Ivanov Agricultural University, 4000 Plovdiv, Bulgaria (Manuscript received 12 February 2018; accepted for publication 15 April 2019) Abstract. A major limitation factor for the low productivity in peas is weeding. A particularly critical moment in the race between the crop and weeds

R. Sturzu*, A. M. Ene, Cr. Melucă, J. M. Cojocaru Agricultural Research and Development Station Teleorman, Drăgănești Vlașca, 147135 Teleorman, Romania (Manuscript received 11 October 2016; accepted for publication 19 January 2017) Abstract. The purpose of the paper was to identi

M. Koleva1*, I. Kiryakov2 1Department of Crop Science and Plant Protection, College Dobrich, Konstanin Preslavski University of Shumen, 9300 Dobrich, Bulgaria 2Dobrudzha Agricultural Institute, 9520 General Toshevo, Bulgaria Abstract. Pea (Pisum sativum L.) is a main grain leguminous