The effect of orchard spraying on pheasants in the Okanagan valley, with observations on bird-life in orchard areas
A review of the current literature on DDT and reports from sportsmen and growers indicated that the concentrations of DDT used in the Okanagan Valley were greater than those experimented with previously. Further, that many other insecticides possibly detrimental to wildlife were in use in the Okanag...
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| Language: | English |
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University of British Columbia
2012
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| Online Access: | http://hdl.handle.net/2429/41151 |