Chemigation is putting pesticides into water.  From what I've learned:  1) it 
can be combinations of chemicals, 2) drip systems leak, 3) bees collect  
water at leaks, and 4) its no secret - after all, the method even has a  name.
 
Apparently, almost anything can be applied this way, including fertilizers,  
pesticides.  One would hope that there are warnings about combining  chemicals 
- the synergisms could be interesting, if not worrisome.  I can  see the cost 
benefit to the grower - just add it to the irrigation water.   But, this 
could make for new routes of exposure to bees.   Jerry
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