1. Wind Break Irrigation By C. Prestwich

2. Soil water extraction by Plants

4. Irrigation Water Filtration

5. Flat Screen filter

6. Disk Filter

7. Furrow Irrigation

8. Furrow Placement for Surface Irrigation

10. Sprinkler Irrigation

17. Drip Irrigation Systems

18. Isometric view of Drip Hose

19. Plan View of Drip Irrigation

20. Emitters: Wetted Diameter, Spacing, & Number/Tree

21. What exactly is P w ? P w is the average horizontal area wetted in the top 6 to 12 inches of the root zone as a percentage of the total crop area. (NEH 623, Ch. 7) For a lone tree P w =A w /A rz AwAw A rz emitter Tree trunk Surface area wetted

22. Percent Wetted Area & Number of Emitters e= # of emitters/tree SeSe SpSp SwSw SrSr

23. Wetted diameter overlap