From the thread:
Re: No treatment beekeeping

>I find my per hive honey yield is influenced more by environmental factors.

Hello,

We need to clarify what an 'environmental
factor' is, because I see the term, far too
often being used in a restricted manner 
relating to climate conditions etc. when in 
fact it is much more than that.  Please pass
the word! Some writer please write this in 
an article so the word can get out to all. ;)

An 'Environmental Factor' is previously
defined by E. F. Phillips, 1917 

"The environmental factor may be inside or 
outside the hive, or even inside or outside 
the individual bee. For example, pathogenic 
microorganisms or irritating foods are inside 
but not part of the animal and are therefore 
environmental factors."

Beekeeping:
By Everett Franklin Phillips
Page 35
1917

Source:
http://books.google.com/books?id=dX4uAAAAYAAJ&pg=PA35#v=onepage&q&f=false

Best Wishes
Joe Waggle

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