The foraging activities of Apis mellifera L. and Bombus terrestris L. on pear trees in full blossom

  • Lee, Sang-Beom (Department of Agricultural Biology, National Institute of University, Agricultural Science and Technology, RDA) ;
  • Seo, D.G. (Farm Management Office, Farm Management and Information Office, RDA) ;
  • Kim, Y.S. (Department of Agricultural Biology, National Institute of University, Agricultural Science and Technology, RDA) ;
  • Yoon, H.J. (Department of Agricultural Biology, National Institute of University, Agricultural Science and Technology, RDA)
  • Published : 2005.09.30