May 21, 2024  
2023-2024 WWCC College Catalog 
2023-2024 WWCC College Catalog

IRR 112 - Irrigation Principles

Credits: 5
LEC hours per week: 5
Overview of the elements of irrigation and its industry. Topics include irrigation methods, efficiencies, equipment, and their relationships to soils and plants. Formerly: WGMT 112 and WTM 112.
Course Outcomes:
  • Identify irrigation system components.
  • Identify irrigation system types.
  • Explain the installation, operation, basic maintenance, and costs of types of irrigation systems.
  • Describe the impacts of water quality and supply on irrigation system selection, operation and efficiency.
  • Describe environmental control strategies implemented using irrigation systems.
  • Describe an electrical layout for an irrigation system
  • Analyze irrigation methods for best selection and use.
  • Devise an irrigation scheduling program using the principles of plant-soil-water relationships.
Course Topics:
  1. Hydrologic Cycle
  2. Water Sources, Watersheds and Water Rights
  3. Irrigation Uses
  4. Sprinkler Types
  5. Factors Affecting Performance
  6. System Materials & Components
  7. Types of Systems
  8. System Installation, Operation & Maintenance
  9. Hydraulics & Pumps
  10. Low Voltage Electrical Systems
  11. System Layout, Uniformity & Efficiency
  12. Water Movement in Soils
  13. Soils & Soil Moisture Monitoring
  14. Crops & Plant Water Requirements
  15. Plant-Soil-Water Relationships
  16. Irrigation Scheduling