Agronomy Research & Information Center
Agronomy Research & Information Center
Agronomy Research & Information Center
University of California
Agronomy Research & Information Center

Agronomy Blog

  • Implementing N-Rich Reference Zones to Inform In-Season N Fertilization Practices

    Added May 27, 2020
    Figure 1.

    This is our second in a series of blog posts on improving nitrogen (N) use efficiency in California small grains. This post focuses on the use of N-rich reference zones to assess in-season N status and make management decisions based on crop need. Our...

  • 2020 Virtual Small Grains Field Day

    Added May 18, 2020
    Icon FieldDay

    Due to the health concerns surrounding COVID-19, we had to cancel our annual field day that typically occurs in May at UC Davis. While there is no full replacement for seeing field trials in person, the UC small grains research and extension team has...

  • New resources available for conducting and interpreting soil nitrate quick tests

    Added May 13, 2020
    Measuring soil nitrate in the field.

    Measuring soil nitrogen (N) prior to fertilizing can improve N fertilizer management. The soil nitrate quick test is a simple and low-cost test. It provides a ballpark estimate of the soil nitrate-N concentration in the rootzone. Nitrate is a highly...

  • Delayed Harvest Incentive Program for Wheat and Triticale

    Added March 9, 2020
    A wheat farmer searches for a duck nest in a wheat field after seeing a hen flush ahead of his advancing harvester.

    Winter grains like wheat and triticale are incredibly attractive to nesting ducks. Winter grains are seeded in the fall and grow throughout the winter; by nesting season, a dense stand of winter grains near a planted rice field looks like a great nesting...

  • Healthy Soils and Field Crops Meeting Agenda-Feb 19, 2020

    Added January 21, 2020

    Healthy Soils and Field Crop Meeting Ag Building Meeting Room, 142 Garden Highway, Yuba City Wednesday, February 19, 2020 ~ 8:45am - Noon    8:45 am     Coffee and Registration 8:55...

  • Research Update: Efficacy of mechanical and chemical preseason control of herbicide-resistant Italian ryegrass

    Added November 7, 2019

    Summary Note Mechanical cultivation is a useful tool in controlling herbicide-resistant Italian ryegrass individuals in a rainfed wheat system but is only about half as effective as Axial in reducing overall pressure from...

  • 2018-19 UC Statewide Small Grain Variety Testing Results

    Added September 29, 2019
    2019 Common Wheat Yield Heat Map

    Results for the 2018-2019 fall planted UC Statewide Small Grain Variety Trials are now available at: Results can be viewed within an interactive environment that summarizes small grain varieties by crop type...

  • Preliminary yield results from fall-planted 2018-19 small grain variety trials

    Added August 7, 2019
    UC Small Grains Variety Trial, Fresno Co. CA

    Preliminary grain yield results for our fall-planted common wheat, triticale, durum wheat and barley trials are now available on the UC Small Grains Research and Information Center...

  • Fusarium Wilt in Garbanzos

    Added July 10, 2019
    Figure 1. Garbanzo leaf yellowing and necrosis indicative of Fusarium wilt.

    A little over a month ago, I visited some contiguous garbanzo bean fields in southern San Joaquin County, at the request of the grower. The grower observed that plants were yellowing and dying (Fig. 1) and wondered what might be causing the problem. The...

  • May 15th, 2019 UC Small Grains / Alfalfa-Forages Field Day

    Added May 5, 2019
    UC Small Grains Field Day

    This is a reminder that the annual UC Small Grains/Alfalfa-Forages Field Day will be held on May 15th at the University of California, Davis Department of Plant Sciences Field Headquarters from 8AM – 4:30PM. The event showcases UC efforts in...

  • Herbicide Resistant Italian Ryegrass in California: Identification and Strategies for Control

    Added February 28, 2019
    Italian ryegrass – Lolium multiflorum (Photo by Joe DiTomaso)

    If growers sprayed for Italian ryegrass earlier this year, it might still be worth keeping an eye out for it in fields and field margins. Italian ryegrass (Lolium multiflorum) is an annual grass that can sometimes behave as a biennial or...

  • Wheat Field Day In Colusa County--March 12th

    Added February 21, 2019

    We hope you can join us for our field day!  Agenda and directions are below.  Contact Sarah Light with questions: ~ 530-822-7515.   Wheat Field Day Colusa County, CA Tuesday March 12th, 2019 ~...

  • Wheat Field Day and Spanish Language Training for Field Workers

    Added February 14, 2019

    UC Cooperative Extension is Pleased to Announce Two Upcoming Events:  Wheat Field Day in Colusa County Tuesday, March 12th ~ 9:00-11:00 am  Topics Include: -Small Grains Variety Testing and Resources -Optimizing Nitrogen Management in...

  • Summary of early-season conditions for 2018-2019 fall-planted California small grain crops

    Added January 21, 2019
    Figure 1. Historical (10-year, left) and current (right) seasonal precipitation totals between 10/1/18 and 1/20/2019 in California small grain growing regions.

    After a relatively dry start to the rainfall season from October through early November, rainfall in California since November has been above average. About halfway through the rainy season, year-to-date precipitation totals are approximately 20-30%...

  • SJC and Delta Field Crops Meeting

    Added December 10, 2018

    UC Cooperative Extension will host the SJC and Delta Field Crops Meeting on Thursday, January 17, 2019 from 8:00am to 12:00pm. The meeting location is the Cabral Agricultural Center in Stockton (2101 E. Earhart Ave., Stockton, CA...

Webmaster Email: