Contact Information

Timmenga H.J., Ph.D, PAg, CAC
  Timmenga & Associates Inc.
292 East 56 Avenue
VANCOUVER, BC   V5X 1R3
Tel: (604) 321-1242
Fax: (604) 321-1260
Email: htimmenga@telus.net

Member Profiles
Brian Collis, PAg, CAC, CQA
Gary R. Eagleson, PAg, CAC
Ib Hagsten, M.Sci., M.S., Ph.D., CAC
Al Scholz PAg, CAC
H.J. Timmenga, Ph.D, PAg, CAC
Darrell M. Toma, PAg, CAC
Darrell M. Zbeetnoff, MSc, MNRM, MA, PAg, CAC

H.J. Timmenga, Ph.D, PAg, CAC

"Providing Technical and Strategic  Support as Part of Strategic Teams"

Dr. Timmenga is a soil scientist and environmental practitioner and inventor,  specializing in sustainable agriculture and beneficial use of organic waste, product and process development, and composting, creating solutions based on the convergence of planning, regulations, systems and technologies.  An applied scientist and consultant since 1981, his project and research experience includes agricultural planning; research strategy;,  environmental assessments; waste management feasibility studies; design, permitting  and monitoring of composting facilities; technology reviews; development and assessment of technologies for manure handling on pig farms, dairy farms and poultry farms; beneficial reuse of organic and inorganic waste materials in agricultural production; preparation and review of guidelines and regulations in BC; and studies of environmental issues in agriculture, forestry and other land uses, including Greenhouse gas and carbon credit issues. He has worked on projects with clients in industry and government from across North America and internationally. Dr. Timmenga has commercialized several products and systems for use in agriculture and organic farming, and is conversant with the SR&ED tax credit system in Canada.

Dr. Timmenga is developing strategic partnerships  across Canada and the US, and Latin America.  He works closely with other consultants in the Canadian Consulting Agrologists' Association and forms and participates in independent project oriented working groups. As such, he has developed a working relationship with the Inter-American Institute for Cooperation on Agriculture (IICA), and the American Society for Agricultural Consultants (ASAC). He is an excellent report writer; able to present complex scientific knowledge in easy to read language. He has presented at scientific conferences, public meetings and as expert witness in Court.  Dr. Timmenga has served on the BC Science Council Peer review Committee for Environmental Projects. In 2003 he received the Distinguished Certified Agricultural Consultant Award from the Canadian Consulting Agrologists’ Association.

Services include:

  • Organic waste management and consulting in composting
  • Sustainable Agriculture including management and design of innovative project
  • Manure management
  • Technology development and assessment
  • Greenhouse Gas emission Control and Carbon Credit studies
  • Regulatory projects related to organic waste and manure handling
  • Environmental Impact Assessments
  • Certified Organic Agriculture

Selected projects:

  • Review of the Closed Greenhouse technology for its feasibility in BC (2005).
  • Developing a Road Map for obtaining technology by Small and Medium Size Enterprises (SME) – 2005.
  • Review of fuel supply for the BC Greenhouse industry (with Zbeetnoff Agro-Environmental Consulting – 2005).
  • Review of the bioproducts industry in BC ( with Zbeetnoff Agro-Environmental Consulting as Associate – 2004-2005) (Report 1, Report 2, Appendix)
  • Legislation review regarding Natural Health Products in Canada and 8 other countries (with JRHToxicology, 2004).
  • Participating in evaluation of environmental risks of proposed restructuring of Panamanian hog industry (2000-2001).
  • Developing a project for a sustainable agriculture and forestry project in Turkey, incorporating greenhouse gas emission prevention and carbon sequestering demonstrations. With Dunn and Associates (2003).
  • Competitive Advantages for plant biotechnology in Western Canada. With Zbeetnoff Agro Environmental Consulting (2003).
  • Evaluation of options for Fraser Valley Poultry Manure Utilization (2003). (Report)
  • Developing, demonstrating and patenting technology for a zero-emission system for large hog farms (US Patent 6,916,426, awarded 2005).
  • Regulation review, drafting of proposed regulation for use of pulp and paper mill residual in land application (1999-2000). View the Report.
  • Survey of abundance of wood waste in the Lower Fraser Basin in BC (1996).