« previous next »

Author Question: What duration of combined natural plus supplemental light is commonly used per day for enhancing ... (Read 16 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jul 22, 2018
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
Reply #1 on: Jul 22, 2018
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
« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

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.

To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ... To check for voltage at terminal 30, use a test light or a voltmeter. Start by connecting the ...
Natural Healing Timeline Natural Healing Timeline
Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ... Apply passive touch over the eyes and cheeks to finish. Place the hands, using very light pressure, ...
Natural gas is a cleaner fuel than coal Natural gas is a cleaner fuel than coal
Light in air is initially traveling parallel to the face AC of an equilateral triangular prism, ... Light in air is initially traveling parallel to the face AC of an equilateral triangular prism, ...
Chart showing average yearly dose of radiation from natural and human-made sources Chart showing average yearly dose of radiation from natural and human-made sources
Video: TRH/TSH/Thyroid hormone

For a complete list of videos, visit our video library