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California Agriculture
Scopus
ISSN 0008-0845 · University of California Agriculture and Natural Resources · 8.479 artikel di indeks
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Artikel Jurnal
Elevating the quality of 4-H volunteer learning: Development of the UC 4-H Volunteer Educators’ Guide and training series
California’s 4-H program relies on volunteer educators to facilitate learning experiences, yet many report needing practical training in lesson planning, child development, and facilitation. To address this, we developed the UC 4-H Volunteer Educators’ Guide and a facilitation-ready training…
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Artikel Jurnal
Farm ownership in the San Joaquin Valley highlights different capacities to adapt to changing groundwater regulations
California’s San Joaquin Valley is home to some of the nation’s most productive farmland. Yet, this agricultural productivity has been achieved through unsustainable groundwater use to support irrigation. The Sustainable Groundwater Management Act (SGMA) seeks to address the negative consequences…
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Artikel Jurnal
The benefits of oak woodland restoration can exceed the costs of treating conifer encroachment
Woody encroachment is a common threat in many fire-dependent ecosystems throughout the world. In northwestern California, conifer encroachment threatens the survival of deciduous oak woodlands and rangeland habitats, resulting in many negative impacts to flora and fauna biodiversity and livestock…
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Artikel Jurnal
Grassland biomass thresholds critical to fire behavior in California
Anecdotal and fire behavior modeling evidence indicates that livestock grazing can reduce herbaceous fuels and improve ecosystem resilience in an era of expanding and intensifying wildfires. To quantify these effects in California, we established a statewide, multi-year (2020 to 2022) study…
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Artikel Jurnal
4-H Sustainable Polymers curriculum strengthens youth scientific literacy
Plastics are integral to modern life, but their production, use, and disposal also create significant environmental and social challenges, making scientific literacy about plastics important for informed civic and personal decision making. We examined how the grade 9-12 4-H Sustainable Polymers…
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Artikel Jurnal
Accepting food assistance benefits varied by market operator type at Sacramento region farmers markets
This study examines the availability of food assistance programming at certified farmers markets in the Sacramento region of California. These programs offer nutrition benefits to shoppers and economic benefits to direct-marketing farmers and the wider regional economy. We used surveys (_n_ = 59)…
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Artikel Jurnal
California sheep and goat ranchers adjust to wage increases
California’s Assembly Bill 1066 overtime-for-farm workers law increased minimum sheep and goat range herder wages by 250% in 6 years, from less than $2,000 a month in 2018 to almost $5,000 in 2025. However, higher wages did not attract domestic U.S. workers to herding: most herders in the United…
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Artikel Jurnal
New estimates show the first decline in California’s organic share of cropland
Building on the historic leadership of California farmers in organic agriculture, statewide climate mitigation goals include increasing organic production to 20% of all cropland by 2045. The focus on cropland reflects the increased opportunity to reduce synthetic additives as compared to animal…
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Artikel Jurnal
A critique of California’s Forest Practice Rules’ capacity to accommodate resilience silviculture
The wildfire crisis in California will likely require fundamental changes to forest practice regulations so that foresters can practice resilience silviculture that modifies forest conditions sufficiently to avoid further conversions of the landscape into non-forested vegetation types. We assessed…
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Artikel Jurnal
Building soil health: Lessons learned from seven field trials on the California Central Coast
California’s Healthy Soils Program (HSP) funds demonstration projects to assess and showcase the impact of HSP practices in California agroecosystems. Here, we summarize findings from seven controlled field trials, each 2 to 3 years in length, and assess the potential of various HSP practices to…
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Artikel Jurnal
For California walnut drying, fuel choice and improved training and automation may reduce energy consumption
Drying is an energy-intensive step in walnut production, accounting for 19% of processing costs and contributing to greenhouse gas emissions. This study surveyed 19 California walnut drying facilities to update energy consumption estimates and identify factors influencing energy use. The variables…
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Artikel Jurnal
Volunteer programs are effective at reducing urban water use in Marin County, California
Reducing irrigation usage for residential landscapes is a key strategy for managing water demand, but many property owners struggle to implement effective water conservation. Garden Walks is an educational program that supports trained volunteers to visit local residential properties. They suggest…
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Artikel Jurnal
Nitrogen budgeting made easy for annual summer crops with a new online calculator
The need for fertilizer nitrogen (N) highly depends on site-specific factors. In addition to fertilizers, residual soil nitrate, nitrate in the irrigation water and N mineralized from soil, organic matter can provide significant amounts of crop-available N. The need for fertilizer N can be more…
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Artikel Jurnal
Exploratory survey of rice growing practices identifies perceptions and management of weedy rice
Weedy rice (_Oryza sativa_ L. spp.) is an emerging weed in California rice production. To address weedy rice issues and improve extension efforts, information is needed about the prevalence of growing practices that may contribute to or prevent weedy rice infestations, and about grower awareness…
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Artikel Jurnal
A case study of evapotranspiration at five almond orchards on a spectrum of conventional to regenerative management
In an increasingly unstable climate, it is critical to optimize water needed for crop irrigation to secure food production and livelihoods while reducing environmental impacts. Here, we focus on water use for almonds — a crop that occupies roughly 20% of the irrigated agricultural land in…
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Artikel Jurnal
Survey of California dairy nutritionists on extent of byproduct usage
Byproduct feedstuffs play a crucial role in California dairy rations and contribute to the sustainability of the industry, but the extent of their usage in the state has not been widely investigated. In March 2022, we sent a byproduct feeding and management survey via email to 61 dairy cattle…
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