iDentPlus integrates mobile sample collection of organic fertilizer into the digital working world.With the help of sample passports, the containers of organic fertilizer samples are marked and are clearly linked to the date of collection and storage location. This means that the following sample analysis can be registered in the laboratory and clearly assigned.This app is a pilot version in expansion stage 1, which is part of the joint project:Qualification and testing of a sensor system solution for needs-based fertilization in the agricultural and food industry (iDentPlus).provided.Funded by the German Innovation Partnership for Agriculture (DIP)