Applications made when cool cloudy days follow cool nights will result in lower herbicide efficacy than applications made in warm sunny days. Cloudy days don’t provide the photosynthetic activity required for many herbicides. Please see the updated article on spraying in tough conditions.
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Spraying in cool temperatures
Applications made when cool cloudy days follow cool nights will result in lower herbicide efficacy than applications made in warm sunny days. Please see the updated article on spraying in…
Spraying when cool and cloudy
Applications made when cool cloudy days follow cool nights will result in lower herbicide efficacy than applications made in warm sunny days. Cloudy days don’t provide the photosynthetic activity required…
Spraying on cool, cloudy days
Applications made when cool cloudy days follow cool nights will result in lower or slower herbicide efficacy than applications made in warm sunny days. Please see the updated article on…
Spraying in cool conditions
Early weed control with lower efficacy is generally preferable to no control at all or late control with higher efficacy — as long as weeds are present and not frost…