BRAE 331 Final questions & answers
graded A+
Under tree sprinklers provide protection through a combination of mechanisms, but are less
effective than over-vine sprinklers because they do not apply water to the plant surfaces
themselves. (T/F) - correct answer ✔✔True
For freeze protection with sprinklers, when should the sprinklers be turned on, relative to the
air temperature "target", to prevent freeze damage?
The "target" is the temperature at which damage will start to occur. - correct answer ✔✔When
the wet bulb temperature equals the target.
For almonds, which stage of nut development is the most sensitive to freeze events? - correct
answer ✔✔Small Nut
**Question 4 quiz 1** - correct answer ✔✔
Type of freeze that typically occurs with clear skies and low wind. - correct answer ✔✔Radiant
Type of freeze that occurs when long wave radiation exceeds the incoming solar radiation over a
day cooling the region to the point where a freeze occurs. - correct answer ✔✔Radiant
Type of freeze that cannot be protected against - correct answer ✔✔Advective
Type of freeze where an inversion layer is common - correct answer ✔✔Radiant
Type of freeze common with higher winds - correct answer ✔✔Advective
graded A+
Under tree sprinklers provide protection through a combination of mechanisms, but are less
effective than over-vine sprinklers because they do not apply water to the plant surfaces
themselves. (T/F) - correct answer ✔✔True
For freeze protection with sprinklers, when should the sprinklers be turned on, relative to the
air temperature "target", to prevent freeze damage?
The "target" is the temperature at which damage will start to occur. - correct answer ✔✔When
the wet bulb temperature equals the target.
For almonds, which stage of nut development is the most sensitive to freeze events? - correct
answer ✔✔Small Nut
**Question 4 quiz 1** - correct answer ✔✔
Type of freeze that typically occurs with clear skies and low wind. - correct answer ✔✔Radiant
Type of freeze that occurs when long wave radiation exceeds the incoming solar radiation over a
day cooling the region to the point where a freeze occurs. - correct answer ✔✔Radiant
Type of freeze that cannot be protected against - correct answer ✔✔Advective
Type of freeze where an inversion layer is common - correct answer ✔✔Radiant
Type of freeze common with higher winds - correct answer ✔✔Advective
