valipour dastenaei, majid, valadabady, alireza, shirani rad, amir hossein, sayfzadeh, saeed, zakerin, hamidreza. “The effect of winter planting date on qualitative traits  and yield of spring rapeseed (Brassica napus) cultivars in condition of zinc spraying.” , vol. 14, no. 2, 2018, pp. 89-101.