I notice several types of oil available for dormat spraying. I need a good source of information regarding the use of oil-which type, timing, and which plants should and should not be sprayed with oil.
Dormant oil-safe use
here are a few links that can help:
Univ. of California: http://www.ipm.ucdavis.edu/WATER/OPCALC/alternatives.html
Oregon State Univ. Extension: http://eesc.orst.edu/agcomwebfile/garden/pestsandpesticides/fruittreepests.html
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