Indicate the advantages and disadvantages of mat, tube, and overhead sprinkler water systems for pot watering
What will be an ideal response?
Mat watering has the advantage of accommodating pots of any size
without modification to the system. It requires a flat bench and leads to
modification of the fertilization system. Microtube watering requires adaptation to
fit pots of different sizes, but like mat watering it is a system which keeps plant
foliage dry thus reducing disease incidence. Overhead spray is the cheapest to
install. For a few crops it is a safe method of watering but for most, it fosters
disease development by wetting foliage.
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Health care facilities that do not require a Type 1 or Type 2 EES may use batteries for emergency power provided that they maintain 87-1/2 percent of their voltage under full load for a period of _____.
a. 30 minutes b. 60 minutes c. 90 minutes d. 120 minutes
What is the binary equivalent of the decimal value 437?
A) 101111111 B) 110110101 C) 101101011 D) 11111100
Exterior slabs of concrete patios and porch floors should be placed a minimum of ____ below the bottom of the floor structure or any wood framing, or the foundation wall should extend above the floor framing to the bottom of the wall structure.
A. two inches B. four inches C. six inches D. eight inches
Add the following numbers to obtain the correct sum.17 + 42 + 51 + 42 + 464 + 1,353 + 409 =
What will be an ideal response?