Kamenova, Ivanka
Borisova, Anelija
Funding for this research was provided by:
National Science Fund, Ministry of Education and Science, Bulgaria, (DH16/7 dated 11.12.2017)
Article History
Received: 5 December 2019
Accepted: 10 September 2020
First Online: 25 September 2020
Compliance with ethical standards
:
: Ivanka Kamenova, Agrobioinstitute, Sofia, Bulgaria declares that has no conflict of interest.Anelija Borisova, Institute of Agriculture, Kyustendil, Bulgaria declares that has no conflict of interest.
: This article does not contain any studies with human participants or animals performed by any of the authors.