>Am looking for recent studies done on the number of colonies/bees per acre
>of the various crops. But not much out there. I was given the name of a good
>book on pollination by Wayne Buhler of Purdue University. But he added that
>it is out of print. The book is entitled, "Insect Pollination of Cultivated
>Crop Plants" Agriculture Handbook No. 496 Agricultural Research Service,
>USDA, written by S.E. McGregor in 1976.
Gordon,
There is an other book available which might be usefull to you.
- John B. Free: Insect Pollination of crops. 2nd ed. 1993 (Academic Press)
Have a look at it. It's new and contains a lot of information in it.
Best regards
Hans
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