Turf (3b) Turfgrass Management - Test Your Knowledge Exam Questions with Correct Answers
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Course
Environmental turf grass management
Institution
Environmental Turf Grass Management
Name four environmental factors that affect turfgrass health and growth. - Answer-Temperature, light, relative humidity, soil type, soil moisture, and the availability of essential minerals.
Name two management practices that may affect turfgrass health. - Answer-Watering, mowing, thatch managem...
Turf (3b) Turfgrass Management - Test
Your Knowledge Exam Questions with
Correct Answers
Name four environmental factors that affect turfgrass health and growth. - Answer-
Temperature, light, relative humidity, soil type, soil moisture, and the availability of
essential minerals.
Name two management practices that may affect turfgrass health. - Answer-Watering,
mowing, thatch management, and fertilization practices.
Why are environmental conditions important to plant health? - Answer-All plants have
environmental requirements and tolerances. Suitable environmental conditions will keep
plants healthy and thriving. A healthy plant is less susceptible to pest infestations.
What is the energy source green plants use to produce food? - Answer-Photosynthesis
is "powered" by light energy.
Describe the functions of plant roots. - Answer-Roots absorb water and minerals. They
stabilize the stem. They also store moisture and excess food.
Does turfgrass have taproots or fibrous roots? How does this effect management and
use? - Answer-Grasses have fibrous roots, and their roots form a mat in the upper few
inches of soil. Because of this, a good stand of turf may act like a filter, reducing runoff
and preventing leaching of surface materials to groundwater. Grass stands are also
used for erosion control and to stabilize steep slopes. Turfgrass roots do not extend
deep into the soil. For that reason, they cannot draw upon moisture deep in the soil
profile as a plant with a taproot can.
Why do plants need soil pore spaces? - Answer-Roots need the pore spaces to allow
water to reach the roots and to allow gas exchange (oxygen in, carbon dioxide out) to
take place.
What feature of grass plant anatomy may affect pesticide and fertilizer applications? -
Answer-Grass leaf blades grow in an upright fashion, perpendicular to the soil. This
growth habit affects application of pesticides and fertilizers to stands of turf. It can be
difficult to apply a liquid spray to leaf surfaces uniformly. Liquids may run down the leaf
blades and drip off of leaf tips. On the other hand, it is easier to apply granular materials
to turf than to a stand of broadleaf plants. Granules can fall between grass leaf blades
without being redirected.
What features affect managing turfgrass height? - Answer-In grasses, the growing point
is at the base of the stem, not at the tip. This allows grass to tolerate cutting - grazing or
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