Organic farm and climate change
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Organic Agriculture and Climate Change

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Organic Agriculture and Climate Change
As global temperatures rise and weather patterns become more erratic, the intersection between climate change and agriculture is crucial to understanding the role agriculture plays in contributing to and mitigating global warming. Carbon sequestration, lower-input of fossil fuel dependant resources, and use of renewable energy all present opportunities for organic agriculture to lead the way in reducing energy consumption and mitigating the negative affects of energy emissions. Organic agriculture provides management practices that can help farmers adapt to climate change through strengthening agro-ecosystems, diversifying crop and livestock production, and building farmers’ knowledge base to best prevent and confront changes in climate.

 

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clearing the ground for organic farming

Introduction to Organic Farming

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Defining “Organic”

Organic farming is a method of crop and livestock production that involves much more than choosing not to use pesticides, fertilizers, genetically modified organisms, antibiotics and growth hormones.

Organic production is a holistic system designed to optimize the productivity and fitness of diverse communities within the agro-ecosystem, including soil organisms, plants, livestock and people. The principal goal of organic production is to develop enterprises that are sustainable and harmonious with the environment.

The general principles of organic production, from the Canadian Organic Standards (2006), include the following:

  • protect the environment, minimize soil degradation and erosion, decrease pollution, optimize biological productivity and promote a sound state of health
  • maintain long-term soil fertility by optimizing conditions for biological activity within the soil
  • maintain biological diversity within the system
  • recycle materials and resources to the greatest extent possible within the enterprise
  • provide attentive care that promotes the health and meets the behavioural needs of livestock
  • prepare organic products, emphasizing careful processing, and handling methods in order to maintain the organic integrity and vital qualities of the products at all stages of production
  • rely on renewable resources in locally organized agricultural systems

Organic farming promotes the use of crop rotations and cover crops, and encourages balanced host/predator relationships. Organic residues and nutrients produced on the farm are recycled back to the soil. Cover crops and composted manure are used to maintain soil organic matter and fertility. Preventative insect and disease control methods are practiced, including crop rotation, improved genetics and resistant varieties. Integrated pest and weed management, and soil conservation systems are valuable tools on an organic farm. Organically approved pesticides include “natural” or other pest management products included in the Permitted Substances List (PSL) of the organic standards. The Permitted Substances List identifies substances permitted for use as a pesticides in organic agriculture. All grains, forages and protein supplements fed to livestock must be organically grown.

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