Delta Crops Resource Management
University of California
Delta Crops Resource Management

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

  • Fusarium Wilt in Garbanzos

    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...

  • Impact of Warm-season Legume Cover Crop on Soil Properties and Cover Cropping Survey

    Figure 1. Vigna unguiculata cv. 'Red Ripper' cover crop with some volunteer wheat.

    We are getting prepared for our second year of a three-year project evaluating a warm-season legume cover crop between winter small grain crops. We are conducting the trial in a commercial field on Staten Island in the Delta. We are comparing soil health...

  • Invasive Species Action Week - Nutria

    Figure. 1. Nutria. Photo courtesy of Joyce Gross (UC Berkeley) and the CA Department of Fish and Wildlife (

    June 1 through June 9, 2019 is California Invasive Species Action Week. According to the CA Department of Fish and Wildlife (CDFW), the purpose of CA Invasive Species Action Week is to “increase public awareness of invasive species issues and...

  • UC Davis Small Grains and Alfalfa Field Day

    The annual UC Davis Small Grains and Alfalfa Field Day will take place on Wednesday, May 15, 2019 at the Agronomy Field Headquarters (2400 Hutchison Drive, Davis, CA 95616). Registration opens at 7:30am, and lunch is provided between the small grains...

  • Improving Crude Protein in Alfalfa

    A question came to me from a crop consultant. His alfalfa grower asked him how he could increase crude protein (CP) in his alfalfa. The buyer of the alfalfa, for the most part, is happy with the hay. For example, the buyer is happy with the total...


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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