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This Investigating the Effects of Biochar on Soil Fertility lesson plan also includes:
Breathe some new life into charcoal. Scholars use biochar to improve soil fertility. They test the effectiveness of this addition by conducting an experiment with soil having 0%, 2%, and 4% biochar.
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Instructional Ideas
- Invite a soil scientist to give a presentation
Classroom Considerations
- Experiment requires pots and plant seeds
- Note that the resource recommends lettuce, radish, or clover seeds if testing germination rates
Pros
- Lists some detailed background information for instructors
- Provides a link to a site for health and safety considerations
Cons
- None