CO2 is injected into greenhouses from the months of _________________ through _______________. Each day in this period, it is injected for the time period from ___________________________ unless the following happens: ______________
Fill in the blank(s) with correct word
Sept or Oct through April or May, 30 minutes before sunrise to sunset,
unless the exhaust fans turn on or the ventilators are open more than 2 inches.
You might also like to view...
All of the following are true statements about multi-ribbed belts EXCEPT:
A. A multi-ribbed belt may have an automatic belt tensioner B. A multi-ribbed belt may be used to drive all the belt-driven components C. The back side of a multi-ribbed belt may drive a component on a serpentine application D. A multi-ribbed belt drives only one component
What should process technicians routinely check when performing monitoring and maintenance activities?
A) Excess vibration B) Low oil levels C) High temperatures D) All of the above
What are the two major photosynthetic enzymes found in plants?
What will be an ideal response?
From a performance standpoint, a substitute for R-12 is ____________________.
Fill in the blank(s) with the appropriate word(s).