Use the following scenario to answer (click the radio button) questions 1-3.

Rebecca’s lot measures 100 ft. x 100 ft. Her home covers 2,000 square feet. It has been recommended that she apply 1 lb. of nitrogen per 1,000 square feet of lawn.

1. What is the square footage of Rebecca’s lawn?

a. 12,000 square feet
b. 10,000 square feet
c. 8,000 square feet
d. 6,000 square feet

2. How much total nitrogen will Rebecca apply to her lawn using the 1 lb./1000 square foot rate?

a. 0.8 lbs.
b. 1.0 lb.
c. 1.2 lbs.
d. 8.0 lbs.

3. Using a 10-10-10 fertilizer, how much fertilizer should Rebecca purchase to cover her entire lawn?

a. 40 lbs.
b. 60 lbs.
c. 80 lbs.
d. 100 lbs.

Use the following scenario to answer questions 4-6.

John is at his local garden center looking for lawn fertilizer. His soil test results indicate his soil is high in phosphorous and low in potassium.

4. What other information does John need before buying his fertilizer?

a. Credit card
b. Square footage of his lawn
c. Ph level
d. Watering schedule

5. Which fertilizer would be best for John’s lawn?

a. 10-0-15
b. 10-10-10
c. 10-15-0
d. 10-15-10

6. When applying his fertilizer, John accidentally applies a small amount onto his sidewalk. What should he do?

a. Wash it into the street
b. Sweep it up and place on the lawn
c. Leave it blow away in the wind
d. None of the above

7. With the exception of nitrogen, what is the most appropriate way to determine the amount of nutrients to be applied to your lawn?

a. Ask a garden center employee
b. Ask your neighbors
c. Use the fertilizer bag recommendations
d. Use your soil test results

8. To have the least negative potential impact on water quality, what type of nitrogen should be applied?

a. Any nitrogen type will work
b. Readily available nitrogen
c. Slowly available nitrogen
d. A mixture of nitrogen types

9. What is integrated pest management (IPM)?

a. Organic pest control
b. Chemically dependent approach to pest management
c. Systematic, information intensive approach to pest management
d. Finding the fastest way to get rid of pests

10. Janet has a problem with her St. Augustine lawn. It is later summer/early fall and she has circular patches of light brown turf. The leaf blades easily pull away from the runners. What would you suspect is Janet’s turfgrass problem?

a. St. Augustine decline
b. Brown patch
c. Water stress
d. Chinch Bugs

11. Using IPM methods, what can Janet do to control this problem?

a. Water more frequently
b. Improve drainage and irrigation practices
c. Apply any fungicide
d. None of the above

12. It is mid-August and the Jones family notices small but expanding patches of yellow grass that later turn brown in their St. Augustine lawn. What foliar feeding insect would you suspect is damaging their lawn?

a. Chinch bugs
b. Fire ants
c. Grasshoppers
d. White grubs

13. How can the Jones family use IPM to minimize insect problems?

a. Control thatch
b. Plant resistant varieties
c. Irrigate properly
d. All of the above

14. In winter, you notice small green patches in your dormant Bermuda grass lawn. What can be causing these green spots?

a. Summer annual broadleaf weeds
b. Summer annual grassy weeds
c. Winter annual weeds
d. Leprechauns

15. What management technique could reduce the pest you selected in question 14?

a. Maintaining a dense turf
b. Using adapted grasses
c. Using herbicides labeled for control of the weed and labeled as safe for the grass type
d. All of the above

16. What is potential evapotranspiration (PET)?

a. Production of food for the plant
b. Loss of water from the soil
c. Loss of water from the plant
d. Loss of water from the soil and plant

17. Applying 1 acre inch of water actually supplies ________ gallons per square foot of lawn.

a. 0.31
b. 0.62
c. 0.93
d. 1.00

Use the following scenario to answer questions 18-21.

Bob called his local county extension office to find out how much water he should apply to his lawn. The county agent found that the annual potential evapotranspiration (PET) rate in Bob’s area is 75 inches and the annual rainfall is only 20 inches. From the Texas ET network, Bob calculated his weekly PET rate at 1.4 inches. He also found from the ET network that his warm season grass only needs 60% of its PET rate to persist.

18. What is the annual water deficit for Bob’s lawn?

a. 18”
b. 20”
c. 55”
d. 75”

19. If Bob waters weekly, how much water should he apply when watering his lawn?

a. 0.42”
b. 0.84”
c. 1.00”
d. 1.50”

20. All things considered, when should Bob water his lawn?

a. Early morning (before 8:00 a.m.)
b. Midday
c. Late afternoon
d. Evening (8:00 p.m. – 12:00 a.m.)

21. What technique should Bob use to apply the proper amount of water?

a. Sprinkle the lawn daily
b. Water continuously until the soil is saturated
c. Water as deeply and as infrequently as the soil will allow
d. Set the irrigation timer once and let it alone

22. What is a sign of water stress?

a. Uniform color
b. Dense turf
c. Smooth texture
d. Leaf rolling

23. Indicate your level of agreement (click the appropriate column) for each statement using the categories: