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Department of Tropical Plant and Soil Sciences bannerContact Us linkSearch Site linkSite Map linkCTAHR News linkCTAHR Home link

Dr. H.C. "Skip" Bittenbender
Extension Specialist for Coffee and Kava

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Contact Information:

University of Hawaii at Manoa
Department of Tropical Plant and Soil Sciences
3190 Maile Way, St. John 102
Honolulu, Hawaii 96822-2279

Office: St. John 112
Telephone: (808) 956-6043
Fax: (808) 956-3894

email: hcbitt@hawaii.edu
photo of Dr. H.C. "Skip" Bittenbender
Educational Background

  • B.S., Western Michigan University (1972)
  • M.S., Michigan State University (1974)
  • Ph.D., Michigan State University (1977)

Research/Extension Interests

  • Coordinate research for coffee, kava and cacao for the College
  • Coffee, kava statewide associations 
  • Mechanization of cultural practices for coffee and kava 
  • Farmer's Bookshelf - web-based information on crops 
  • Ag board, an email and clipping service on agriculture from local press 
  • Estimating yields of tropical fruits
  • Genetic and environmental effects on fruit quality and performance

Current Projects

  • Cultural and irrigation practices to increase kava lactones in kava 
  • Mechanical pruning for mechanical harvesting of coffee 
  • Effect of shade on coffee quality

Recent Publications

  • Mauris, Silvia G., H.C.Bittenbender, Kent D. Fleming, Loren D. Gautz. 2003. Economic Evaluation of Mechanized Pruning of Coffee in Hawaii. Hort Technology 13(3):468-472.
  • Bittenbender, H.C. and Virginia Eaton Smith. 2000. Growing Coffee in Hawaii. CTAHR, UHM, Honolulu, HI 40 pp. 
  • Proceedings of Hawaii Coffee Assn. 4: 1-3. 
  • Bittenbender, H.C., N.V. Hue, Kent Fleming, and Hilary Brown. 1998. Sustainability of Organic Fertilization of Macadamia with Macadamia Husk-Manure Compost. Commun. Soil Sci. Plant Anal. 29 (3&4) 409-419.

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Last updated on 1/14/2004