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APES Unit 5 The Green Revolution Questions and Answers correct $12.49
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APES Unit 5 The Green Revolution Questions and Answers correct
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APES Unit 5 The Green Revolution Questions and Answers correct industrial agriculture - mechanization and standardization applied to food production energy subsidy - fossil fuel energy and human energy input per calorie of food produced - 10 calorie energy input for every 1 calorie you c...

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  • December 4, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • apes unit 5 the green revolution questions and ans
  • industrial agriculture mechanization and standar
  • energy subsidy fossil fuel energy and human ener

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  • APES
  • APES

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APES Unit 5 The Green Revolution
Questions and Answers correct
industrial agriculture - answer - mechanization and standardization applied to food
production

energy subsidy - answer - fossil fuel energy and human energy input per calorie of
food produced
- 10 calorie energy input for every 1 calorie you consume
- most of this is due to fossil fuel use

causes of energy subsidy - answer - fossil fuel use
- fertilizers, pesticides
- tractors, machinery
- irrigation
- transportation

green revolution - answer - shift to mechanization, fertilization, irrigation, pesticide
use, and GMOs over last 100 years

mechanization - answer - economies of scale
- large upfront expenditure justified by profits from increased production
- small farms cannot expend the up-front cost
- average farm size in US has increased form 150 acres to 500 acres over 100 years

economies of scale - answer - average costs of production fall as output increases

monocropping - answer - large plantings of single species or variety

benefits of monocropping - answer - very efficient and productive
- economical

drawbacks of monocropping - answer - more soil erosion
- higher vulnerability to pests
- loss of genetic diversity
- lack of predators

GMO - answer - genetically modified organisms

GMO - answer - traditional artificial selection has been practiced for thousands of
years
- ex: corn, cauliflower, broccoli

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