The course
Every lesson on one map
Start anywhere. The order is a suggestion, and every lesson opens on its own. Finished lessons get a check mark.
Track 1 How plants really grow
- What a plant actually needsLesson 1. You are here.
- What soil does, and what it does not doLesson 2. Coming up.
- Roots: drinking, eating, breathingLesson 3. Coming up.
- Plant food: the nutrients and what each one is forLesson 4. Coming up.
- Light and why it mattersLesson 5. Coming up.
- Water as a delivery systemLesson 6. Coming up.
Track 1 finishedGet your certificate for Track 1
Track 2 Hydroponics
- Growing without soilLesson 7. Coming up.
- Six ways to do itLesson 8. Coming up.
- The nutrient solutionLesson 9. Coming up.
- pH: the nutrient lockLesson 10. Coming up.
- Nutrient strength: the soup testLesson 11. Coming up.
- Oxygen at the rootsLesson 12. Coming up.
- What plants stand in: growing mediaLesson 13. Coming up.
- When things go wrong: reading a sick plantLesson 14. Coming up.
- Project: grow lettuce in a jarLesson 15. Coming up.
Track 2 finishedGet your certificate for Track 2
Track 3 Aquaponics
- Fish and plants as partnersLesson 16. Coming up.
- The bacteria you cannot seeLesson 17. Coming up.
- The nitrogen cycle, step by stepLesson 18. Coming up.
- Starting a system: why you wait before adding fishLesson 19. Coming up.
- Choosing fish and plants that get alongLesson 20. Coming up.
- Keeping the balance: feeding, pH, temperatureLesson 21. Coming up.
- When things go wrong: fish, plants, or bacteria?Lesson 22. Coming up.
- Project: design a small aquaponics system on paperLesson 23. Coming up.
Track 3 finishedGet your certificate for Track 3
Track 4 Feeding the future
- Water, land, and why growing methods matterLesson 24. Coming up.
- Farms in cities, deserts, and spaceLesson 25. Coming up.
- Jobs in growing: who works in this fieldLesson 26. Coming up.
Track 4 finishedGet your certificate for Track 4
You finished the whole courseGet your course certificate
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