FALL 2008
WMGT 112: Irrigation Principles
DEPARTMENT:
Water Management & Irrigation Technology
INSTRUCTOR:
Greg Farrens
ADDRESS:
Walla Walla Community College
500 Tausick Way
Walla Walla, WA 99362
PHONE:
(509) 527-4250 Office
(509) 522-2390 Home
(509) 527-4572 Fax
E-MAIL:
greg.farrens@wwcc.edu
TYPE OF COURSE: Lectures and hands-on activities related to water management
and irrigation principles, methods, and applications.
COURSE LENGTH: Fall Quarter
CREDIT HOURS:
1 quarter credit
PREREQUISITES:
None
COURSE
DESCRIPTION:
An introduction of pump and piping systems. Basic water hydraulics
related to irrigation systems. Analysis of plant-water-soil relationships
COURSE
OBJECTIVES:
Upon completion of this course, you will be able to:
1. Identify water management techniques
2. Identify irrigation systems
3. Analyze irrigation methods
4. Apply the principles of soil-water-plant relationships
5. Experience installation, operation and maintenance of
irrigation systems
REFERENCE
TEXT:
Irrigation, Fifth Edition, The Irrigation Association,
Pair, Hinz, Frost, Sneed, and Schiltz, 1983
1
WMGT 112 - Course Expectations
1.
Class attendance: Attend each class on time!
2.
Assignments: All ten (10) assignments are to be turned in before class on the
day due. Late assignments are accepted with a 20% penalty per class day. You
may turn an assignment in early or send it with someone to turn in. Assignments
will be 50% of the course grade.
Unit 1:
Unit 2:
Unit 3:
Unit 4:
Unit 5:
Unit 6:
Unit 7:
Unit 8:
Unit 9:
Unit 10:
Sprinkler Applications and Water Management
Installation, Operation and Maintenance
Water Hydraulics and Pumps
Soil-Water-Plant Relationships
Plant–Water Requirements
Irrigation of Specific Crops
Water Quality and Supply
Environmental Controls
Chemical Applications
Economics
3.
Tests: There will be five (5) tests.
4.
Grading Summary:
Assignments (10 @ 5% each)
Tests (5 @ 10%)
Grade
A
AB+
B
BC+
C
CD+
D
F
50%
50%
100%
Percentage
93-100
90-92
87-89
83-86
80-82
77-79
73-76
70-72
65-69
60-64
<60
2
WMGT 112: Irrigation Principles
Fall Quarter Schedule 2008
Monday
Tuesday
Wednesday
Thursday
Friday
112A
Introduction
Sprinklers
Mainline
Hand Line/
Wheel Line
Center Pivot
Solid Set
Drip
Turf
Nelson Tour
Test
112B
Sprinkler
Performance
Sprinkler
Performance
Sprinkler
Patterns
Can Testing
Uniformity
Installation
Installation
Operation
Operation
Maintenance
Test
112C
Pressure
Flow
Piping
Pumps
Pumps
Soils
Intake Rates
Water Holding
Capacities
Soil Moisture
Measurement
Test
112D
ET and CU
Irrigation
Requirements
Water
Scheduling
Weather
Stations
Crops
Holiday
Crops
Water Supplies
Water Quality
Water Law
Test
112E
Frost Protection
Crop Cooling
Liquid Waste
Chemical
Injection
Chemical
Injection
Other Sprinkler
Applications
Capital Costs
Annual Costs
Energy and
Water Savings
Energy and
Water Savings
Test
11:30-1:30
3