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State Technical Meeting

Learn about the Kentucky Agriculture Water Quality Act and the requirements for developing water quality plans and nutrient management plans. Find out who needs these plans and how they can be developed.

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State Technical Meeting

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  1. State Technical Meeting February 14, 2013

  2. agenda • Ag Water Quality Plans • Nutrient Management Plans • Options for producers

  3. KY Agriculture Water Quality Act • 10+ acres in agriculture or forestry must develop a water quality plan • Anyone applying for cost share needs a water quality plan • Kentucky Soil Erosion and Water Quality Cost Share Program (State cost share) • NRCS Environmental Quality Incentives Program (EQIP) • GOAP County Ag Investment Program (CAIP)

  4. www.ca.uky.edu/awqa

  5. Livestock BMP #11/Crops BMP #14 Nutrient Management • Monitor soil fertility, so that crop needs are met while minimizing the loss of nutrients. • Provide the crop with the correct amount of nutrients at the optimum time and location possible so they are utilized efficiently. • Limit the amount of plant nutrients lost to leaching, runoff, volatilization.

  6. AWQP Minimum Requirements • Comply with NRCS Code 590 (2001) unless required by federal program participation, which requires NRCS Code 590 (2013). • Manage manure in a manner that prevents degradation of water, soil, air, and that protects public health and safety. • Sufficient land must be available for a disposal area without overloading soils or exceeding crop requirements. • Minimize edge-of-field delivery of nutrients where no setbacks are required.

  7. Nutrient Management Who needs what? • KY NRCS 590-based CNMPs are for: • Those AFOs that produce animal waste. • They do not necessarily have to land apply it • Example: Some poultry operations produce and export all the litter • Operations receiving technical assistance and/or cost share from NRCS for nutrient management or require practices to manage animal waste. *Can be used to obtain a KY Division of Water permit (KNDOP) • KY NRCS 590-based NMPs are for: • Land application of commercial fertilizers, and other nutrient sources that are not produced on the farm • Receiving technical assistance and/or cost share from NRCS for nutrient management or apply inorganic or organic fertilizers and don’t have livestock Who writes these? • NRCS Technical Service Providers (TSPs) write CNMPs • NRCS employees can write NMPs

  8. Bottom line • The KY NRCS 590-based CNMP is very complicated to develop. • As a result, the AWQA has added another option for developing NMPs • KY producers can still use the NRCS code 590 (2001) practice standard. • Meanwhile we are working on the KyNMP document.

  9. Nutrient Management Who needs what? • KyNMP • Need a nutrient management plan to comply with the KY Ag Water Quality Act • Need an FSA loan *Can be used to obtain a KY Division of Water permit (KNDOP) Who could write these? • Producers can write their own, fee-for-service planners, Conservation District Employees, etc.

  10. Nutrient Management Plan Development

  11. KyNMP (2013) Recent Soil Sample collected within the Last Year

  12. KyNMPRecommended Setbacks

  13. Nutrient Application Timing

  14. Spring • BEST time to spread manure • Will lose less N and have the most nutrients available for plant growth • Do not apply to cool-season forages in Spring • Could increase N loss and weed competition

  15. Summer • Greatest risk of N loss through ammonia volatilization • Warm-season hay • Bermudagrassand Sudangrass

  16. Fall • Cool-season pasture and hay fields benefit from Fall applications of manure • Nutrient removal is low • STP testing to avoid going over P threshold • Cover crops • Manure should not be applied in Fall on fields without a cover crop

  17. Winter • Application opportunities are limited • Storage capacity should be large enough to hold until Spring • Manure should not be applied in Winter on fields without a cover crop • Do NOT apply to snow covered or frozen fields

  18. Summary • Similar concept as in 590 (2001/2013) • Inventory nutrients available (manures) • Determine crop needs • Distribute nutrients so that crop needs are met without overloading soils • Producer can write his/her own plan • Benefit = better understanding of their operation and nutrient management concepts • Adaptive management can improve efficiency, production, and economic returns

  19. Questions?

  20. Old 590 (2001)

  21. P Index Estimates Average Annual P Delivery County Soil Type Soil Type Soil Test P and Organic Matter Field Slope Contour and filter practices Field Slope Length Tillage Rotation crops and yields Field Manure Applications Stream P Fertilizer Applications Downfield Slope to Surface Water Distance to Surface Water County New Phosphorus Index Kentucky Nitrogen and Phosphorus Index Proposed release date: January, 2013

  22. New P-Index risk score if field is 30 feet from water body Scenario: Corn silage 22 Tons; Winter wheat 55 Bushels Dry dairy manure 25 Tons/acre applied , incorporated

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