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How Much Water Landscapes Really Need

Wednesday, October 10th
12:15 - 2:15 PM

Presented by Janet Hartin,
University of California Cooperative Extension

CEU Accreditation: PLANET, 2

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Course Description:
New state guidelines require that all newly instated landscapes over 2,500 square feet be irrigated at or below an Evapotranspiration Adjustment Factor (ETAF) of .7, which was previously .8. There are a wide array of irrigation strategies that can help professionals maintaining these landscapes adhere to the new regulations, including reducing water waste due to poor distribution uniformity, hydrozoning, increasing the precision of water -applied in root zones of drip-irrigated ornamental plantings, and proper use of soil amendments and mulch. The speaker will address these topics using real world examples based on the results of research conducted by University of California scientists throughout California. Attendees will learn how to set up irrigation schedules that promote plant health and conform to the new statewide standards.

Janet Hartin is a nationally-recognized expert on sustainable landscape practices (irrigation and water management, greenwaste recycling and compost use, and integrated pest management stressing prevention) and has served as University of California Environmental Horticulturist for San Bernardino and Los Angeles Counties since 1984. During her career, she has presented over 1,000 talks to both professional and consumer audiences. Janet earned undergraduate and graduate degrees in Horticulture from University of Minnesota. She is currently a Principal Investigator (with UC colleagues Loren Oki and Dave Fujino) on a $450,000 contract from the CA Dept. of Water Resources to monitor the performance of a wide array of ornamental trees, shrubs, groundcovers, and turfgrasses grown under various microclimates and irrigation regimes in various climate zones throughout the state. She recently authored a book entitled 'Become a Landscape Company Owner' and co-authored 'Compost Use for Landscape and Environmental Enhancement' with Dr. David Crohn (a free 92-page download) and routinely writes articles on sustainable landscaping principles and practices for industry publications. She currently serves as the Associate Editor for Environmental Horticulture for the University of California Division of Agriculture (ANR) and Natural Resources; serves on the statewide Master Gardener Steering Committee; serves on the UC ANR Peer Review Committee; and, is University of California Chairperson for the annual Turf and Landscape Institute.

Janet Hartin, Environmental Horticulturist, University of California Cooperative Extension, San Bernardino and Los Angeles Counties

Schedule subject to change


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