Irrigated Pastures

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Bermuda buttercup infesting a bed of landscaped plants.
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Spring is in the Air, and Oxalis is Everywhere

April 17th, 2025
By Lindsey Hack
Bermuda buttercup (Oxalis pes-caprae), also called buttercup oxalis or sourgrass, might be a familiar sight in winter and spring, particularly to those who live in coastal regions or the Sacramento Valley. Some people enjoy seeing this plant’s cheerful yellow flowers pop up in their spring gardens, but for…
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The buds shown on the walnut branches are male flowers called catkins
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UC scientists ask walnut trees: When do you need to be irrigated?

April 16th, 2025
By Trina Kleist
UC scientists are working with growers in Tehama, Butte, Lake, Amador, Contra Costa, Stanislaus and Yolo counties to test a new way of measuring the irrigation needs of walnut trees. Shackel and team think this new method will allow growers to use less water by not irrigating early in the season, and trees…
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Phone with robot image in a farm field
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Survey on AI Chatbots in Farming

April 11th, 2025
This short survey aims to gather your valuable insights on how a specialized agricultural chatbot could assist with your day-to-day farming operations. You can either test our prototype and compare it with ChatGPT, or simply share which features would be most beneficial for your specific farming context.The…
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Seed packets
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April 2025: The Joys of Selecting and Planting Seeds

March 24th, 2025
 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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Central Sierra: Calendar

UC Central Sierra programming includes virtual and on-line training as well as in-person classes and workshops in Amador, Calaveras, El Dorado, and Tuolumne Counties.
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Rangeland with oak trees and cattle.
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Central Sierra: Oaks & Rangeland

UC Cooperative Extension provides information about weed control, native grasses, oak woodland conservation and ranch water quality to landowners, ranchers and others concerned with rangeland conservation in the Central Sierra Foothill Counties.
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Companian planting workshop in the backyard of a master gardener.
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Projects & Services

Butte County Master Gardeners share research based knowledge and information on home horticulture, pest management, and sustainable landscape practices through workshops, presentations, and programs.
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