Effect of Sowing Dates on Grain and Biological Yield, Oil and Meal Protein Percentage in Three Cultivars of Rape (Brassica napus L.)

A.M. Daneshian, A.R. Ahmadzadeh, H.A. Shahriar and A.R. Khanizadeh

Research Journal of Biological Sciences 3 ( 7 ): 729 - 732 , 2008