Across
- 3. overall physical condition of soil
- 4. found just below the school
- 6. main nutrient in soil and has an atomic symbol of N
- 7. of soil
- 11. nutrients to soil
- 12. to analyse the quality of soil
- 13. to dig up soil
Down
- 1. for a sustainable world
- 2. fertiliser made from food scraps and decomposed plant material
- 5. be determined by the number of cracks or pores in the soil
- 8. form in waterways when there are too many nutrients in soil
- 9. found in soil which shows that the soil is healthy
- 10. scientist test soil quality