Across
- 4. - A machine that makes small holes in the ground to allow air into the soil.
- 7. - A pipe attached to a building that carries rainwater from the roof to the ground.
- 9. - The presence of large numbers of something living and harmful.
- 11. - The practice of fertilizing a plant by applying fertilizer to the leaves.
- 12. - A channel attached to the edge of a roof to carry rainwater away.
- 13. - A slope or the steepness of a slope.
Down
- 1. - A way to water plants by bringing water directly to plant roots.
- 2. - A substance that is added to soil to help plants grow.
- 3. - A substance that kills weeds.
- 5. - A tree or shrub that produces cones instead of fruit.
- 6. - A device that measures the amount of water in soil.
- 8. - A plant that is strong and can withstand challenging conditions.
- 10. - To remove the matted layer of roots and dead grass from a lawn.
- 13. - Protective coverings for the eyes made of clear plastic or glass.
- 14. - A plant that lives for only one growing season.