Lesson 12
Containers and Raised Beds
Treat a pot as a small, fast-changing system: why gravel raises the wet layer, why water swings spoil fruit, and what a raised bed can and can't fix.
Predict
Two identical pots with drainage holes: one is filled with compost all the way down; the other has a deep layer of gravel at the bottom, as the old advice says.
After a good watering has drained, where does the soggiest compost end up in the gravel pot?
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Choose a prediction, then select Next to see the answer.