BRAE236 Drip Lab 9 - IAEF Drip Mod Presentation B_edit

BRAE236 Drip Lab 9 - IAEF Drip Mod Presentation B_edit -...

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Unformatted text preview: 11/7/2011 1 Drip/Micro Irrigation Concepts and Applications What is Drip/Micro Irrigation? Low flow rates Site specific water application Site specific water application Polyethylene emitters/components 11/7/2011 2 Microirrigation History Became widespread in some areas of the US by the mid-1970s Two major early forms of drip irrigation: 1. Row crop drip using thin walled tape products 2. Orchard and vineyard drip irrigation using polyethylene hoses Row Crop Drip Where is the irrigation system? Answer: Buried directly under the plants 11/7/2011 3 Row Crop Drip Removable tape Portable main lines and laterals Portable main lines and laterals Row Crop Drip on Row Crop Drip Strawberries 11/7/2011 4 Row Crop Drip Retrieving Drip Tape from Lettuce Orchard and Vineyard Drip Pulsating Emitter for Frost Protection Drip emitters to satisfy Drip emitters to satisfy Plant Water Requirements Greenfield, CA 11/7/2011 5 Orchard and Vineyard Drip Component: the Emitter Two major types Drip emitters: 1 4 gph (gallons per hour Drip emitters: 1 - 4 gph (gallons per hour) Microsprayers: 4 - 30 gph Drip on Grapes - Hose suspended from trellis wire. Microsprayer on Lemons - Yuma Mesa ID, Yuma, AZ Drip Emitters Online vs. Inline- Attached to drip hose after installation in the field- Manufactured with the drip hose installation in the field hose Online button emitters 11/7/2011...
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This note was uploaded on 11/12/2011 for the course BRAE 236 taught by Professor Styles during the Fall '08 term at Cal Poly.

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BRAE236 Drip Lab 9 - IAEF Drip Mod Presentation B_edit -...

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