• NEW!! Carbon and Global Warming Potential Footprint of Organic Farming (Report to OVCRT)
• NEW!! Nitrogen Availability in an Organic Potato Crop Following 3-Year Transition under Contrasting Farming Systems 
• Agronomic benefits of alfalfa mulch applied to organically managed spring wheat
• A Comparison of Pasture-fed and Feedlot Beef
• Becoming an effective collaborator with government: some background notes and ideas 2004 (PDF, 218 kb)
• Development of quality assurance protocols to prevent GM-contamination of organic crops
• Does the adoption of organic food and farming systems solve multiple policy problems? A review of the existing literature 2004 (PDF, 622 kb)
• Economic and social impacts of organic production systems
• The Effects of Living Mulches on Tuber Yields of Potato

• Effects of Rotational Grazing on the Dynamics of Soil Carbon and Nitrogen on Commercial Dairy Farms
• Effects of pre-treatment, renovation procedure and cultivar on the growth of white clover sown into a permanent pasture under both grazing and mowing regimes
• Evaluation of nitrogen supply rate measured by in situ placement of Plant Root Simulator probes as a predictor of nitrogen supply from soil and organic amendments in potato crop
• Forage Mulch as a Multifunctional Tool in Organic Wheat Production
• Gastrointestinal nematodes on organic sheep farms and sustainable parasite control measures
• Improving Energy Efficiency and GHG Mitigation Potentials in Canadian Organic Farming Systems 
• Improving the nutrient status of a commercial dairy farm: An integrated approach

• Influence of compost tea, powdered kelp, and Manzate® 75 on bacterial-community composition, and antibiosis against Phytophthora infestans in the potato phylloplane
• Influence of Fertilization on the Colorado Potato Beetle, Leptinotarsa decemlineata (Say), in Organic Potato Production.
• Influence of grazingland management on soil carbon
• Integrated Nutrient Management for Organic Dairying in Ontario
• Mainstreaming Organic Research: Canada's New Organic Science Cluster
• Management Strategies for Co-Grazing Steers and Sheep in Atlantic Canada
• Nutrient budgets of Ontario organic dairy farms
• Nutrient Supply From Organic Soil Amendments: Implications For Fertility Management

• Nutrient supply from organic amendments applied to unvegetated soil, lettuce and orchardgrass
• Ontario Goes Organic: How to Access Canada’s Growing Billion Dollar Market for Organic Food
• Organic Farming in Central Alberta Currents Trends, Production Constraints and Research Needs
• Organic amendment effects on tuber yield, plant N uptake and soil mineral N under organic potato production
• Phosphorous Deficiencies on Canadian Organic Farms (PDF, 453 kb)
• Phosphorus status on Canadian organic farms
• Plant Nutrient Uptake As Affected By Organic Amendments And Crop Rotations During The Transition To Organic Production

• Prevalence and distribution of gastrointestinal nematodes on 32 organic and conventional commercial sheep farms in Ontario and Quebec, Canada (2006–2008)
• Spring wheat yield response to variable seeding rates in organic farming systems at different fertility regimes
• Studies on Soil Sustainability: The Effect of Forages and Livestock in Organic Agricultural Systems
• Study of the population dynamics of gastrointestinal nematodes in organic sheep farms in Canada with an attempt to introduce sustainable parasite control measures
• Sustainable startegies addressing the specialization and intensification of organic agriculture 2003 (PDF, 68 kb)
• Sustainability of Canadian Dairy Farms
• Weed, disease and grain yield effects of cultivar mixtures in organically managed spring wheat
• Wheat - Weed Interactions at Variable Seeding Rates in Organic Farming Systems 2003

Journal Articles

• MacRae, R.J., Lynch, D. and Martin, R.C. 2010. Improving Energy Efficiency and GHG Mitigation Potentials in Canadian Organic Farming Systems. Journal of Sustainable Agriculture 34: 549-580
• Mederos, A., Fernández, S., VanLeeuwen, J., Peregrine, A.S., Kelton, D., Menzies, P., LeBoeuf, A. and Martin, R. 2010. Prevalence and distribution of gastrointestinal nematodes on 32 organic and conventional commercial sheep farms in Ontario and Quebec, Canada (2006–2008. Veterinary Parasitology 170: 244-252
• Sharifi, M., Lynch, D.H., Zebarth, B.J, Zheng, Z. and Martin, R.C. 2009. Evaluation of nitrogen supply rate measured by in situ placement of Plant Root Simulator probes as a predictor of nitrogen supply from soil and organic amendments in potato crop. American Journal of Potato Research 86: 356-366
• Lui, K. Hammermeister, A.H., Patriquin, D and Martin, R.C. 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. (in press).
• Lynch, D., Zebarth, B. and Martin, R.C. 2008. Organic amendment effects on tuber yield, plant N uptake and soil mineral N under organic potato production. Renewable Agriculture and Food Systems 23(3); 250–259
• Beavers, R.L., Hammermeister, A.M., Frick, B., Astatkie, T. Martin, R.C. 2008. Spring wheat yield response to variable seeding rates in organic farming systems at different fertility regimes. Can. J. Plant Sci. 88: 43–52
• Roberts, C. J., Lynch, D. H., Voroney, R. P., Martin, R. C. and Juurlink, S. D. 2008. Nutrient budgets of Ontario organic dairy farms. Can. J. Soil Sci. 88:107 - 114.
• Boiteau, G., Lynch, D.H. and Martin, R.C. 2008. Influence of Fertilization on the Colorado Potato Beetle, Leptinotarsa decemlineata (Say), in Organic Potato Production. Environ. Entomology 37 (2): 575 - 585
• MacRae, Rod J., Frick, Brenda and Martin, Ralph C. 2007. Economic and social impacts of organic production systems. Can. J. Plant Sci. 87: 1037-1044.
• Martin, R.C., Lynch, D.H., Frick, B. and van Straaten, P. 2007. Phosphorus status on Canadian organic farms. Journal of the Science of Food and Agriculture. 87: 2737-2740
• Pridham , J.C., Entz, M.H., Martin, R.C. and Hucl, P.J. 2007. Weed, disease and grain yield effects of cultivar mixtures in organically managed spring wheat. C.J. Plant Sci. 87: 855-859.
• Wiens, M.J., Entz, M.H., Martin, R.C. and Hammermeister, A.M. 2006. Agronomic benefits of alfalfa mulch applied to organically managed spring wheat. C.J. Plant Sci. 86: 121-131.
• Hammermeister, A.M., Astatkie, T., Jeliazkova, E.A., Warman, P.R. and Martin, R.C. 2006. Nutrient supply from organic amendments applied to unvegetated soil, lettuce and orchardgrass. C.J. Soil Sci. 86: 21-33.
• Sturz, A.V., Lynch, D.H., Martin, R.C. and Driscoll, A.M. 2006. Influence of compost tea, powdered kelp, and Manzate® 75 on bacterial-community composition, and antibiosis against Phytophthora infestans in the potato phylloplane. C.J. Plant Pathology 28: 52-62.
• Astatkie, T., Joseph, A.A. and Martin, R.C. 2006. A two-level unreplicated factorial design to determine the effect of organic and inorganic fertilizers on dry mater yield of permanent pasture. Renewable Agriculture and Food Systems. 21(2): 106-113
• Lynch, D.H., Cohen, R.D.H., Fredeen, A., Patterson, G. and Martin, R.C. Influence of grazingland management on soil carbon. 2005. Can J Soil Sci 85: 183-192
• Degenhardt, R., Martin, R.C. and Spaner, D. 2005. Organic Farming in Central Alberta Currents Trends, Production Constraints and Research Needs. J. Sustainable Agriculture. 27(2): 151-171.
• Yiridoe, E.K., Bonti-Ankomah, S. and Martin, R.C. 2005. Comparison of consumer perceptions and preference toward organic versus conventionally produced foods: A review and update of the literature. Renewable Agriculture and Food Systems. 20(4): 193-205
• Martin, R.C., Astatkie, T., Cooper, J.M. and Fredeen, A.H. 2005. A comparison of methods used to determine biomass on naturalized swards. Journal of Agronomy and Crop Sci. 191: 152-160.
• Lynch, D. H., Jannasch, R.W., Fredeen, A.H. and Martin, R.C. 2003. Improving the nutrient status of a commercial dairy farm: An integrated approach. American Journal of Alternative Agriculture 18: 137-145
• Boyd, N.S., Gordon, R. and Martin, R.C. 2002. Relationship between leaf area index and ground cover in potato under different management conditions. Potato Research 45: 117-129.
• Boyd, N.S., Gordon, R., Asiedu, S.K. and Martin, R.C. 2001. The effects of living mulches on tuber yields of potato (Solanum tuberosum L.). Biological Agriculture and Horticulture 18: 203-220.
• Carruthers, K., Prithiviraj, B., Fe, Q., Cloutier, D., Martin, R.C., and Smith, D.L. 2000. Intercropping of corn with soybean, lupin and forages: Silage yield and quality. J. Agron. Crop Sci.185:177-186.
• Prithiviraj, B., Carruthers, K., Fe, Q., Cloutier, D., Martin, R.C., Smith, D.L. 2000. Intercropping of corn with soybean and lupin for silage: Effect of seeding date on yield and quality. J. Agron. Crop Sci.185:129-136.
• Carruthers, K, Prithiviraj, B., Fe, Q., Cloutier, D., Martin, R.C. and Smith, D.L. 2000. Intercropping corn with soybean, lupin and forages: yield component responses. European Journal of Agronomy 12:102-115.
• Jannasch, R. and Martin, R.C. 1999. The potential for capturing the biological yield of white lupin by intercropping with cereals. Biological Agriculture and Horticulture 17:113-130.
• Martin, R.C., Greyson, P.R. and Gordon, R. 1999. Competition between corn and a living mulch. Canadian J. Plant Sci.79:579 - 586.
• Martin, R.C., Astatkie, T. and Cooper, J.M. 1998. The effect of soybean variety on corn-soybean intercrop biomass and protein yields. Canadian J. Plant Sci. 78:289-294
• Martin, R.C., Astatkie, T. and Cooper, J.M. 1998. The effect of bradyrhizobium strains on monocropped and intercropped soybean (Glycine max L. Merr.) biomass and protein. J.Agron. Crop Sci. 181: 1-6
• Altinok, S., Sampson, H.G., Martin, R.C. and Papadopoulos, Y.A. 1997. The morphology and yield of barley (Hordeum vulgare L.) and forage legumes in intercrops. Turkish J. Agriculture and Forestry. 21:605-613.
• Martin, R.C., Voldeng, H.D. and Smith, D.L. 1991. The effects of intercropping spacing patterns on the silage yields of maize and soybean. J. of Agronomy and Crop Sci. 167: 81-90.

• Epidemiology of gastrointestinal nematodes on organic sheep farms in Canada
• Increasing mycorrhizal colonization with innoculants
• A National Strategic Plan for the Canadian Organic Food and Farming Sector 2002 (PDF, 223 kb)
• Organic low-till research in Prairie Canada (PDF, 270 kb)
• Phosphorus regulation of legume biological nitrogen fixation on Ontario organic dairy farms (PDF, 226)
• Seeding rate for weed control in organic spring wheat 2006 (PDF, 169 kb)

• Capturing the Potential of Alfalfa
• Conservation Tillage and Organic Farming – Mutually exclusive?
• Nutrient Supply From Organic Soil Amendments: Implications For Fertility Management