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Boot Camp Ranch Planning Exercise

Boot Camp Ranch Planning Exercise. Corvallis, OR. well. Management Unit #1 Range 715 acres. Management Unit #3 Pasture 165 acres. Response Unit 1.1 South 9-12 PZ (475 ac. – 70% accessible). Response Unit 1.2 Droughty 8-12 PZ (240 ac. – 100% accessible). Response Unit 3.1

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Boot Camp Ranch Planning Exercise

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  1. Boot CampRanch Planning Exercise Corvallis, OR

  2. well Management Unit #1 Range 715 acres Management Unit #3 Pasture 165 acres Response Unit 1.1 South 9-12 PZ (475 ac. – 70% accessible) Response Unit 1.2 Droughty 8-12 PZ (240 ac. – 100% accessible) Response Unit 3.1 Meadow Foxtail, & Orchardgrass (165 ac. - 100% accessible) Management Unit #2 Range 1000 acres Response Unit 2.2 Droughty 8-12 PZ (200 ac. – 100% accessible) Response Unit 2.1 South 9-12 PZ (300 ac. – 70% accessible) Response Unit 2.3 Droughty 8-12 PZ (500 ac. – 70% accessible)

  3. Map Legend: Fence Ecological Site Boundary Water Accessibility Boundary (100% to 70%) Trough Stockwater Pipeline

  4. Droughty 8-12 PZ:Annual Production = 600 lbs./ac., RSI = 60%

  5. South 9-12 PZ:Annual Production = 710 lbs./ac., RSI = 55%

  6. The planning ranch has a combination of rangeland and pastureland. The unit is used to run 175 pairs (1150# each) from May 1 to July 31 each year (92 days or 3 months). • There is a good well in the northeast corner of Management Unit #1 that serves a watering tank in MU #1 and in MU #2. • Rangeland more than about 1 mile away from water is only used to 70% of available forage.

  7. Rangeland • Droughty site has 765 lbs./acre total air-dry production per year • South site has 660 lbs./acre total air-dry production per year • 100% of allocated forage is available in response unite 1.2 and 2.2; 70 % is available in response units 1.1, 2.1, & 2.3 • There is only adequate water for response units 1.2 and 2.2

  8. Pasture • There is no irrigation but the pasture soils receive extra sub-surface water (moist sites) • The Meadow Foxtail / Orchardgrass pasture produces 2.0 tons of available forage per year • Forage is 100% accessible • There is adequate stockwater for the pasture

  9. Supply • Calculate the available supply (AUMs in each management unit). • Determine forage value rating (lbs. of useable forage – include forbs but not shrubs) • Use Harvest Efficiencies of 30% on range and 40% on pasture. • Use 900 #/AUM air-dry intake for 1.0 AUE • Calculate initial stocking rate for each response unit

  10. Demand • Calculate the required demand (livestock weigh 1150 lbs each, calves are nursing animals). • Use 3% of body weight or (wt^0.75) / 1000^0.75 to determine intake • Assume that wildlife (Mule Deer & Elk) forage needs are supplied at the indicated harvest efficiencies.

  11. Supply… • What is the annual amount of forage available in AUMs? • In each response unit? • In each management unit? • What is the initial stocking rate in AUMs/Acre? • In each response unit?

  12. Demand… • What is the annual amount of forage required by livestock in AUMs? • By month? • For the entire grazing season?

  13. Balance… • Is the benchmark (current) system balanced (positive AUM balance)? • If not – develop a RMS alternative: • What practices could be used? • What could be changed to increase forage supply? • How many extra AUMs could be provided?

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