Where statutory limits on fertiliser rate apply, the pressure to target material use is particularly high. Fritzmeier’s Isaria Compact Pro N-sensor package turned out to be a timely arrival on a German farm

Like most farmers, Dirk Westrup needs to trim costs while still maximizing cereal yield. Knowing that he would need to respect new local rules on maximum fertiliser rate, he looked for a more flexible way to match nitrogen application to plant growth than his old Yara N-sensor.