Principals of turf grass management Exam Question s and Answers
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Course
Environmental turf grass management
Institution
Environmental Turf Grass Management
How large is the root system of a single grass plant? - Answer-387 miles or 622816 meters (622.8 km)
Grass is estimated to trap some _________ of dust and dirt from the air annually. - Answer-d) 12 million tons or 10.89 metric tons
Turfgrasses produce oxygen through what process? - Answer-Pho...
Principals of turf grass management
Exam Question s and Answers
How large is the root system of a single grass plant? - Answer-387 miles or 622816
meters (622.8 km)
Grass is estimated to trap some _________ of dust and dirt from the air annually. -
Answer-d) 12 million tons or 10.89 metric tons
Turfgrasses produce oxygen through what process? - Answer-Photosynthesis
The massive root structure and dense top-growth of turfgrasses provides for the
excellent control of _________ and _________ . - Answer-Erosion, & runoff
How does the turfgrass root system help purify water? - Answer-Roots serve as a filter
preventing pollutants from reaching the ground water below
On a summer day, an acre of turf will dissipate approximately how much of the sun's
heat reaching it? - Answer-50 percent
The front lawns of eight average houses provide the cooling effect of about - Answer-70
tons or 63.5 metric tons
Grass clippings contain about what percentage of N, P, and K by weight? - Answer-4
percent N, 0.5 percent P, and 2 percent K
What is the investment recovery rate for landscape improvement around a house? For
the addition of a deck or patio? - Answer-e) 100 to 200 percent for landscape and 40 to
70 percent for a deck
What does the "Egg Drop Test" actually test? - Answer-Surface hardness
On a sunny day in August, if the temperature of a green, irrigated turfgrass surface is
80° F (26.7° C), what might be the temperature of a synthetic turf surface at the same
location? - Answer-158° F or 70° C
Grassed areas reduce undesirable noise by - Answer-20 to 30 percent
What are some of the other environmental benefits of turfgrasses? - Answer-a) Fire
prevention and control, pest control, and glare reduction
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