ENVS 2130 Lecture Notes - Lecture 5: Sustainable Agriculture, Nitrogen Fixation, Fungibility

• School: University of Guelph
• Department: Environmental Sciences
• Course: ENVS 2130
• Professor: Peter Kim

Document Summary

Envs 2130 eating sustainability in ontario unit 5. Read chapter 10 and pretty: agricultural sustainability concepts, principles and evidence (451-455) Joel moves these cattle at the end of the day (cid:271)e(cid:272)ause that"s (cid:449)he(cid:374) sugar le(cid:448)els hit their peak: grain is the closest thing in nature to an industrial commodity storable, portable and fungible. 5. 1: agricultural sustainability what is it: sustainable. 5. 3: steps towards sustainability: there are many different sources precision agriculture, biodynamic, permaculture, free range, agrarian philosophy, agriculture has an additional function beyond providing food, feed, fiber and fuel. Land produces both agricultural products and biodiversity needed: ecosystem services water purification, pollination, etc. Importance of rural communities and human welfare (fair trade, local food, etc) Intensive systems large amounts of labor and capital relative to land area, fertilizer, insecticides, fungicides and herbicides, high-efficiency machinery for planting, cultivating and harvesting, irrigation equipment: sustainable intensification (the middle ground) Integrated systems: agroforestry when you coupling forestry with agriculture (good results)