Rangelands

Ocean water polluted with plastics and other pollutants
Pure Water Matters - Your Essential Guide to Drinking Water Quality!: Article

Contaminantes de Preocupación Emergente (CECs), Medidas de Mitigación y Regulaciones en el Sur de California

March 27, 2025
By Esther N Lofton, Daniel Gonzalez
Los Contaminantes de Preocupación Emergente (CECs) son sustancias que representan un riesgo para la salud y el medio ambiente, pero no se monitorean regularmente en el agua potable. Este artículo examina varios tipos de CECs, incluyendo PFAS, microplásticos, pesticidas, productos farmacéuticos y…
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Valley oak tree atop a hill of brown grass.
Pests in the Urban Landscape: Article

Webinar: Mediterranean Oak Borer and Other Oak Pests

March 26, 2025
By Lauren Fordyce
Join UC IPM for a free webinar on the invasive Mediterranean Oak Borer (MOB) and other important oak tree pests on April 10, 2025 from 6:00pm to 7:30pm. The Mediterranean Oak Borer (MOB) is an invasive ambrosia beetle that infests several species of white oaks in California: valley oak, blue oak,…
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Seed packets
UC Marin Master Gardeners: Article

April 2025: The Joys of Selecting and Planting Seeds

March 24, 2025
By Melissa McLean
 It’s hard to find a gardener who doesn’t love checking out new seed varieties and anticipating the abundant and tasty harvest they promise. The photos and descriptions are tantalizing and the names intriguing. Who wouldn’t be curious about a pumpkin variety called ‘Abominable’, a pepper named ‘Frodo’,…
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UC Environmental Stewards: Event

CalNat Riverside-Corona Resource Conservation District course

Jan 29, 2025 - Mar 26, 2025

Full course website: http://calnat.ucanr.edu/Take_a_class/Inland_Empire/ The Riverside-Corona Resource Conservation District is pleased to offer the California Naturalist certification course to the Inland Empire.
UC Environmental Stewards
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UC Environmental Stewards: Event

CalNat Riverside-Corona Resource Conservation District course

Aug 7, 2024 - Oct 2, 2024

Full course website: http://calnat.ucanr.edu/Take_a_class/Inland_Empire/ The Riverside-Corona Resource Conservation District is pleased to offer the California Naturalist certification course to the Inland Empire.
UC Environmental Stewards
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UC Environmental Stewards: Event

CalNat Riverside-Corona Resource Conservation District course

Jan 24, 2024 - Mar 27, 2024

Full course website: http://calnat.ucanr.edu/Take_a_class/Inland_Empire/ The Riverside-Corona Resource Conservation District is pleased to offer the California Naturalist certification course to the Inland Empire.
UC Environmental Stewards
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UC Master Gardener Program of Sonoma County: Page

Determining How Much Water to Apply and How Often

Water requirements of landscape plants change throughout the year. Daylength, temperature, relative humidity, and wind speed all affect the loss of water from soil and plants. In the absence of rain, these losses must be replenished by irrigating.
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UC Master Gardeners of El Dorado County: Page

Central Sierra: El Dorado County - Master Gardener - Native Garden

The Sherwood Demo Garden is comprised of 16 individual gardens. The goal of the Native Garden is to inspire people to include more natives in their own gardens, and to see that they do not need to give up beauty when creating a low water use, wildlife friendly, natural foothill yard.
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