Browsing Biology by Subject "Organic farming"

Now showing items 1-9 of 9

  • Biological husbandry and the "nitrogen problem" 

    Patriquin, David G. (Biological Agriculture and Horticulture, 1986)
    Since 1978, the author has been conducting research into the theory and practice of biological husbandry in collaboration with a farmer who stopped using pesticides and mineral fertilizers in 1976. Eggs are exported from ...

  • The ecology of transition 

    Patriquin, David G. (COGnition (Eco-Farm & Garden), 1988)
    A popular account of scientific research on the processes involved in the transition of a mixed laying hen-grain farm In the Annapolis Valley, Nova Scotia from conventional to organic management.

  • Farms as ecosystems 

    Patriquin, David G. (University Extension Press, University of Saskatchewan, Saskatoon, 1999)
    Organic farming provides ecosystem services as well as food. The weakest points of organic farming systems are limited use of livestock and declining genetic resources. Organic farming has special research and service ...

  • Observations on a mixed farm during the transition to biological husbandry 

    Patriquin, David G.; Hill, N.M.; Baines, D.; Bishop, M.; Allen, G. (2011-01-19)
    Tunwath is a mixed farm (laying hens-grains) located in the Annapolis Valley, Nova Scotia, in a cool humid temperate zone. It includes about 2100 laying hens, 35 hectares of field crops and additional garden, pasture, hay ...

  • On-farm measurements of pH, electrical conductivity and nitrate in soil extracts for monitoring coupling and decoupling of nutrient cycles 

    Patriquin, David G.; Blaikie, H.; Patriquin, M.J.; Yang, C. (Biological Agriculture & Horticulture, 1993)

  • Proceedings of the Bioregional Farmer/Scientist Workshop in Organic Agriculture (Maine & Maritime Provinces), 1988• 

    Schneider, G.; Poole, K.; Patriquin, David G. (Organic Crop Improvement Association of New Brunswick & Dalhousie University, 1991-06-15)
    Proceedings of a workshop

  • Reducing risks from E. coli 0157 on the organic farm 

    Patriquin, David G. (Canadian Centre for Sustainable Agriculture, Saskatoon, Saskatchewan., 2001)
    E.coli 0157 is a bacterial pathogen of the human intestinal tract which is carried in certain species of livestock and wildlife without ill effect. Such organisms are termed zoonotics. Various types of Campylobacter and ...

  • Seven case studies in sustainable agriculture 

    Patriquin, David G.; Edwards, L.; Gimby, M.; Jobin, P.; Sampson, R. (Science Council of Canada, Ottawa, 1991-05-24)
    Seven case studies of SA (sustainable agriculture) in Canada were conducted in the late fall/early winter of 1990/91. The primary objective was to provide examples of innovative SA practices that have been implemented by ...

  • Systems for sustainable agriculture: approaches, tradeoffs and needs 

    Patriquin, David G. (Canadian Centre for Sustainable Agriculture, Saskatoon, Saskatchewan, 2001)
    All systems of agriculture practiced today can be seen as having a potential for improvement and contributing toward a more sustainable agriculture. The major differences in approach and in the types of services needed to ...