How has California's agricultural production changed over the past century? We digitized County Ag Commissioner crop reports to build a free interactive county map of acreage, production and value back to 1928, plus 4,175 original reports. https://calag.ucdavis.edu/ca_county_crops_dashboard.html
CalAg
@calaguc.bsky.social
Core for Agriculture, Logistics, and Globalization (CalAg) extension and research lab studying California's agricultural economy. CalAg.ucdavis.edu @UCANR.edu @ucdavisare.bsky.social @jaysayre.bsky.social
What does Europe's new zero tariff mean for California prune growers? We look at the 2026 crop, how Chile overtook California in world prune exports, and what the tariff cut is worth per kilogram. https://calag.ucdavis.edu/reports/2026-10-27-prune-market-report.html
October 2026 California Prune Market Report
Chile's share of world prune exports rose from 27% to 40% since 2010 while the U.S. share fell by half. This report examines the 2026 California crop, world supply, and what the EU's new zero tariff on U.S. prunes changes.
calag.ucdavis.edu
How will a warming climate change where California's specialty crops can grow? Our new interactive map shows chill, bloom frost, heat and other crop-specific measures for almonds, walnuts, grapes, rice and more through 2075. Search any address. https://agsuitability.ucdavis.edu/
Future Suitability for California Specialty Crops
Interactive map of how winter chill, frost and heat change for eight California specialty crops (almonds, cherries, grapes, olives, pistachios, rice, walnuts and agave) from 2011–2020 through 2075, under three emissions scenarios and 15 climate models. Search any address.
agsuitability.ucdavis.edu
How much more are California farms paying for diesel this harvest? Diesel hit $8.25 a gallon in late September, up 65% from a year ago and a record even after inflation. We estimate the added cost per acre for major crops. https://calag.ucdavis.edu/reports/2026-09-24-diesel-market-report.html
September 2026 California Diesel Market Report
California diesel averaged $8.25 a gallon in September 2026, up 65% from a year earlier and a record even after inflation. This report covers crude oil and diesel prices and estimates added costs per acre for major California crops.
calag.ucdavis.edu
Why are wholesale avocado prices half what they were a year ago? See our report about the supply surge behind the 2026 reset. https://calag.ucdavis.edu/reports/2026-05-04-avocado-market-report.html
May 2026 Avocado Market Report — A Pricing Reset
USDA terminal-market wholesale prices for Hass avocados ran roughly half their year-ago levels through the first 19 weeks of 2026. A short report on the supply story behind it.
calag.ucdavis.edu
How are fertilizer costs affecting California agriculture? We explore how global supply disruptions are raising costs for growers using an interactive dashboard showing how much costs may increase. https://calag.ucdavis.edu/reports/2026-04-06-fertilizer-cost-report.html
Fertilizer Costs and California Agriculture — 2026 Price Outlook
How global fertilizer supply disruptions are raising costs for California growers. Interactive dashboard with UC Davis cost study data and 2026 price scenario projections.
calag.ucdavis.edu
UCDavis ARE Assistant Professor of Cooperative Extension James Sayre remarks on how water costs are affecting CA avocado growers in a recent San Diego Union-Tribune article. www.sandiegouniontribune.com/2026/03/15/e...
Escondido has some of San Diego County’s priciest water. Avocado growers have waited a decade for a lifeline.
Americans are eating more avocados than ever before. But in San Diego County’s avocado belt, sky-high water costs prevent farmers from benefiting.
sandiegouniontribune.com