| Moisture sensing
| Pooley, Sheldon. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 4-9.
| More | 258204 |
| Fertigation
| Schnedl, Donald. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 10-19.
| More | 258206 |
| Specialty valves for irrigation system applications
| Regele, Carlyle. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 20-47.
| More | 258208 |
| Selecting the contractor
| Putnam, Charles S. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 48-54.
| More | 258211 |
| Specifications
| Sarsfield, A. C. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 55-69.
| More | 258212 |
| Contracts
| Metcalf, David R. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 70-73.
| More | 258213 |
| Metrics
| Bell, George. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 74-79.
| More | 258214 |
| Irrigation: Owner's point of view
| Wilson, Bob. 1975. Third Annual Irrigation Seminar Proceedings: The Evolution of an Irrigation System: Phase III. p. 80-84.
| More | 258215 |