Across
- 4. an unwanted plant
- 5. the amount of crop produced
- 8. to help or be useful to something
- 10. a gas in the air that plants need
- 11. small round green seeds
- 12. the ground where plants grow
- 13. a type of grain grown with hay
- 14. a living thing that grows in soil
Down
- 1. to become bigger or healthier
- 2. dried grass used for animals
- 3. to let something out
- 6. to act together or affect each other
- 7. a type of legume plant
- 9. an insect that harms plants
- 11. to keep something safe