Weber, Roland W. S.
Raddatz, Christina
Kutz, Stefanie
Funding for this research was provided by:
Landwirtschaftskammer Niedersachsen
Article History
Received: 15 December 2017
Accepted: 8 May 2018
First Online: 15 May 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.