Chapter 16 - Calculations for Mixing Pesticides

Question 1

How much wettable powder would you put in a 450-gallon tank, given directions to add 3 pounds WP per 100 gallons of water?

Answer 1

13.5 pounds

Question 2

How much wettable powder would you put in an 80-gallon tank, given directions to add 3 pounds WP per 100 gallons of water?

Answer 2

2.4 pounds

Question 3

How much emulsifiable concentrate would you put in a 300- gallon tank, given directions to add 3 pints EC per 100 gallons of water?

Answer 3

9 pints

Question 4

How much emulsifiable concentrate would you put in a 50-gallon tank, given directions to add 3 pints EC per 100 gallons of water?

Answer 4

1.5 pints

Question 5

If one pound of WP is recommended per 100 gallons of water, how many tablespoons of WP would you add to 1 gallon?

Answer 5

1 tablespoon

Question 6

If two pints of EC are recommended per 100 gallons of water, how many teaspoons of EC would you add to 1 gallon?

Answer 6

2 teaspoons

Question 7

How much does 100 gallons of water weigh?

Answer 7

830 pounds

Question 8

How much does 100 gallons of kerosene weigh?

Answer 8

660 pounds

Question 9

How many gallons of 25 percent emulsifiable concentrate (with 2 pounds pesticide per gallon) would you add to a 50-gallon tank to get a 1 percent active ingredient mixture?

Answer 9

2.075 gallons

Question 10

How many pounds of 25 percent wettable powder must you add to 100 gallons of water to get a 1 percent active ingredient mixture?

Answer 10

33.2 pounds