Horticulture Test 2
Card Set Information
Horticulture Test 2
If there is 6 mm of polyethylene, how many inches were there?
How can fiberglass be purchased?
years of warranty
weight (4 or 5oz)
What thickness does glazing material come in?
How do you convert cool cells to aspen?
1.6 x the number of square feet
What is the preferred fan to pad distance?
What is the minimum pad height for a cooling system?
If 100,000 CFM is required and you have 5 fans, how much CFM would each fan have to produce?
What is the spacing between each fan?
no farther than 25ft apart from the center
If the total pad area is 400 sq ft and the length is 100 sq ft, how tall would the pads have to be?
If the elevation is 1.2, the factor of light is 1.5 and the temperature is 1.0, what is the factor of the house?
If the green house is 50 ft wide, 100 ft long and has a F velocity of 1.7, what is the CFM requirement?
50 x 100 x 1.7 x 8.0*= 68,000 CFM
What is the length of a chrysanthemum cutting?
5 inches long
How long does root formation of a chrysanthemum take?
How long does 14, 14, 14 osmocat last?
When growing chrysanthemums, how many stems are you trying to get?
3-5 per cutting
What is the night time temperature of a chrysanthemum?
Poinsettias and chrysanthemums are short day plants. To form roots they need what kind of photoperiods?
Is corn a long day or short day plant?
What chemical makes pink hydrangeas blue?
What is the pH of sphangnum moss?
What size should the bud be when you disbud a chrysanthemum?
1/8" to 1/4" in diameter
How many weeks of short day photoperiods does it take to bring chrysanthemum plants to flower?
If there is a 500 sq ft aspen pad area, how many square feet of cool cell is required?
500 x .63*= 315 sq ft of cool cell
What is more efficient on a square foot basis?
What is the pH of pearlite?
How much nitrogen does peat moss have?
less than 1%
What disease attacks seedlings and can be controlled by sphangnum moss?
Will light interruption keep a flower from growing?
What is CFM?
cubic feet per minute
As light density increases, what does the light factor do?
If you want to give plants shade and reduce water loss, what kind of structure would you use?
a lath house
What temperature is used to expand vermiculate?
Does Jiffy mix contain fertilizer?
Where can you order Poinsettia cuttings?
Paul Ecke, Encinitas, CA
Are chrysanthemum cuttings long day or short day plants?
Which is more resistant to hail, fiberglass or lexan?