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