Burgett, D. Michael; Fisher, Glenn C.; Mayer, D. F.; Johansen, C. A. (Carl A.); Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service; United States. Dept. of Agriculture; Oregon State University. Extension Service; Washington State University. Cooperative Extension; University of Idaho. Cooperative Extension Service; United States. Dept. of Agriculture; Pacific Northwest Cooperative Extension ([Corvallis, Or.] : Oregon State University Extension Service ; [Pullman, Wash.] : Washington State University Cooperative Extension ; [Moscow, Idaho] : University of Idaho Cooperative Extension Service ; [Washington, D.C.] : U.S. Dept. of Agriculture, 1993)
In the United States it is estimated that managed honey bee colonies are annually responsible for the pollination of agricultural crops
valued between $4 and $8 billion. Honey bees are accurately described as indispensa ...