Lecture_10_Green_Revolution_and_Organic_Agriculture_outline

Lecture_10_Green_Revolution_and_Organic_Agriculture_outline...

Info icon This preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
College of Sustainability – Dalhousie University SUST 1000: Introduction to Environment, Sustainability & Society I Fall Term 2013 Tuesday, October 8 The Green Revolution and Organic Agriculture Guest: Dr. Andrew Hammermeister, Faculty of Agriculture 1. The green revolution – 1940s-1960s a. international effort to use technology (irrigation, machinery, pesticides and fertilizers, plant breeding) to increase the global food supply b. focused on corn, wheat and rice c. Outcome: caloric intake up 25%, famine decreased, improved standards of living. d. Challenges remain: ever-increasing population, limited land, water and energy. 2. Wheat and Human Transformation of Plants a. Wheat gluten: a complex protein, allows yeast bubbles to be held in dough b. Agriculture begins 10,000 years ago; Co-evolution of grasses with humans c. Grain crops (wheat, corn and rice) significantly changed from wild ancestors; have replaced most natural savannah and prairie ecosystems d. Human selection for: large seeds, many seeds, seeds adhering to stalk e.
Image of page 1
This is the end of the preview. Sign up to access the rest of the document.
  • Fall '13
  • Mannell
  • organic agriculture, i. Marquis wheat, Modern wheat varieties, Common hard wheat, productive wheat varieties

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern