PUBLICATIONS IN REFEREED JOURNALS
 (Graduate students are underlined)

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 a 3-year transition under contrasting farming systems. J. Sustainable Agriculture (in press).

MacRae, R.J., Lynch, D. and Martin, R.C. 2010. Improving Energy Efficiency and GHG Mitigation Potentials in Canadian Organic Farming Systems. J. Sustainable Agric., 34(5):549-580.

Mederosa, A., Fernández, S., VanLeeuwen, J., Peregrine, A.S., Kelton, D., Menzies, P., LeBoeufd, A., Martin, R.C. 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

MacRae, R., Martin, R.C., Juhasz, M and Langer, J. 2009. Ten percent organic within 15 years: Policy and programme initiatives to advance organic food and farming in Ontario, Canada. Renewable Agriculture and Food Systems. 24(2): 120–136

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. 88: 543–552

Lynch, D., Zheng, Z., 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.

Nams, V.O. and Martin, R.C. 2007. The effects of turnout date to pasture on cattle weight gain.  Can. J. Animal Sci. 87: 527–534.                                                   

Martin, R.C., Lynch, D.H., Frick, B. and van Straaten, P. 2007.  Phosphorous 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 orchard grass. 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 ManzateR75 on the community composition and antibiosis against Phytophthora infestans of bacteria 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

Degenhardt, R., Martin, R.C. and Spaner, D. 2005. Organic farming in Central Alberta: Current 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

Lynch, D.H., Cohen, R.D.H., Fredeen, A. Patterson, G., and Martin, R.C.  2005.  Management of Canadian prairie region grazed grasslands: Soil C sequestration, livestock productivity and profitability. Can. J. Soil Sci. 85: 183-192

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.

Thorvaldsson, G. and Martin, R.C., 2004. Growth response of seven perennial grass species to three temperature regimes applied at two growth stages. Acta Agric. Scand., Sect. B Soil and Plant Sci. 54: 14 - 22.
                                   
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 (3): 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.
                                                                                   
Fredeen, A.H, Astatkie, T., Jannasch, R.W., and Martin, R.C. 2002. Productivity of grazing Holstein cows in Atlantic Canada.  J. Dairy Science 85: 1331 - 1338.

Papadopoulos, Y.A., Martin, R.C., Fredeen, A.H., MacRae, K.B. and Price, M.A. 2001. Grazing and the addition of white clover improves the nutritional quality of orchardgrass cultivars. Canadian J. Animal Sci. 81:597-600.

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.

Boyd, N.S., Astatkie, T., Fredeen, A.H. and Martin, R.C. 2001. Rotationally stocked beef cattle response to daily and weekly residence.  J. Range Management 54: 39-43.

Martin, R.C. 2000. The Application of Deep Ecology in Cuba. The Trumpeter: 16, 1. Athabasca University. Available from:  http://trumpeter.athabascau.ca/index.php/trumpet/article/view/148/177  [Accessed 2007, May 20].

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.

Muto, P.J. and Martin, R.C. 1999. The growth of white clover seeded into a permanent pasture under both grazing and mowing regimes. Grass and Forage Science 55:59 - 68.

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.A., Christie, B.R., Papadopoulos, Y.A. and Martin, R.C. 1999. AC Christie red clover. Canadian J. Plant Sci. 79:257-258. 

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.
    
Altinok, S., Erac, A. and Martin, R.C. 1997. The effects of cutting at different phenological stages to shoot and root development and forage yield of annual medics. Turkish J. Agriculture and Forestry. 21:371-378.     

Martin, R.C., Eaglesham, A.R.J., Smith, D.L. and Voldeng, H.D. 1995. Factors affecting nitrogen benefit from soybean to interplanted corn. Environ. and Exper. Botany. 35: 497-505.

Fraser, J., Sutherland, K. and Martin, R.C. 1993. Effects of autumn harvest date on the performance of white clover/grass mixtures in Nova Scotia. J. Agric. Sci. (Camb.) 121: 315-321.

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.

Martin, R.C., Voldeng, H.D. and Smith, D.L. 1991. Nitrogen transfer from nodulating soybean to corn and to nonnodulating soybean in intercrops: Direct 15N labelling methods. The New Phytologist. 117: 233-241.

Martin, R.C. Voldeng, H.D. and Smith, D.L. 1991. Nitrogen transfer from nodulating soybean to corn and to nonnodulating soybean in intercrops: The 15N dilution method. Plant and Soil 132: 53-63.

Martin, R.C., Voldeng, H.D. and Smith, D.L. 1990. Intercropping corn and soybean for silage in a cool temperature region: yield, protein and economic benefits.  Field Crops Research. 23: 295-310.

Martin, R.C., Arnason, J.T., Lambert, J.D.H., Isabelle, P., Voldeng, H.D. and Smith, D.L. 1989. Reduction of European Corn Borer (Lepidoptera: Pyralidae) damage by intercropping corn with soybean. J. Econ. Entom. 82: 1455-1459.