Central Sierra: News & Updates | UCCE Central Sierra

The Advisors, Academics, and Specialists of the UC Cooperative Extension in Central Sierra are hard at work in the field learning about what matters to the people in Amador, Calaveras, El Dorado, Tuolumne Counties and beyond. In these articles, they share important news and updates about their work and deliver research-backed information to the region.

left image shows clear delineation between foraged and un; right image is outline of grazed area on arial map

UCCE Central Sierra: Article

Central Sierra: Virtual Fencing Directs Cattle to Graze Medusahead Grass on California Rangeland

September 11, 2025

By Brian J Allen

Infestations of Medusahead can be suppressed by targeted grazing Medusahead (Elymus caput-medusae) is a common invasive grass on California’s annual rangelands. It accumulates high levels of silica as it matures, making it unpalatable to livestock and slow to decompose. As a result, livestock tend to…

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UCCE Central Sierra: Article

Central Sierra: Virtual Fencing Directs Cattle to Graze Medusahead Grass on California Rangeland

September 11, 2025

By Brian J Allen

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bright green growth on green stem of walnut tree

UCCE Central Sierra Agriculture: Article

Finish Walnut Season Strong for Best Crop Production

August 25, 2025

By Hardeep Singh, Luke K Milliron

September Walnut Orchard Tasks for Agriculture To-Do List September is the time to focus on finishing the crop season well by protecting the kernel color and quality, keeping the insect pests in check, and setting the trees up for a stress-free winter. Irrigation and Nutrition Management in the…

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