Authors
R. G. Zaharieva
Department of Agroecology and Environmental Protection, Faculty of Plant Protection and Agroecology, Agricultural University – Plovdiv, Plovdiv, Bulgaria
P. G. Zaharieva
Department of Agroecology and Environmental Protection, Faculty of Plant Protection and Agroecology, Agricultural University – Plovdiv, Plovdiv, Bulgaria
D. A. Kirin
Department of Agroecology and Environmental Protection, Faculty of Plant Protection and Agroecology, Agricultural University – Plovdiv, Plovdiv, Bulgaria