True/False
Indicate whether the
statement is true or false.
|
|
|
1
|
Bark can be used as a root media.
|
|
|
2
|
Peat moss is often used as a root media because it decomposes slowly and has a
high water-holding capacity.
|
|
|
3
|
Soilless culture is the easiest and cheapest way to grow greenhouse
plants.
|
|
|
4
|
Incorrect watering is the most frequent cause of reduced crop quality or
failure.
|
|
|
5
|
Hand watering of greenhouse plants is the most consistent method of
watering.
|
|
|
6
|
There is no need to worry about fertilizing with micronutrients when dealing
with greenhouse crops because they use so little nutrients and what they do use is found in the root
media.
|
Multiple Choice
Identify the
choice that best completes the statement or answers the question.
|
|
|
7
|
Which is NOT an important property of root media?
a | moderate to high CEC | c | good water retention ability | b | High Carbon to
Nitrogen ratio | d | suitable
pH |
|
|
|
8
|
Which is the cheaper media pasteurization method?
|
Completion
Complete each
statement.
|
|
|
9
|
The best root media for water drainage and for aeration is
________________.
|
|
|
10
|
One type of root media is ____________________, which is made from heated
volcanic rock.
|
|
|
11
|
Manures aren’t often used as a root media because of the concern of
________________ toxicity.
|
|
|
12
|
The two most common chemicals used in chemical pasteurization are chloropicin
and ________________ ______________.
|