Farajzadeh Memari Tabrizi, Elnaz, Yarnia, Mehrdad, Rahimzadeh Khoie, Farrokh, Khorshidi, Mohammad Bager. Evaluation of soil and foliar application of nitrogen at different growth stages on yield and yield components of sugar beet cultivars. Agroecology Journal. 2008;4(3):63-75. doi: