12 Reasons Your Seeds Fail to Sprout --- and Foolproof Ways to Fix Them
4. Soil Fertility Matters

Starved seeds won't sprout well.
Fix it:
Test soil & amend with:
- Compost (nitrogen)
- Bone meal (phosphorus)
- Wood ash (potassium)
| Nutrient | Deficiency Signs | Fix |
|---|---|---|
| Nitrogen | Weak roots | Aged manure |
| Phosphorus | Slow sprouting | Rock phosphate |