Andrew M. Hammermeister
Associate Professor, Director OACC
Phone: (902) 893.8037
Room 167, Cox Institute
Faculty of Agriculture
PO Box 550
Truro, NS, B2N 5E3
Organic Agriculture Centre of Canada
Professional Affiliations and Memberships
Professional Agrologist (P.Ag.)
Nova Scotia Institute of Agrologists.
Task force lead, Organic Value Chain Roundtable
Science Advisory Board of The Organic Center (U.S.A. based)
Board member, Technology Innovation Platform of IFOAM Organics International
IFOAM Organics International
International Society of Organic Agriculture Research
CGSB Technical Committee Reviewing the Canadian Organic Standards
Atlantic Canadian Organic Regional Network
Canadian Organic Growers
Canadian Society of Soil Science
Canadian Society of Agronomy
Soil fertility and weed management in field crops and fruit orchards
Cereals, oilseeds, haskap, grape, black currant, apple
Cross-appointment, College of Sustainability, Dalhousie University
Adjunct Professor. Faculty of Agriculture and Food Sciences, University of Manitoba.
AGRI1000 Agricultural ecosystems
AGRN2001 Cereal-based cropping systems
AGRI2000 Transition to organic agriculture
Soils 0200 Soil use and management
Soils 0100 Introduction to soil science
Sharifi, M. J. Reekie, A. Hammermeister, M.Z. Alam, and T. MacKey. 2016. Effect of cover crops on yield and leaf nutrient concentrations in an organic Honeycrisp apple (Malus domestica 'Honeycrisp') orchard in Nova Scotia Canada. Hort Science 51: 1378-1383. doi: 10.21273/HORTSCI10615-16
Hammermeister, A.M. 2016. Organic weed management in perennial fruits. Scientia Horticulturae 208: 28-42. (Published online at http://dx.doi.org/10.1016/j.scienta.2016.02.004).
Alam, M. Z., D. H. Lynch, M. Sharifi, D. L. Burton and A. M. Hammermeister. 2016. The effect of green manure and organic amendments on potato yield nitrogen uptake and soil mineral nitrogen. Biological Agriculture and Horticulture (Published online www.tandfonline.com/doi/pdf/10.1080/01448765.2015.1133319).
Messiga, A. J., M. Sharifi, A. Hammermeister, K. S. Gallant, K. Fuller, M. Tango, S. Fillmore. 2016. Grape yield and quality response to cover crops and amendments in a vineyard in Nova Scotia, Canada. American Journal of Enology and Viticulture 67:77-85.
Messiga, A. J., M. Sharifi, K. McVicar, M. Cheema, A. Hammermeister. 2015. Mussel's post-harvest washing sediments consistency over time, and contribution to plant growth and nutrient uptake. Journal of Cleaner Production 113: 216–223 (https://doi.org/10.1016/j.jclepro.2015.11.062)
Messiga, A. J, M. Sharifi, A. Hammermeister, K. Gallant, K. Fuller, M. Tango. 2015. Soil quality response to cover crops and amendments in a vineyard in Nova Scotia, Canada. Scientia Horticulturae 188: 6-14.
Sharifi, M, D. H. Lynch, A. Hammermeister, D. L. Burton, A. J. Messiga. 2014. Effect of green manure and supplemental fertility amendments on selected soil quality parameters in an organic potato rotation in Eastern Canada. Nutr. Cyc.l Agroecosyst. 100: 135–146
Renkema, J. M., G. C. Cutler, D. Blanchard, and A. Hammermeister. 2014. Using ground beetles (Coleoptera: Carabidae) to control slugs in salad greens in the laboratory and greenhouse. Can. Entomol. 146: 567-578.
Halde, C., Hammermeister, A. M., McLean, N. L., Webb, K. T. and Martin, R. C. 2011. Soil compaction under varying rest periods and levels of mechanical disturbance in a rotational grazing system. Can. J. Soil Sci. 91: 957-964.
Liu, K., Hammermeister, A. M., Warman, P. R., Drury, C. F. and Martin, R. C. 2011. Assessing soil nitrogen availability in contrasting cropping systems at the end of transition to organic production. Can. J. Soil Sci. 91: 493-501.
Liu, K., Hammermeister, A. M., Entz, M. H., Astatkie, T., Warman, P. R. and Martin, R. C. 2010. Nitrogen Availability in an Organic Potato Crop Following 3-Year Transition under Contrasting Farming Systems. Journal of Sustainable Agriculture 34: 8, 821-835.
Liu, K., A. M. Hammermeister, D. G. Patriquin, and R. C. Martin. 2008. Assessing organic potato cropping systems at the end of the first cycle of four-year rotations using principal component analysis. Can. J. Soil Sci. 88: 1-10.
Beavers R. L., Hammermeister, A. M., Frick, B., and Martin, R.C. 2008. Spring wheat yield response to variable seeding rates in organic farming systems. Canadian Journal of Plant Science 88 pp 43-52.
Hammermeister, A.M., R. Pidskalny and K. Nelson. 2014. Establishing priorities for organic research in Canada. In Managing energy, nutrients and pests in organic field crops. CRC Press, Boca Raton, FL. (Book Chapter)
MacRae, R., A.M. Hammermeister, R.C. Martin. 2014. Introduction. In Managing energy, nutrients and pests in organic field crops. CRC Press, Boca Raton, FL. Book Chapter.
Lynch, D.H., Sharifi, M., Hammermeister, A. and Burton, D. 2012. Nitrogen management in organic potato production. Pp 209-231 In Zhongi He, Robert P. Larkin and C. Wayne Honeycutt [Eds] Sustainable Potato Production: Global Case Studies. Springer.
Paper In Conference Proceedings
Hammermeister, A.M. M.B. Savard, J.L. MacKenzie, D.L. Lynch. 2014 Canada’s Organic Science Cluster: science with impact for profitability, sustainability and competitiveness. IFOAM Organic World Congress. Oct. 13-15, 2014, Istanbul, Turkey. Organic Eprint #24063.
Diarra, M.S. and A.M. Hammermeister. Potential of cranberry extract as an immune-modulatory agent in organic broiler chicken production. 2014. IFOAM Organic World Congress. Oct. 13-15, 2014, Istanbul, Turkey. Organic Eprint #24090.
Savard, M.B., J.L. MacKenzie, and A.M. Hammermeister. 2014. Transferring the science of organic agriculture through accessible written and oral communication. IFOAM Organic World Congress. Oct. 13-15, 2014, Istanbul, Turkey. Organic Eprint #24045.
Hobson, D.W., D.H. Lynch, K. Pruski and A.M. Hammermeister. (2013). Fertility rate and timing effects on organic black currant growth and yield during establishment. Acta Hort. 1001:335-341 (http://www.actahort.org/books/1001/1001_38.htm)
Taylor, N., A.M. Hammermeister, V.P. Rupasinghe, K. Pruski. 2013. Characterization of Ribes nigrum in relation to fruit maturity and genotype. Acta Hort. 1001:199-205 (www.actahort.org/books/1001/1001_22.htm).
Other: Professional Reports
Hammermeister, A.M., J.L. MacKenzie and J. Stuka. 2015. Green manures to support Prairie organic production: Resource Recommendations. Organic Agriculture Centre of Canada, Faculty of Agriculture, Dalhousie University for the Prairie Organic Grain Initiative, Organic Alberta. 35 pp.
Frick, B., J. MacKenzie and A. Hammermeister. 2015. Enviro-Scan for the Prairie Organic Grain Initiative. Report prepared for Organic Alberta. 45 pp.
Sharifi, M., D.H. Lynch, A. Hammermeister, and D. L. Burton. 2010. Sustainable organic vegetable systems: evaluating green manure and biowaste compost. Organic Agriculture Centre of Canada, Nova Scotia Agricultural College, Truro, NS. Introductory Research Report E2010.
Sharifi, M., D.H. Lynch, A. Hammermeister, and D. L. Burton. 2009. Sustainable organic vegetable systems: evaluating green manure and biowaste compost. Organic Agriculture Centre of Canada, Nova Scotia Agricultural College, Truro, NS. Introductory Research Report E2009-51 (fact sheet).
Hammermeister, A.M. and K. Nelson. 2009. Organic Science Prioritization Process, Including Results of the Strategic Research Prioritization Process: Background Briefing Document. Organic Agriculture Centre of Canada, Nova Scotia Agricultural College, Truro, NS
Organic Agriculture Centre of Canada (A.M. Hammermeister project manager). 2008. Canadian Organic Research Inventory by Subject - 2008. Nova Scotia Agricultural College, Truro NS, Canada. 276 pp.
Frick, B., R. Beavers, A. Hammermeister, and J. Thiessen Martens. 2008. Research Needs Assessment of Saskatchewan Organic Farmers. Univ. of Sask., Saskatoon, SK, Canada. www.oacc.info/Docs/Saskatchewan%20Research%20Needs%20Survey%20with%20cover.pdf
Bromm, J., Frick, B. and Hammermeister, A.M. 2008. Saskatchewan Best Organic Management Practices: Farmers’ Perspectives. Saskatoon SK: University of Saskatchewan. www.oacc.info/Docs/BOMP%20Whole%20Dec%2008.pdf.
Organic Agriculture Centre of Canada. 2008. Final Results of the First Canadian Organic Farmer Survey of Research Needs. Nova Scotia Agricultural College, Truro NS, Canada. http://oacc.info/ResearchDatabase/res_strategies.asp (Hammermeister A.M. editor and project manager for this and six related reports.)
2017 – Striking a balance – Philosophy, Principles and Outcomes of organic vs. market development and profitability (Plenary Panel presentation). ACORN Organic Conference, Truro NS, Nov. 27-29.
2017 – Haskap fertility management research overview – Haskap Growers Association of Nova Scotia, Oct. 21, 2017.
2017 – Benefits of organic agriculture and food. Canadian Health Food Association Conference – West. April 6, 2017. Vancouver, BC.
2017 – Organic farming and haskap orchard establishment Haskap Growers of BC conference. April 22, 2017, Salmon Arm BC.
2017 – Organic weed management. Haskap Growers of BC conference. April 22, 2017, Salmon Arm BC.
2017 – Organic 3.0: building bridges for a sustainable future. Canadian Fair Trade Association Conference. Feb. 24, 2017, Halifax NS.
2016 – Organic science informing the Next Agricultural Policy Framework in Canada. Presented to the House Standing Committee on Agriculture and Agri-Food. Nov. 24, 2016, Ottawa, ON.
2016 – Is organic the ultimate model of sustainable agriculture, food and wellbeing? Organic Connections Conference, Nov. 5, 2016, Saskatoon SK.
2016 - Prioritizing research for the evolution of organic agriculture. (invited) BioFach China. May 26-28, Shanghai.
2015 – Embracing an organic future - soil and the organic movement. ACORN Organic Conference. November 23-25, Charlottetown PEI (invited keynote).
2015 – Organic 3.0. Canadian Organic Growers AGM. May 3
2015 – Health benefits of organic farming and food. Alberta Institute of Agrologists Conference, Banff AB. Mar31-Apr. 2.
2015 – Organic agriculture as a sustainable production system. Alberta Institute of Agrologists Conference, Banff AB. Mar31-Apr. 2.
2015 – Redesigning the food system through organic agriculture. Memorial University, Corner Brook NL. March 10, 2015.
2012 – A national conservation program for Canada – a perspective from organic agriculture. House of Commons Standing Committee on Environment and Sustainable Development, Halifax. May 29.
2012 – The importance of innovation in agricultural practices with regard to environmental sustainability. Senate Standing Committee on Agriculture and Forestry, Ottawa. April 26