INAG235

Irrigation and Drainage

Restriction: Permission of instructor. Credit only granted for: INAG235, PLSC235 or PLSC489I. Formerly: PLSC489I. Additional information: Priority enrollment will be given to IAA and PLSC majors. By permission for available seats. An overview of U.S. and state water doctrines and plant water use rates. Irrigation systems for residential and athletic field use will be discussed covering such topics as hydraulics, sprinkler spacing, pipe selection and sizing, pumps, controllers, valves, and irrigation trouble shooting. Surface and subsurface drainage for turfgrass sites will also be covered.

Spring 2026

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Spring 2025

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Past Semesters

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During the Spring 2020 and Spring 2021 semesters, students could choose to take some of their courses pass-fail mid-semester which skews grade data aggregated across multiple semesters.

Average GPA of 2.35 between 30 students*

INAG235 Grade Distribution+-0510152025303540455055% of studentsABCDFWother
A-: 13.33%
B-: 10%
B: 10%
B+: 3.33%
C-: 13.33%
C: 26.67%
C+: 13.33%
D: 3.33%
W: 3.33%
other: 3.33%
* "W"s are considered to be 0.0 quality points. "Other" grades are not factored into GPA calculation. Grade data not guaranteed to be correct.