Author Question: What duration of combined natural plus supplemental light is commonly used per day for enhancing ... (Read 47 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
What duration of combined natural plus supplemental light is commonly used per day for enhancing photosynthesis in crops?
 
  What will be an ideal response?

Question 2

Plants sometimes grown at a low light intensity under lights are seedlings. The light intensity needed in growth rooms for this situation is ___________ foot candles.
 
  Fill in the blank(s) with correct word



Dnite

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

14 to 18 hours.

Answer to Question 2

500 - 1400 ft. candles.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

For a complete list of videos, visit our video library