Josy Areal, Zürich

Soil health: simple tests

pH, structure, and water-holding tests you can repeat on a balcony.

You bring

Two hours and a small soil sample if you have one.

You leave with

A routine for pH, structure, and water-holding.

What changes

Gardens, schools, and balconies read their soil without a lab.

Why it matters

Soil literacy with the people who tend it every day.