Podcast
Questions and Answers
Which of the following is not a method to increase food production?
Which of the following is not a method to increase food production?
- Crop rotation
- Organic farming
- Deforestation (correct)
- Intensive irrigation
What is the primary purpose of using green manure in agriculture?
What is the primary purpose of using green manure in agriculture?
- To prevent soil erosion
- To control pests and diseases
- To reduce the use of chemical fertilizers (correct)
- To increase water availability for crops
Why is the practice of overgrazing harmful to food resources?
Why is the practice of overgrazing harmful to food resources?
- It leads to soil compaction and reduced water infiltration (correct)
- It increases the biodiversity of the ecosystem
- It promotes the growth of native grass species
- It enhances the fertility of the soil
Explain the concept of sustainable agriculture and how it can contribute to the improvement in food resources.
Explain the concept of sustainable agriculture and how it can contribute to the improvement in food resources.
Discuss the role of biotechnology in enhancing food resources and the potential ethical considerations associated with its use.
Discuss the role of biotechnology in enhancing food resources and the potential ethical considerations associated with its use.
Evaluate the impact of climate change on global food resources and propose potential adaptive strategies to mitigate its effects.
Evaluate the impact of climate change on global food resources and propose potential adaptive strategies to mitigate its effects.
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Study Notes
Increasing Food Production
- Methods to increase food production include improved farming techniques, crop rotation, and genetic modification.
- Examples of non-methods include deforestation and over-reliance on chemical fertilizers.
Green Manure in Agriculture
- Primary purpose: enhance soil fertility by adding organic matter and nutrients.
- Improves soil structure and promotes beneficial microbial activity.
Overgrazing and Food Resources
- Overgrazing leads to soil degradation, reducing land's productivity.
- Causes loss of native vegetation and increases erosion, impacting food supply.
Sustainable Agriculture
- Concept focuses on farming practices that maintain ecological balance.
- Enhances food resources by promoting biodiversity, conserving water, and reducing chemical inputs.
Biotechnology and Food Resources
- Biotechnology enhances food production through genetic modifications for pest resistance and higher yields.
- Ethical considerations include potential risks to health, biodiversity, and the environment, alongside issues of food equity.
Climate Change and Global Food Resources
- Climate change impacts crop yields through extreme weather, altering growing seasons and increasing pests.
- Adaptive strategies include developing climate-resilient crops, improved water management, and sustainable land-use practices.
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