Bioindicators
Reading wild plants as clues about the soil, not as proof.
3 lessons · 3-question quiz · practice: Soil Detective

Short, free courses to learn to read your soil, your crops and your water. Leave your details and you are in.
Five short courses, with lessons and a quiz at the end. Available in 7 languages.
Reading wild plants as clues about the soil, not as proof.
3 lessons · 3-question quiz · practice: Soil Detective
Leaf symptoms as guidance: mobile and less mobile nutrients, and how to cross-check with the soil.
3 lessons · 3-question quiz · practice: Soil Detective
Living soil, bokashi and compost, liquids and mountain microorganisms: where to start a small biofactory.
4 lessons · 4-question quiz
How to spread water across the landform (Yeomans), indicative steps and their limits.
5 lessons · 3-question quiz · practice: Swales game
Which products may be used in Spain to protect crops (basic substances under their SANTE report) and why mineral mixtures are regulated plant protection products.
1 lesson · 2-question quiz