Beyond CNMPs: New Directions in Nutrient Management
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Transcript of Beyond CNMPs: New Directions in Nutrient Management
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Beyond CNMPs:New Directions in Nutrient
Management11-30-2010
Eric G. Hurley, Nutrient Management SpecialistUSDA-Natural Resources Conservation Service
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Natural Resources Conservation Service 2
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Nutrient Delivery to the Gulf of Mexico
Natural Resources Conservation Service 5
(A) Total Nitrogen (B) Total Phosphorus
Alexander, et al, Environ. Sci. Tech., 2008
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Why Update?
Natural Resources Conservation Service 6
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Des Moines Water Works has the largest nitrate removal facility in the world
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Conservation Effects Assessment ProjectUpper Mississippi River Basin report, June
2010http://
www.nrcs.usda.gov/technical/nri/ceap/umrb/index.htmlMissouri River report is expected soon
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Drivers in Iowa Nutrient MgtHypoxia in the GulfIowa drinking water qualityQuality of Iowa’s lakes and streamsManure stinks
Economics?
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ResponseNational Nutrient Management Strategy
EQIP implementation released 9/1/2010Strategy released 10/15/2010Based around a set of core practices (Basic &
Enhanced)
Mississippi Basin River Initiative$80 million/year for four yearsEnhanced EQIP paymentsAll EQIP contracts must include nutrient
management
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ResponseIowa Nutrient Reduction Strategy
The Iowa Department of Agriculture and Land Stewardship requested assistance from Iowa State University to: Define technical options to reduce Iowa’s export of
nutriens Determine how to implement a control effort
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What’s New in Iowa?Focus on nitrogen along with phosphorusFocus on all nutrient inputs along with
manureLook at many other treatment options
Nutrient treatment wetlandsCover cropsPerennials in rotationBioreactors
Engage many more producersStill very much a work in progress
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www.isafarmnet.com
Eric G. HurleyNutrient Management Specialist
USDA-Natural Resources Conservation Service210 Walnut ST, Room 693
Des Moines IA 50309515-284-4370