Greenhouse

123456789101112131415
Across
  1. 3. A greenhouse covering that has the highest light transmission
  2. 4. plant reproduction, or making several plants from one plant
  3. 7. taking a piece of a stem or plant and rooting the stem
  4. 8. Very good material for hobby greenhouses or small custom designed houses
  5. 9. are usually sold in cell packs plants used for flower beds
  6. 11. substances that plants are grown in are called
  7. 14. very little maintenance is needed and the frames are strong and long lasting
  8. 15. Curved roofs; military hut-style
Down
  1. 1. Rafters of equal length and Usually clears spans w/ truss supports
  2. 2. greenhouse just used for shielding plants from wind and very low temperatures
  3. 5. Good heat insulation. Good light transmission. Available in clear, corrugated single layer panels.
  4. 6. Cathedral arch-forward style Eliminates truss supports Adds a double layer of polyethylene covering
  5. 10. these black cloths are commercially available in weaves that black from 5 to 90 % of the sun
  6. 12. using a part of a plant instead of a seed only one parent needed for progation
  7. 13. Rafters of unequal length Usually used for hillside placement ADVANTAGES: maximizes sun light