Soil Degradation

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Across
  1. 1. AND BURN Clearing and burning forests to prepare land for farming.
  2. 3. EXHAUSTION Loss of soil nutrients due to overuse.
  3. 6. DEGRADATION Decline in the quality and fertility of soil.
  4. 10. When animals eat too much grass and plants.
  5. 11. Cutting down large areas of trees.
  6. 12. Extraction of minerals from the soil.
  7. 13. FARMING Farming across slopes to reduce water runoff.
Down
  1. 1. FARMING Planting crops in strips to prevent erosion.
  2. 2. Increase of salt in the soil.
  3. 3. CONSERVATION The protection and careful management of soil.
  4. 4. Farming method where crops are grown on steps cut into hillsides.
  5. 5. ROTATION Alternating different crops on the same land to restore nutrients.
  6. 6. EROSION Wearing away of topsoil by wind and water.
  7. 7. Excess water on land caused by heavy rain.
  8. 8. EXPANSION Expansion of cities that reduces farmland.
  9. 9. Growing the same crop repeatedly on the same land.