R. Kalaydzhieva, D. Davidov, A. Matev*, V. Kuneva Department of Melioration and Geodesy, Faculty of Viticulture and Horticulture, Agricultural University, 12 Mendeleev, 4000 Plovdiv, Bulgaria Abstract. The aim of the study is to establish the parameters of the relationship “Yiel

R. Petrova, A. Matev, K. Koumanov, B. Harizanova-Petrova Abstract. The aim of the study was to establish productivity of green bean, variety “Strike” irrigated at different pre-irrigation soil moisture. The field experiment was conducted during the period 2010 – 2012 on th