Browsing NIBIO Brage by Author "Andreasen, Christian"
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Clopyralid applied to winter oilseed rape (Brassica napus L.) contaminates the food products nectar, honey and pollen
Hansted, Lise; Crocoll, Christoph; Bitarafan, Zahra; Andreasen, Christian (Peer reviewed; Journal article, 2022-05-28)Clopyralid is a systemic herbicide used in oilseed rape and other crops. It was found in Danish honey from 2016 in concentrations exceeding the maximum residue level (MRL) of 0.05 mg kg−1. About 50% of the Danish honey is ... -
Fecundity Allocation in Some European Weed Species Competing with Crops
Bitarafan, Zahra; Andreasen, Christian (Peer reviewed; Journal article, 2022-05-16)Seed production is an important element of weed population dynamics, and weed persistence relies upon the soil seed bank. In 2017 and 2018, we studied the relationship between the aboveground dry biomass of common weed ... -
Site-Specific Seed Yield Prediction of Red Fescue (Festuca rubra L.) Based on Drone Imaging and Local Regression Models
Andreasen, Christian; Rasmussen, Jesper; Bitarafan, Zahra (Peer reviewed; Journal article, 2023-01-20)Yield maps give farmers information about growth conditions and can be a tool for sitespecific crop management. Combine harvesters may provide farmers with detailed yield maps if there is a constant flow of a certain amount ...