Glossary, Soil & Water Quality
pH
Short definition
pH is a scale from 0 to 14 that measures how acidic or alkaline soil or water is, with 7 neutral.
Most plants grow best in slightly acidic to neutral soil. Very alkaline soil can lock up some nutrients and cause yellow leaves, even when the nutrients are present.
Why it matters in Dubai
Soils and water in the UAE are often on the alkaline side. A simple test kit shows where yours sits before you change anything.