Go to:
service menu

Julius Kühn Institute (JKI)
Federal Research Centre for Cultivated Plants

Prof. Dr. Jens Karl Wegener

Messeweg 11/12
38104 Braunschweig, Germany

Jana Bartels
Tel: +49 (0)3946 47 6701
Fax: +49 (0)3946 47 6702
E-mail: at@  julius-kuehn.  de

Institute booklet

Hans-Joachim Wehmann

 Hans-Joachim  Wehmann
Tel: +49 (0)3946 47 6731
Fax: +49 (0)3946 47 6702

Julius Kühn-Institut
Messeweg 11/12
38104 Braunschweig

Assignments and Research Activities:

  • Evaluation of plant protection equipment in the frame of the voluntary approval tests according to § 52 PflSchG
  • Evaluation and listing of seed drills in terms of drift reduction
  • Summary of the results of inspections of plant protection equipment in use and reporting
  • Assisting in coordinating the inspection of plant protection equipment in use in Germany
  • SPISE - Preparation and participation in the organization of meetings and workshops
  • Evaluation regarding the cleaning behavior of plant protection equipment


  • SPISE Working Group
  • SPISE Technical Working Group 1 and 5
  • DPG Study Group Technique - Working Group “Cleaning of Sprayers”

Publications in the Julius Kühn-Institut