Soils And Compost

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compost garden
UC Master Gardeners of Amador County: Page

Amador Compost Learning Center

A new Community Compost Site opened in June 2025 at Mother Lode Land Trust’s C&C Ranch. The site is a collaborative effort by the Land Trust, University of California Master Gardeners, Amador Waste Management and Recycling Department, and is supported by a generous grant from CalRecycle. This partnership…
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Person working soil with rake in foreground
The Backyard Gardener: Article

Difference Between Soil and Dirt

April 17, 2025
By Dustin W Blakey
By Carmen Kappos Inyo-Mono Master Gardener Volunteer While the words soil and dirt are often used interchangeably there are differences between them. Recently, Dustin Blakey, our local UCCE Farm Advisor, gave a talk called “Preparing Garden Soil on the East Side.” During this discussion Dustin…
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Some garden plants viewed from above
UC Master Gardeners of Inyo and Mono Counties: Article

Common Questions about Eastern Sierra Soils

April 8, 2025
By Dustin W Blakey
Some questions continually resurface on the Inyo-Mono Master Gardener helpline. Hopefully your question is answered here! Additional soil resources can be found on our website, but this is a good page to start with.FAQsQ: My plants are dying. What fertilizer is missing? A: It is exceedingly unusual to…
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Moss landing and elkhorn slough
Salinas Valley Agriculture: Article

Evaluation of Heavy Metals in Agricultural Fields following the Moss Landing Battery Fire

March 26, 2025
By Michael D Cahn, Richard F Smith
Summary: This limited study indicated that a slight deposition of metals (Copper and Manganese) may have occurred in one agricultural field, but the increases measured in the surface samples were likely insignificant relative to normal background levels for these soil types. Other sites showed no increase in…
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UC Master Gardeners of Monterey & Santa Cruz Counties: Collection

Compost & Soil Preparation

Good gardeners grow good soil. It's the soil that grows the garden.  
Ornamental plant and strawberry plants with a trowel.

UC Master Gardeners of Central Sierra

  UC Master Gardeners are community members who have been trained under the direction of the University of California Cooperative Extension. Master Gardeners help the UC Cooperative…
UC Master Gardeners of Orange County at events

UC Master Gardeners of Orange County

What's Going On In Our Gardening Community - Want to learn from the experts?  The Master Gardeners of Orange County provide gardening information to the public. Our mission is to share…
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soil and composting information for home gardener
UC Master Gardener Program of Sonoma County: Page

Soil and Composting

 Soil health and fertility underlie success in our food and ornamental gardens, but not all soils are ideal for productivity. In many locations of Sonoma County, heavy clay predominates while loose sandy soil is found in coastal areas as well as in isolated pockets inland. Some home gardeners find that…
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