TURF 435 EXAM 2 QUESTIONS WITH VERIFIED ANSWERS. A+ GRADE 2025/2026.

TURF 435 EXAM 2 QUESTIONS WITH
VERIFIED ANSWERS. A+ GRADE
2025/2026.




Which fertilizer is primarily comprised (more than half) of water insoluble N (WIN)?


Methylene urea
KNO3
urea
ureaform

triple super phosphate - ANS ureaform


Which of the following environmental/edaphic conditions or post-application procedures does
NOT contribute to ammonia/urea volatilization from turfgrass systems?


soil pH >7.6
excessive thatch layer
temperatures exceeding 95 degrees F
applying a modest amount of irrigation

all of the these - ANS applying a modest amount of irrigation




1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED

, When temperature and soil water levels are within the optimal range for turfgrass growth and
all other things are equal; turfgrass vigor, density, and color often relate directly to:


the moon phase
N availability
salinity
traffic

dow jones industrial avg. - ANS N availability


Under which of the following environmental/edaphic conditions is availability of soil P expected
to be limited to turfgrass?


supra optimal soil pH
prolonged cold temperatures
suboptimal soil pH
predominately weathered, low-OM, and iron-rich clay soil

all of these - ANS all of these


Which of the following physical traits of turf grasses does NOT increase as leaf N sufficiency is
raised from medium to high or very high N sufficiency?


leaf dark green color
shoot density
root length/growth
turf vigor/growth rate

none of the above - ANS root length/growth




2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED