@article{ author = {Hasanzadeh Aghbolaghi, Sakineh}, title = {The effect of chemical control of Echinochloa crus- galli weed at different growth stages on oil seed sunflower (Helianthus annus cv. Urofloure) yield.}, journal = {Agroecology Journal}, year = {2012}, volume = {8}, issue = {3}, pages = {13-21}, doi = {}, url = {https://sanad.iau.ir/fa/Article/1124439} }