What influences soil fertility in organic cotton farming in India? Andrin Schilliger, a student at the School of Agricultural, Forest and Food Sciences (HAFL), investigated various soil fertility parameters and potential influencing factors as part of his bachelor's thesis at FiBL. For this, he spent six months in India in the SysCom project (Farming Systems Comparison in the Tropics). In an interview, he talks about his experiences and explains the most important results of his work.