Witten, Stephanie
Böhm, Herwart
Aulrich, Karen
Funding for this research was provided by:
Bundesanstalt für Landwirtschaft und Ernährung (2811OE054)
Article History
Received: 5 April 2019
Accepted: 10 July 2019
First Online: 16 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.