Back to profile Contact person for... - dr.ir. TPM (Thijs) Fijen News Bumblebee queens migrate for hundreds of kilometres 22 oktober 2020 | New research shows that bumblebee queens don’t always remain in approximately the same place, as biologists assumed until now, but cover... Importance of biodiversity for farmers larger than expected 6 september 2018 | In conventional farming, most attention goes out to the quality of the planting material, soil quality, fertilisation, weed control and similar...