Across
- 2. The amount of light falling on a surface one foot away from a candle
- 4. Elements: Nutrients that plants require in only trace or small amounts
- 5. Growing plants without soil
- 6. Medium: The "soil" used to grow the plant with may or may not contain actual soil. Usually Composed of a mixture of peat moss, perlite, and, or other materials to provide support and moisture retention
- 7. Irrigation: Point specific irrigation accomplished through the use of piping and tubing with emitters locates at strategic watering points
- 12. Te Greek word for work
- 14. The simple sugars that result from photosynthesis
- 17. A floating,Mexican raft used for hydroponics on marshes
- 18. Spectrum:The colors within a light source
- 19. Reservoir: A container that holds the nutrient solution in a hydroponic system
- 22. The series of processes a plant goes through to convert food into energy
- 23. The Greek word for water
- 24. The amount of water vapor present in the atmosphere
- 26. The brightness of a light source
- 27. Light: A special fluorescent light that provides plants with the proper type and amount of light for growth
- 28. Having a pH of more than 7.0
Down
- 1. A fundamental substance that comprises matter
- 3. The green pigment found in plants leaves and stems
- 8. The process by which chlorophyll in plant leaves converts sun and nutrients into photosynthates
- 9. The movement of water from the plant roots out through the leaves
- 10. Molecules or compounds that contain carbon. Ordinarily carbonates are not recognized as being organic
- 11. Having a pH of less than 4.0
- 13. A material added to soil to increase it's fertility
- 15. Expose the plant roots to the circulation of air
- 16. A portable platform
- 20. A mixture of water and nutrients used in hydroponics
- 21. An index of the acidity or alkalinity of a substance
- 25. Matter: Solid components of soils resulting from the partial
- 29. Elements: Nutrients that plants require in large amounts