Astrid Oberson

Research area: Phosphorus and nitrogen (re-)cycling in agro-​ecosystems. More specifically: Use efficiency and dynamics in soil of phosphorus (P) and nitrogen (N) contained in recycling fertilizers and organic inputs; Microbial functions in soil N and P dynamics; Effect of cropping and grassland systems on nutrient use efficiency and symbiotic N2 fixation; expert on isotope methods to evaluate N and P cycling