Adrian Ioan POP, Teodor RUSU, Ileana BOGDAN, Doru Ioan MARIN, Paula MORARU, Bogdan Matei DUDA and Camelia Liliana COSTE (2014) “The influence of tillage system and pre-emerging plant on economic efficiency and production at wheat cultures in the Somes Plateau”, AgroLife Scientific Journal , 3(2). doi: 10.17930/AGL201429.