Mulch is one of the best tools you have, but more is not always better.
A good mulch layer protects the soil, moderates temperature, reduces evaporation, feeds biology, and softens the impact of heavy rain. But problems can show up when mulch is too thick, too fresh, or packed right against stems and trunks.
A practical guide:
- **Light mulch** for seedlings and tiny plants
- **Moderate mulch** for established vegetables
- **Deeper mulch** around fruit trees and pathways where airflow is still okay
Useful mulch materials include:
- straw
- spoiled hay, if low in problematic seeds
- dry leaves
- wood chips, especially around trees and pathways
- chopped prunings
- cane trash or similar local biomass where available
Watch out for:
- mulch piled against trunks or stems
- sour or slimy mulch layers
- seed-heavy hay spreading weeds
- very fresh high-carbon material locking up nitrogen on the surface
The real question is not “How much mulch?” but **“What does this crop, this season, and this site need?”**
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