Increasing mowing heights generally increase water-use rates - ✔✔ correct answer true
infiltration rate is dependent upon which of the following factors - ✔✔ correct answer mowing
height, amount of thatch, soil structure, and soil texture
in Michigan, irrigation work for hire must be performed by a certified irrigation specialist - ✔✔
correct answer false
roots tend to grow from a dry soil toward a wet soil - ✔✔ correct answer false
to avoid surface runoff and/or standing water, the irrigation rate should be equal to or less than
the _____ - ✔✔ correct answer infiltration rate
syringing does not effectively cool the turf grass plant unless there is some wind - ✔✔ correct
answer true
rain shut-off sensors need to be monitored to make sure they are working properly - ✔✔
correct answer true
which of the following draw(s) down the plant available moisture pool - ✔✔ correct answer
transpiration, leaching, evaporation, plant energy and growth
syringing helps restore soil moisture lost to evapotranspiration - ✔✔ correct answer false
light and frequent watering generally reduces turf disease activity - ✔✔ correct answer true
for effective distribution uniformity, irrigation heads should be positioned so there is no less
than _____ overlap - ✔✔ correct answer 80%
, Turf Final Exam
Deep and infrequent watering generally favors deeper rating of turf grasses - ✔✔ correct
answer false
deep and infrequent watering practices suppress any existing chinch bug infestation - ✔✔
correct answer false
in Michigan, irrigation system back flow preventers must be installed by a licensed plumber -
✔✔ correct answer true
scalding damage caused by the lensing effect if water droplets on turf grass blades is
insignificant - ✔✔ correct answer true
which of the following are effective strategies for reducing costs associated with irrigation - ✔✔
correct answer install a designated meter for irrigation water, lower your height of cut, avoid
watering when windy, cycle application times if surface runoff is observed, and put areas with
differing soil textures on separate zones
which of the following contribute to the plant available moisture pool - ✔✔ correct answer
irrigation and precipitation
currently, the disease of primary concern on Kentucky blue grass lanes in Michigan is necrotic
ring spot - ✔✔ correct answer true
summer is typically the season of greatest root growth of turf grasses - ✔✔ correct answer false
Robert W. Hancock, whose the MSU turf research center is named after, discovered the
apparent mutation that was subsequently marketed as Marion Kentucky bluegrass - ✔✔ correct
answer false