As we have seen, increasing agricultural yields (outputs) has negative impacts on the environment. The factors influencing environmental degradation are:
- Energy use
- Soil erosion
- Human cost
What is sustainability?
Sustainable agriculture is the production of food, fiber, or other plant or animal products using farming techniques that protect the environment, public health, human communities, and animal welfare. This form of agriculture enables us to produce healthful food without compromising future generations’ ability to do the same. Source: Sustainable table definition, Wikipedia
Methods of Sustainable Agriculture:
- Maintaining soil health
- Nutrient Cycling
- Sustainable eating
- Farm welfare
What are Energy Efficiency Ratios?
Read 269-271 of Nagle and Cooke
Create a google doc with:
- Important vocabulary on the reading.
- To do: a, b on p.271
Evaluate EER as a measure of sustainable agriculture
- Define Food Miles
- Examine the concept of food mile as a measure of environmental impact