Nmin sampling and analysis (Nmin method) as part of the Niederbipp-Gäu-Olten nitrate project (cantons of SO and BE)

ual needs. To this end, farms must fertilise their plots within the project perimeter either using the Nmin method or the method of corrected standards, in accordance with the guidelines for the fertilisation of agricultural crops in Switzerland (GRUD 2017). This service contract covers the collecti

on and analysis of soil samples for Nmin analysis. On the basis of these Nmin analyses, the cantonal advisory services provide fertilisation recommendations to farmers. Brief description of Nmin sampling: Project management (planning, meet