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Citrus Mechanical Harvesting -Realizing the Potential. Presentation to the FDOC Citrus Commissioners Lakeland, FL November 16, 2005 Fritz Roka UF/IFAS - SWFREC. Today. Hand harvest, pick & roadside $1.50 - $1.60 /bx Machine harvest, shake & catch
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Citrus Mechanical Harvesting -Realizing the Potential
Presentation to the FDOC Citrus Commissioners
Lakeland, FL
November 16, 2005
Fritz Roka
UF/IFAS - SWFREC
Today
- Hand harvest, pick & roadside
- $1.50 - $1.60 /bx
- Machine harvest, shake & catch
- $1.30 - $1.35, includes gleaning (98% in the trailer)
- $60 – 125 /ac savings
Trunk-Shake & Catch
- Shaker, receiver, goat
- 3 people/set
- 5-12 sec shake
- 95% removal
- Skirt & prune trees
Continuous Canopy-Shake & Catch
- 2 Shakers, 2-4 goats
- 4-6 people/set
- ½ - 1¼ mph
- 95% removal
- Skirt & prune trees
Avg. Performance Statistics
Statistics compiled from 1999 – 2004.
Tractor-drawn Canopy-Shaker
- 1 Shaker w/ Tractor
- 15-30 hand crew
- ½ - 1¼ mph
- 95% removal
- No need to skirt or prune trees
Pick-up machine under development
Impediments to Adoption
- Plentiful harvest labor (prior 2004-05)
- Cost of grove prep
- Concern for tree productivity/health
- Grower insistence for Gleaning
- The “Late Season” Problem
- Excess capacity of existing systems
- Savings not big enough yet
Push machine capacity
BX/HR better groves
*HR/DAY more trailers
*DAY/YEAR abscission
= BOXES/YEAR
Multiplicative impacts
Roadmap for MH
Industry Commitment
75¢ - 5 years
Feasible with Commitment
