SOIL

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Across
  1. 4. Layer with humus.
  2. 6. Layer of weathered rock.
  3. 7. Layers of soil.
  4. 8. Check wind speed.
  5. 9. Overuse of soil.
Down
  1. 1. They return nitrogen to soil.
  2. 2. Soils of semi-arid regions.
  3. 3. Common in the Chambal Valley.
  4. 5. Soil conservation in hilly areas.
  5. 9. A rock forming clayey soil.