Fertilizer
A plant has leaves that are turning yellow. Which nutrient is it most likely deficient in?
Nitrogen
Plant response where a plant grows towards a light source.
Phototropism
GDU stands for what?
Growing Degree Unit
Term to describe the yellowing of leaves in a plant
Chlorosis
Nitrogen
14
Plant that flowers when the length of darkness increases.
Short Day Plant
The avg. temp for the day is 72 degrees. The base temp is 55. How many GDUs were gained in this day?
17 GDUs
If a plant is showing signs of slow or little growth, it might be described as being what word?
Stunted
In NPK, P stands for?
Phosphorus
You have one ton of a 10-20-10 fertilizer. How many pounds of Nitrogen are in the fertilizer?
200
Plant that flowers when the length of darkness decreases
The average temp for the day was 53. The base temp is 55. How many GDUs were gained in this day?
0
Term for a plant nutrient needed in very small quantities.
Micronutrient
In NPK, K stands for?
Potassium
Mulder's Chart: How does Zinc affect Iron?
Zinc reduces the available iron.
Plant that will flower regardless of the amount of light it receives.
Day Neutral Plant
A plant is able to grow in zones 6-9. Name 2 states where this plant can grow.
Answers will vary
Term used to describe a plant that has grown long and thin with very little support for the plant.
Spindly
For a 15-10-5 fertilizer, what percent of the fertilizer is Potassium?
5%
Phosphorus
What is one example of a Short Day Plant?
Poinsettia, Chrysanthemum
A plant can survive winter temperatures up to -20 degrees. In which zones will this plant not survive the winter?
Term for a plant nutrient needed in high quantities
Macronutrient.]
In the last five days, your crop had 10, 7, 21, 15, and 11 GDUs. What is the accumulated GDU count after these five days?
64 GDUs