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California Efficient Yields PG&E Workshop 3: Efficient Irrigation Techniques and Water Reuse

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1.5 hours
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Optimize Plant Quality While Protecting Resources

Controlled environment agriculture must be a good steward of water resources if we expect our products to be chosen by today’s discriminating consumers. Water scarcity and fertilizer-polluted bodies of water will continue to be discussed both in the media and at our own kitchen tables.  The commercial cannabis industry has driven innovation such as palletized water treatment skids and HVAC condensate recapture, while the floriculture and vegetable industry has demonstrated for decades  how to recycle irrigation water at full scale. Come to this seminar prepared to learn cutting edge techniques and new technology, no matter how large or small your grow operation. Understand how water quality impacts plant nutrition, how to prevent plant disease from spreading through your watering systems, and how to manage the challenging task of replenishing nutrients in recycled solutions. Understand the pros and cons of different irrigation technologies such as hose-watering, drip irrigation, sub-irrigation, hydroponics and aeroponics. Ready your facility with preventative maintenance tips to reduce biofilms in your plumbing lines, and detect leaks in evaporative cooling systems that can waste thousands of gallons of water a year. 

Topical areas include:

  • Source water treatment and water quality

  • Irrigation water recapture, storage and treatment

  • Nutrient replenishment and pH control

  • Irrigation systems and their advantages and disadvantages

  • Irrigation impact on disease, pests, HVAC, sanitation

  • Irrigation controls and programming

  • Triggering irrigation with environmental cues, scales or sensors

  • Recapturing HVAC condensation and rainwater

  • Maintenance and troubleshooting of water systems


Learning Objectives:

  • Understand principles of irrigation to optimize growth, control insects, disease and height

  • Learn the techniques for irrigating, recapturing and treating water

  • Differentiate the pros/cons of different  systems for irrigation, recapture, storage and treatment of water

  • Understand best practices of  irrigation programming  


Target audience:

  • Cultivators

  • Operations & Facility Staff

  • Design & Construction Partners

  • Property Owners

  • Utility & Government Representatives

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