Weeds in California vegetable crops … a survey of problems and herbicide possibilities
California Agriculture 20(6):8-9.
Published June 01, 1966
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A recent estimate of yearly losses in California vegetable crops totaled $57,000,000. This figure included $19,-000,000 used currently for controlling weeds and $38,000,000 for estimated losses due to weed competition. The highest cost per acre was for weed control in onions and peppers. The largest total loss was from weeds in tomatoes, followed by weeds in lettuce and melons.