred, USDA-ARSJeppe Kjaersgaard, MN Dept. Ag.Thomas Scherer, North Dakota StateGary Sands, U of MNKen Kraemer, U of MNRichard Cooke, U of ILMark Tomer, USDA-ARSChris Hay, Iowa Soybean Association
The project has a process for adding formal collaborators
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Bob Clark, Clark Farm Drainage; Land Improvement Contractors of America (LICA)
Brian Hicks, Farmer and research collaborator
Charlie Schafer, Agricultural Drainage Management Coalition
Dave De Geus, The Nature Conservancy
Jim Gulliford, Soil and Water Conservation Society
Dr. Wayne Skaggs, North Carolina State University
Alex Echols,EcosystemServices Exchange; Sand County Fdn
Dr. Jerry Hatfield,Midwest Climate Hub, ARS National Lab for Ag & Env
Dr. Gwen White, U.S. Fish and Wildlife LCC
Katie FlahiveUSEPA Office of Water
Rob Sampson, USDA Natural Resources Conservation Service
The advisory committee represents diverse and influential stakeholders
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The expanding network includes influential drainage groups
Ag Drainage Management Systems Task Force
Ag Drainage Management Coalition
NCERA-217 Multi-state research and extension activity
Led the 10th International Drainage Symposium (Minneapolis, 2016) with record-participation from 10 countries
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The vision: Transforming Drainage
The process of designing and implementing agricultural drainage will be transformed to include water retention
and even water recycling.
Photo: Dan Jaynes
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In summary:• Retaining water addresses
water quality and production goals
• Project is researching three practices for water retention
• Tools and information from the project will aid implementation
Questions?
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