Blar i Vitenskapelige artikler på forfatter "Valand, Silja"
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Repellency of insecticides and the effect of thiacloprid on bumble bee colony development in red clover (Trifolium pratense L.) seed crops
Havstad, Lars T.; Øverland, John Ingar; Valand, Silja; Aamlid, Trygve (Journal article; Peer reviewed, 2019-03-20)The study intended to compare repellency of three insecticides on bumble bees and honey bees in Norwegian red clover (Trifolium pratense L.) seed crops, and to examine effects of thiacloprid on bumble bee colony development ...