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Variable weather makes weeds harder to whack

With all of the rain parts of the Southeast have had, scheduling field work and figuring out when to apply herbicides can be an issue. Morning Ag Clips posted a story today that described some of the factors that need to be considered when trying to fit in applications. The story explains that if rain is plentiful, the temperature is not a factor, but if rain is scarce after the application, then the temperature can be a factor in the efficacy of the herbicide. The article was written for farmers in Illinois, but I think should be generally applicable to the Southeast too. You can read it at

Source: Robert Kaufmann, FEMA Library