The time required before lettuce can safely be planted after herbicides have been applied to a previous crop is dependent upon several variables and can difficult to predict. It can vary from year to year and field to field depending on soil type, stress, irrigation technique and schedule, rate, climatic conditions and several other variables. A general guideline is needed, however, to base management decisions on. The following table is intended to be a general guideline and if all else fails, read and follow the label.

“Soil Temps Yuma AZ”

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To contact Barry Tickes go to: btickes@ag.arizona.edu.

For questions or comments on any of the topics please contact Marco Pena at the Yuma Agricultural Center.
College of Agriculture, The University of Arizona, Tucson, AZ.