SFEC CROSSWORD

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Across
  1. 4. A key element of the water cycle for farming
  2. 7. The upper layer of earth where plants grow
  3. 8. A source of protein from water ecosystems
  4. 9. Tiny units from which plants grow
  5. 10. A grain also known as maize
  6. 13. A system combining agriculture and forestry
  7. 16. Natural or artificial substance added to soil to promote plant growth
  8. 19. The ability to endure and remain productive over time
  9. 20. A source of light and energy for plants
Down
  1. 1. The practice of growing crops and raising animals for food
  2. 2. Important for shade and producing fruits or wood
  3. 3. To reduce waste and preserve resources
  4. 5. Living organisms that convert sunlight into energy
  5. 6. A grain used to make bread and pasta
  6. 8. People who produce food by cultivating land
  7. 9. To keep food safe for later consumption
  8. 11. Severe scarcity of food in a region
  9. 12. Often sweet and eaten fresh, such as apples or oranges
  10. 14. A staple grain for much of the world's population
  11. 15. A place where crops and livestock are cultivated
  12. 17. A nutritious liquid produced by mammals
  13. 18. The process of increasing in size or maturity