Hristo Beloev University of Ruse Angel Kanchev, Bulgaria
Plamen Kangalov University of Ruse Angel Kanchev, Bulgaria
Zdenko Tkac Slovak University of Agriculture in Nitra, Slovakia
Vladimir Krocko Slovak University of Agriculture in Nitra, Slovakia
Jan Marecek Mendel University in Brno, Czech Republic
Vladimir Jurca Czech University of Life Sciences Prague, Czech Republic
Pavel Machal Mendel University in Brno, Czech Republic
Jan Turan University of Novi Sad, Serbia
Stanislaw Sosnowski University of Rzeszów, Poland
Stepan Kovalyshyn Lviv National Agrarian University, Ukraine
Djemal Katzitadze Agricultural University of Georgia, Georgia
Petar Dimitrov Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”, Bulgaria
Eva Hvizdova Mendel University in Brno, Czech Republic
Georgi Tasev University of Forestry – Sofia, Bulgaria
Miho Mihov Institute of Soil Science, Agrotechnologies and Plant Protection “Nikola Poushkarov”, Bulgaria
Georgi Komitov Agrarian University – Plovdiv, Bulgaria
Pavol Findura Slovak University of Agriculture in Nitra, Slovakia
Mitko Nikolov University of Ruse Angel Kanchev, Bulgaria
Miroslav Pristavka Slovak University of Agriculture in Nitra, Slovakia
Kaloyan Stoyanov University of Ruse Angel Kanchev, Bulgaria
Volodimir Kyurchev Tavria State Agrotechnological University, Ukraine
Iurie Melnic State Agrarian University of Moldova, Moldova