Lesson 1
Soil Is the Engine
See why roots need air as well as water, and how texture, structure and compaction decide whether they get both.
Predict
Your patio basil sits in a saucer that has been brimming since Tuesday's downpour. The compost is soaking wet, yet the leaves hang limp.
What is the basil short of?
Choose a prediction, then select Next to see the answer.