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Manure Storage During A Dairy Modernization

Manure Storage During A Dairy Modernization. Brian J. Holmes University of Wisconsin-Madison. Robert Wilson WI Department of Agriculture Trade and Consumer Protection. Daniel J. Meyer Iowa State University Extension. Augers to Spreader – no Storage. Why Do We Store Manure?.

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Manure Storage During A Dairy Modernization

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  1. Manure Storage DuringA Dairy Modernization Brian J. Holmes University of Wisconsin-Madison Robert Wilson WI Department of Agriculture Trade and Consumer Protection Daniel J. Meyer Iowa State University Extension

  2. Augers to Spreader – no Storage

  3. Why Do We Store Manure? • To reduce the need for frequent hauling and land spreading • To allow land spreading at a time when soil and climatic conditions are suitable • To allow nutrient application at or near the crop’s growing season

  4. Benefits of Manure Storage: Hold manure until fields are ready Use of custom applicators Keep manure from state waters

  5. Short-Term Storage • Need warm climate, no long periods with frozen or saturated soil • Usually need some pasture or hay land for spreading • Equipment, time, and labor needed on frequent basis • Three months or less

  6. Long-Term Storage • Six months to one year • Accommodates longer winter seasons • May best fit annual cropping rotations • Provides storage from one irrigation season to the next • Allows scheduling of custom spreading

  7. What Type of Manure Storage Facility Should I Select? Influenced by form or consistency of manure: Solid: > 15% dry matter Slurry: 5%-10% dry matter Liquid: < 5% dry matter

  8. Slurry Manure Flows to Road Ditch

  9. Cost and Economics of Manure Storage Facilities • A complete economic analysis may not support selection of the lowest capital cost manure storage facility. • Cost should be integrated into an economic analysis of the complete manure management system.

  10. “Manure Storage should be viewed as a Cost Center not a Profit Center” Leonard R. Massie UW-Extension Specialist(Retired)

  11. Storage Type Approx. Cost $/1,000 Gal Relative Cost Clay-lined earthen basin 70 1.9 Above-ground precast tank 141 3.9 Glass-lined steel tank 198 5.5 Cost of Manure Storage Facilities Basin in Clay Soil 37 1.0 Adapted from 1993 Minnesota NRCS cost survey of manure storage structures.

  12. Solid Manure Storage —Higher Rainfall Areas • Concrete bottom and sides are desirable. • Contaminated runoff or seepage must be properly managed.

  13. Slurry Manure Storage Earthen Basins • Usually less costly than tanks • Can accommodate some lot runoff • Requires soils investigation and seal construction • Mowing and berm maintenancerequired

  14. Slurry Manure Storage Earthen Basins(continued) • Agitation is required for complete solids removal. • Access points or platforms for pumping and agitation are required. • Space requirements for berms and front/back slopes are greater. 20-15

  15. Slurry Manure Storage Earthen Basins(continued) • Some basins are fully or partially lined with concrete. • Constructed ramps provide access with loading and hauling equipment. • Basins may be emptied with mechanical loading equipment. 20-16

  16. Top Loading Manure Storage FENCE MANURE STORAGE FROZEN MANURE STACKING AREA PUSH-OFF WALL ALTERNATE CURBED ALLEY FROZEN MANURE GRAVITY FLOW STACKING AREA INLET

  17. Manure Storage Should Be: • Manure management tool • Designed, built and managed to protect water quality • Large enough to store manure during times when fields are not available for manure application • Convenient to empty • Designed for manure consistency (Liquid Vs Solid)

  18. External Pressures - Safety Drowning Hazard Fences / Gates Grates on openings Warning signs Training

  19. Surface Water Drainage Around Storage Concrete Liner to Protect Groundwater Quality

  20. Safety Fence for Earth Basin

  21. Push-Off Ramp Into Spreader or Ramped Storage Bump Rails Ramp Security Fence Bump Rails Push-Off Ramp Mini Pit

  22. Push-Off to Spreader Add Bump Rail

  23. Top loading of manure can cause large volumes of frozen manure during extended periods of cold weather.

  24. Needs Bump Rail Ramp Plugs with Frozen Manure

  25. Needs Bump Rail Manure Solids Accumulating at Single Push-In

  26. Manure Push-Ins to Storage

  27. Safety Fence at Pit Push-In Equipment Bump Rail Removable Plank

  28. Reception Tank at End of 4-Row Freestall Barn Alley Drive Alley Push-In Storage Tank

  29. Safety Fence to Be Added After Landscaping Drive-In Tunnel/Channel for Solids Removal

  30. Three Row Drive-By Freestall Barn with Mini Pit Alley Alley Manger Ramp Drive Mini Pit

  31. Mini Pit Inside Barn (excludes rain water) Ramp

  32. Plan View of Expandable Manure Storage FUTURE STORAGE FIRST STORAGE RAMP DOWN FUTURE FREESTALL BARN FREESTALL BARN

  33. SummaryPlanning and Evaluation • Consider form or consistency of manure. • Make a thorough site investigation. • Ensure compliance with local, state, and federal requirements.

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