Biology 2485B Lecture Notes - Lecture 12: London City Council, Sustainable Agriculture, Urban Agriculture

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We previously identified several negative impacts of modern agricultural practices: Fertilizer runoffs leads to algal blooms and poses human health risks. Irrigation can lead to waterlogging and salinization of soils. Pesticides can affect non-target organisms and human health. There are many different approaches to sustainable agriculture . Sustainable: an activity that meets our current needs without reducing the ability to meet our future needs. Softens" the soil and makes it easier to plant the new crop. Percent of planted acres under no-till system for selected crops, 2000-2010 (crop surveyed varies by year: more commonly used increase in the % of acres using no-till methods over 10 years. Fastest growing agri-product sector (fruits, vegetables, dairy are the most) Prefer the taste, desire to buy locally: concern about pesticide health risks, desire to improve environmental quality (reducing chemical pollution and soil degradation, also, many textile makers are increasing their use of organic cotton.

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