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9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
9 28 Introduction To Irrigation
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9 28 Introduction To Irrigation

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  • 1. Landscape irrigation Terms & Equipment Plant: Japanese Barberry Term: Irrigation
  • 2. Japanese Barberry <ul><li>Shrub, deciduous </li></ul><ul><li>Hardiness Zones: 4a to 8a </li></ul><ul><li>Height: 3’ to 6’ by Spread : 4’ to 6’ </li></ul><ul><li>Exposure: shade to full sun </li></ul><ul><li>Leaf Color: Green, Purple – Grown for Foliage not blooms </li></ul><ul><li>Has small red berries in fall </li></ul><ul><li>Grows very slowly </li></ul><ul><li>Looks like a red boxwood </li></ul><ul><li>Has small thorns </li></ul>
  • 3. Irrigation <ul><li>Supplying water to land through artificial means. </li></ul><ul><li>Two Types </li></ul><ul><ul><li>Drip – applied to the soil </li></ul></ul><ul><ul><li>Sprinkler – applied over head </li></ul></ul>
  • 4. Drip Systems <ul><li>Used for garden beds, individual plants </li></ul><ul><li>Impractical for turf. </li></ul><ul><li>Drip tubes or porous tubes </li></ul><ul><li>Tree Gators </li></ul><ul><li>May be mandated by code in water conservation areas </li></ul><ul><li>Two emitters </li></ul><ul><ul><li>Pressure compensating – needed for rolling terrain </li></ul></ul><ul><ul><li>Non-compensating </li></ul></ul><ul><li>Emitter spacing depends on soil types and root zone size </li></ul>
  • 5. Sprinklers <ul><li>Used for turf grass areas </li></ul><ul><li>Used for garden beds where obstructions do not block spray patters </li></ul><ul><li>Spray heads – steady flow </li></ul><ul><li>Impact or rotary heads – larger area </li></ul>
  • 6. Comparison To the roots of plants Over top of plants Delivery Location tubing &amp; drip emitters Spray or rotary heads Delivery Mechanism Low Pressure High Pressure Delivery Pressure Drip Sprinkler
  • 7. Comparison Inexpensive Can’t see prob-lems til too late Expensive Easy to find problems Installation &amp; Maintenance No run-off No evaporation Run-off Evaporation Problems Slow Gallons/hour Fast Gallons/minute Delivery Rate Drip Sprinkler
  • 8. Sprinkler Heads: <ul><li>Pop-up </li></ul><ul><ul><li>Size depends on the plant height in the zone </li></ul></ul><ul><li>Spray Nozzles </li></ul><ul><ul><li>Color indicates distance of throw </li></ul></ul><ul><li>VAN – Variable Angle Nozzle </li></ul>
  • 9. Sprinkler Systems <ul><li>Areas to be irrigated are divided into zones based on water flow rates </li></ul><ul><li>Each zone is controlled by a solenoid valve </li></ul><ul><li>Irrigation controller – computer that tells valves when to turn on and off </li></ul>
  • 10. Today <ul><li>Complete day 1 of irrigation packet </li></ul><ul><li>Watch video on planning irrigation </li></ul><ul><li>Go to flagpole garden </li></ul><ul><ul><li>Measure &amp; sketch the garden </li></ul></ul><ul><li>Measure gallons per minute from the bib </li></ul>

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