January 20, 2022
Undergraduate student, Jennifer Valdez-Herrera, took home the first prize award in this year's student poster competition of the California Weed Science Society that was held January 19th - 21st at the Hyatt Regency Hotel in Sacramento, CA. Her poster titled, Potential of roller-crimper technology for weed suppression in annual crops, reported on the first four years of a study that has been conducted on the Fresno State campus under a center pivot irrigation system. The rolled cover crops are followed by strip-tillage planted silage corn. Five mixes, rye, an ultra high diversity mix from Green Cover Seed in Bladen, NE, a multiplex mix from Lockwood Seed and Grain in Chowchilla, CA, a faba bean and Phacelia combination, and a three-way mix of rye, peas, and purple vetch are replicated three times in about 300 foot strips throughout the field. A copy of Valdez-Herrera's poster is provided below and a short 56-second video showing the current stage of growth of the 2021 - 2022 cover crops may be seen at
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