ch 13 crossword puzzle

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Across
  1. 3. A chemical used to kill or control pests that affect crops and plants.
  2. 7. Land that is left unplanted for a season to allow it to recover and regain fertility.
  3. 8. Organisms, especially crops, that have been altered using genetic engineering techniques.
  4. 10. The practice of cultivating soil, growing crops, and raising animals for food.
  5. 11. The removal of topsoil by wind, water, or other natural agents, leading to land degradation.
  6. 12. The practice of growing different types of crops in the same area to prevent soil depletion.
  7. 13. The preparation of land for growing crops by digging, stirring, and overturning the soil.
  8. 14. The practice of creating stepped levels on steep terrain to reduce soil erosion and improve irrigation.
Down
  1. 1. A method of growing plants without soil, using mineral nutrient solutions in water.
  2. 2. Agricultural practices that maintain ecological balance and preserve resources for future generations.
  3. 4. The artificial application of water to soil to assist in the growing of crops.
  4. 5. The farming of aquatic organisms such as fish, crustaceans, and plants.
  5. 6. A substance added to soil to provide essential nutrients for plant growth.
  6. 9. The cultivation of a single crop in a given area, often associated with large-scale farming.
  7. 15. A structure used to grow plants in a controlled environment, often for off-season production.