An investigation into ecological farming systems on the Canadian Prairies
Date
2016
Authors
Dick, Calvin
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Abstract
There are currently numerous alternative food production models that may have potential to contribute substantially to improved environmental sustainability. However, such alternatives are not well studied, particularly within the context of the Canadian Prairies. To increase knowledge in this area, this thesis performed a preliminary agronomic trial for food grain production in intermediate wheatgrass (Thinopyrum intermedium), investigating the effects of legume intercropping and residue management. Mean grain yields were 520 and 447 kg/ha in 2014 and 2015, respectively, and a significant yield increase was observed following grazing with sheep. A series of farm case studies were also conducted in order to characterize ecological farming approaches on the Canadian prairies. The most consistent strategy among the farms was to increase diversity in multiple facets for both environmental and economic benefit, including more crop and livestock species, system and landscape components, and marketing strategies.
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Keywords
Agriculture, Perennial grains, Agroecology, Organic agriculture, Intercropping, Polyculture, Permaculture, Holistic grazing management