Chapter 19 - Weather-Wise Application

Question 1

Wind can actually help reduce air pollution during an inversion.
true or false?

Answer 1

true

Question 2

Weather-wise applications can help you save money by saving the pesticide lost through _____ and ______.

Answer 2

drift, runoff

Question 3

Windy day application increases hazard to you and bystanders.
true or false?

Answer 3

true

Question 4

If pesticide drifts onto a nontarget area, causing injury or economic loss, the applicator is legally responsible.
true or false?

Answer 4

true

Question 5

Why must spray applications dry onto a surface before a rain?

a. so the rain won’t cause runoff of the pesticide
b. so the rain wont dilute the pesticide
c. because rain sometimes reacts with pesticide and may harm the plant

Answer 5

a. so the rain won’t cause runoff of the pesticide

Question 6

What harm can pesticide runoff do?

a. it can harm nontarget plants
b. it can harm wildlife
c. it can pollute water
d. all of the above

Answer 6

d. all of the above (a. It can harm nontarget plants b. it can harm wildlife c. it can pollute water)

Question 7

What weather factors reduce drift?

a. lack of wind, low temperatures and low humidity
b. lack of wind, low temperatures and high humidity
c. low wind, high temperatures and high humidity

Answer 7

b. lack of wind, low temperatures and high humidity

Question 8

What conditions make early morning or evening a good time for application?

a. wind speed is lower and humidity is higher than other times of the day
b. both wind speed and humidity are lower
c. both wind speed and humidity are higher

Answer 8

a. wind speed is lower and humidity is higher than other times of the day

Question 9

When does an inversion occur?
a, when air near the soil surface is warmer than the air above it
b. when the surface air has lower humidity than the air above it
c. when the surface air is cooler than the air above it

Answer 9

c. when the surface air is cooler than the air above it