The main site of our agricultural research facility is located in Cunnersdorf near Leipzig. The 170-hectare facility is where tests and trials are conducted for all aspects of our fertilisers. From nitrogen loss to the effects of weather and application technology to the strength and quality of the harvest.

Testing ensures that our products are good chemistry.

The Cunnersdorf Agricultural Research Facility is an officially recognised testing site and holds an appropriate GEP certificate as per European law (Guideline 93/71/EEC and Council amending directive 91/414/EEC regarding the placement of plant protection products).

All experimentation activities are conducted in accordance with the principles of Good Experimental Practice (GEP).

Facts about the Site:


  • East German Continental Climate - Leipzig Bay
  • Annual precipitation: 619 mm (1983 - 2012)
  • Average annual temperature: 9.1 °C (1972 - 2007)
  • Vegetative Stage: 230-260 per year


Weichselian sand loess layer, 3...6 dm from Saalian till (with sand islands)


Flat inclined, lightly rippled plateau, slope 2 ... 4°

Main forms of soil

  • Stagnosol, Grey Stagnosol, Stagnosol grey
  • representative for Stagnosol soil composition of clay-containing layers of soil in the northern fringe of the loess area.
  • represents 49.8% or also exactly 50% of the agricultural land of Saxony
  • rotating trial field (every four years)
  • Annual test area ca. 15 ha