Kari Ylivainio is a Senior Scientist at the Natural Resources Institute Finland (Luke). He holds on MSc in the field of agricultural chemistry and physics (University of Helsinki) and PhD in Environmental Soil Science (University of Helsinki). His working career has focused on plant nutrition and related processes in soils, especially on optimizing phosphorus fertilization in crop production and minimizing losses to the environment. Currently he is coordinating H2020-project (LEX4BIO), where the aim is to optimize the use of bio-based fertilisers in crop production while minimizing risks to the environment, ensuring food and feed safety and supply, and protecting human health.