Amiri Khorie, Mohammad Mehdi, Soghra Moradpoor, Adel Ranji, Bagher Karimi, and Meysam Goldoust khorshidi. “Effect of Different Levels of Nitrogen Fertilizer and Plant Density on Yield and Yield Components of Canola”. Scientific Journal of Crop Science 3, no. 10 (October 29, 2014): 109-114. Accessed November 24, 2024. http://sjournals.com/index.php/sjcs/article/view/1198.