Increasing agriculture crossword

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Across
  1. 4. A plant growing in an innapropiate place.
  2. 5. A chemical used to control pests but also less accurately used as a colective term to descrive pest and disease killing chemicals.
  3. 7. An animal that attacks or feeds on a plant.
  4. 9. A colective name to describe disease-causing organisms.
  5. 11. The movement of the water up plants and its subsequent loss as water vapor from their leaves.
  6. 13. A chemical or natural substance added to soil or land to increase its fertility.
  7. 15. Not consisting or deriving from living matter.
  8. 16. A chemical that kills insects.
  9. 18. The avility of a living organism to survive one exposed to a toxic chemical.
  10. 19. A chemical used to control fungal diseases.
  11. 20. A natural or artificial layer on the soil surface used to reduce water evaporation and weed grow.
Down
  1. 1. A chemical used to control weeds.
  2. 2. The process by which fertil land becomes desert.
  3. 3. The introduction of machines or automatic devices into a process, activity or place.
  4. 6. Derive from living organisms.
  5. 8. A sequence of BNA that is responsable for a characteristic of a living organism.
  6. 10. Plant that contain nitrogen-fixing bacteria in their roots to produce a source of nitrates.
  7. 12. The supply of water to a crop by the grower.
  8. 14. A pathogen that attacks a plant.
  9. 17. A building made of glass or similar transparent material that is used to manage the environment for plant growth.