Browsing Biology by Subject "Tunwath"

Now showing items 1-2 of 2

  • 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.