Across
- 5. Crops that supply the majority of human calories.
- 7. Chemicals used to kill or control crop-damaging organisms.
- 8. Adding water to crops using external sources.
- 10. Partially decomposed plant and animal matter found in soil.
- 11. Ideal soil type for farming with moderate water retention and drainage.
- 14. Physical breakdown of rock by wind, water, cold, or heat.
- 15. Layers of soil beneath the surface, each with different composition
Down
- 1. Nutrients needed in large amounts like carbs, proteins, and fats.
- 2. The process by which fertile land becomes desert.
- 3. A condition where basic caloric needs are not met.
- 4. The loosening and mixing of soil to prepare for farming.
- 6. When raindrops hit bare soil, causing loose particles to be dislodged.
- 9. Ecological disaster caused by drought and poor farming in the 1930s.
- 12. Farming method that follows natural land elevation to reduce water runoff.
- 13. Rows of trees/shrubs planted to reduce wind erosion.