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UC Weed Science (weed control, management, ecology, and minutia)
Richard Smith is the UC Cooperative Extension Vegetable Crop Production and Weed Science Farm Advisor in Monterey, Santa Cruz and San Benito counties. Automated weeders remove weeds inside the three- to five-inch-wide uncultivated band left around the seedline by standard cultivation.
Do you want to control your rangeland weeds without using herbicides? Check out the new manual called, Best Management Practices for Non-Chemical Weed Control, a collaboration between the University of California Cooperative Extension and California Invasive Plant Council.
If you don't already have a copy of Weeds of California and Other Western States, here's your chance to get it at lowest price I've seen: $45.00 (this price is good through May 6, 2021.
Yellow Starthistle is a plant of Old-World origin that arrived in California in the mid 1800's. It is believed that it made its way to California in contaminated alfalfa seed from Europe.