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10 Cards in this Set
- Front
- Back
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Homes tend to have... |
*Constant temperatures *low humidity *little air movement *lower light levels *short dark period |
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What is usually the limiting factor in indoor plants? |
Light |
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Define sunny or very high light |
>1000 ft-c Areas receive at least 5 hours of direct sunlight in the winter Unobstructed window facing southeast, south or southwest |
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Define Semi-sunny or high light |
500-1000 ft-c Areas receive 2-5 hours of direct sunlight per day in the winter Unobstructed window facing the east or west |
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Define semi-shade or medium light |
150-500 ft-c Areas having bright light but little or no direct sunlight Obstructed window facing east or west |
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Define Shady or low light |
<150 ft-c Areas receive no direct sunlight, but have enough light to cast a shadow Window facing north |
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99% of light is in the wavelengths between.... |
300- 3000 nm |
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Photosynthetically Active Radiation ranges from what? What are the peaks? |
400-700 nm 400 and 650 |
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Supplement lighting |
standard flood lamp produces light in the upper visible spectrum; i.e. orange, red, and far-red |
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Standard Cool White |
fluorescent lamp produces light in the lower visible spectrum; i.e. blue, green, and orange |
