Delta Crops Resource Management
University of California
Delta Crops Resource Management

Welcome! Updates from the Delta Crops Research and Extension Program:

  • Slow Spring Growth in Alfalfa Fields

    Figure 1. Root nodules containing nitrogen fixing bacteria.

    Lately, I have been corresponding with growers and consultants about slow spring growth in their alfalfa fields. There are several reasons why growth may resume slowly this spring. I describe them below and discuss some way we may be able to manage for...

  • Upcoming Meetings and Announcements

    Here are a few announcements from UC Cooperative Extension. Please don't hesitate to reach out to me with any questions. 1. UC Cooperative Extension in San Joaquin and Stanislaus counties is partnering with the American Farmland Trust (AFT) to...

  • Evaluation of Nitrogen Stabilizers for Improving Corn Yield and Plant Nitrogen Status

    Figure 1. Sidedress fertilizer and N stabilizer application.

    Nitrogen (N) is part of a balanced, natural cycle in the environment among the atmosphere, soil, plants, animals, and water. Nitrogen is the most important element needed by crops, and we often add nitrogen fertilizer to optimize crop productivity....

  • Field Crops Meeting Materials Posted to Web

    On Thursday, January 17th, I hosted the annual SJC and Delta Field Crops Meeting in Stockton, CA. I want to thank everyone who attended and provided feedback on the meeting. Your evaluations are critical and inform Cooperative Extension outreach efforts!...

  • Upcoming Meetings of Interest

    Happy New Year! We are entering "meeting season". The new year brings several opportunities for continuing education, including UC Cooperative Extension grower meetings and the California Plant and Soil Conference. Please see below for more...


Michelle Leinfelder-Miles, Ph.D Farm Advisor


2101 E. Earhart Ave., Ste. 200 Stockton, CA 95206

(209) 953-6100

About Michelle

Michelle grew up on a farm in San Joaquin County. She received her B.S. in Crop Science and Management from U.C. Davis and her M.S. and Ph.D. in Horticulture from Cornell University. At Cornell, her research focused on soil management in apple orchards. As the Delta farm advisor, she serves San Joaquin, Sacramento, Yolo, Solano, and Contra Costa counties addressing crop production and water and soil resource management.

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