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UC Master Gardeners of Monterey, San Benito & Santa Cruz Counties

Compost & Soil Preparation

Good gardeners grow good soil. It's the soil that grows the garden. 

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 San Mateo & San Francisco Counties: Event

Maintaining Garden and Raised Bed Soil: The Soil and Plant Relationship

Apr 12, 2025

Maintaining Garden and Raised Bed Soil: The Soil and Plant RelationshipDescription: Do you know that soil is much more than sand, silt and clay? Healthy soil is all about the relationship between plants and soil. In this talk UC Master Gardener Terry Lyngso will explain the components of soil, why plants…
UC Master Gardeners of San Mateo & San Francisco Counties
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UC Master Gardeners of Monterey, San Benito & Santa Cruz Counties: Event

Regenerative Soil Techniques for the Home Gardener

May 3, 2025

Monterey Bay/Santa Cruz County Master Gardeners invite our local community to join us to learn regenerative soil techniques that you can add to your gardening bag of tricks.Growing healthy soil helps the home gardener grow vibrant veggies and herbs, bountiful fruit trees and gorgeous flowers. We will…
UC Master Gardeners of Monterey, San Benito & Santa Cruz Counties
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UC Master Gardeners of Butte County: Event

“Black Gold” Vermiculture

Sep 27, 2025

Create beautiful, rich, nutritious compost from kitchen and garden scraps, along with help from the vermiculture community. Worms consume the biomass you provide them, digest it, and then excrete worm casting. This workshop, taught by a Certified Composter, will show you how to start the process and keep the…
UC Master Gardeners of Butte County
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workshop on how to nurture and boost your garden soil in Sonoma County
UC Master Gardener Program of Sonoma County: Event

Nurturing Your Garden Soil

Mar 29, 2025

Join us for an informative workshop on selecting the right packaged soil products, mastering composting techniques, and setting up a worm bin for nutrient-rich soil.
UC Master Gardener Program of Sonoma County
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Banner Compost A
UC Marin Master Gardeners: Page

Compost

Composting is the process of turning kitchen and yard waste and other organic materials into a decomposed soil amendment. It is a natural process that provides beneficial microbes and is a key ingredient in organic gardening and farming.
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Seedlings, sunflower, and pomegranates represent spring, summer, and fall in the garden/
UC Master Gardeners of Butte County: Page

Garden Guide & Three-Year Journal

The Butte County Garden Guide and Three-Year Journal is compiled and edited by the UC-trained Master Gardeners of Butte County. This county-specific book contains tips for every home gardener.
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mulch
UC Master Gardener Program of Sonoma County: Page

Mulch

Of the many different types of materials that can be used to cover the ground, only mulch derived from plants benefits the soil and the garden. Learn why.
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