Across
- 3. Build up of pesticides in the tissues of organisms.
- 7. Calorie dense, fats
- 9. Type of fertilizer derived from manure, food waste, and crop residue.
- 13. Type of irrigation where water is allowed to flow over the surface.
- 14. Type of pest management that uses pesticides.
- 15. Restores nutrients depleted from soil.
- 16. Primary source of energy for humans.
- 18. Nutrients needed in smaller amounts in the diet.
- 19. Immunity to a chemical or antibiotic.
- 20. Type of crop that blankets the soil.
- 21. When a diet does not meet basic energy requirement.
- 24. Extreme scarcities of food.
- 26. Type of pest management that changes farming practices.
- 29. Type of pest management that uses parasites and predators.
- 30. Type of erosion where water forms large channels.
- 32. Conversion of fertile land into desert.
- 33. Type of erosion where soil is lost in thin layers.
- 34. This means that chemicals do not break down in the environment.
- 35. Type of plowing that follows the natural curves of the land.
- 36. Type of farming that cuts into hillsides
Down
- 1. Addition of water from external source.
- 2. Absence of one or more micronutrients.
- 4. Rows of trees and shrubs that slow wind in an area.
- 5. Type of irrigation where sprinklers rotate around a tower.
- 6. Found in animal based foods.
- 8. Type of irrigation where tubes deliver water to roots.
- 10. Sustained time periods of lower than average rainfall.
- 11. The weathering of rock.
- 12. Largest particle size, many large spaces.
- 17. Partially decomposed plant and animal matter.
- 18. Type of pest management that used a physical block.
- 22. Type of crops that meet the majority of human calorie demand.
- 23. Chemicals that kill or control organisms that damage crops
- 25. Smallest particle size, few spaces.
- 27. Type of crop that is spaced out.
- 28. The source of water and minerals for plants.
- 31. Protecting soil and preventing future dust bowls.