Browsing Brage NMBU by Author "Johansen, Tor Jacob"
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Norsk landbruksforskning : virkning av ulike såmåter, frøblandinger og slåttetider på forekomsten av tunrapp og knebøyd revehale i eng
Johansen, Tor Jacob; Synnes, Olav Martin (Journal issue, 1992) -
The Potential for Decision Support Tools to Improve the Management of Root-Feeding Fly Pests of Vegetables in Western Europe
Collier, Rosemary; Mazzi, Dominique; Schjøll, Annette; Schorpp, Quentin; Thöming, Gunda; Johansen, Tor Jacob; Meadow, Richard; Meyling, Nicolai Vitt; Cortesero, Anne-Marie; Vogler, Ute; Gaffney, Michael T.; Hommes, Martin (Peer reviewed; Journal article, 2020)Several important vegetable crops grown outdoors in temperate climates in Europe can be damaged by the root-feeding larvae of Diptera (Delia radicum, Delia floralis, Chamaepsila rosae, Delia platura, Delia florilega, Delia ...