Allen, my suggestion of "weather" as a variable was completely arbitrary--I
was simply trying to make the point that without a control group, one can't
really state that the increased drops were due to the experimental
treatment.

And without a control group, one can't say whether your four treatments
with oxalic vapor were of any benefit in mite control over natural
mortality at that time of year.

My point: if one is trying to determine the efficacy of any sort of
treatment or management technique, one MUST include controls!
-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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