Across
- 1. plants that flower in response to specific day lengths
- 8. fungal disease mostly on wooded plants which causes damage to the bark
- 9. chemical used to kill insects
- 12. process of a seed sprouting and beginning to grow
- 13. the costs of heating, cooling, ventilating, and lighting the controlled
- 15. members of the phylum Arthropoda with 3 body segments and 6 legs
- 20. the material resulting from the decomposition of plant or animal matter
- 21. growing different crops on the same land over a period of growing seasons to aid in insect control and preserve soil quality
- 22. where the stem of the plant meets the roots. Do not bury this when repotting.
- 23. a heat expanded mineral material to aid in soil drainage
Down
- 2. chemical used to kill pests
- 3. any agent which destroys or prevents the growth of fungi
- 4. organism which competes for resources or can be dangerous to an organism's health
- 5. process of plants drooping or shriveling due to lack of H2O
- 6. a fungal disease that causes discoloration, wilting, and death in plants
- 7. mix used for plant production:can be soilless
- 10. any unwanted or undesirable plant which competes with desirable plants for resources
- 11. process of puncturing small holes in the ground to reduce soil compaction and increase pore space
- 14. loss of leaves
- 16. any organism which lives on or inside another organism in order to survive
- 17. small openings on the surface of leaves that allow for gas and H20 exchange
- 18. disease producing agents which cause harm to other organisms
- 19. organic material which covers the soil surface to retain moisture and inhibit weed growth
- 20. chemical used to kill plants
- 23. a measurement of soil's acidity