Fojlaley M, Kalami A, Dovlati B. Designing, and static and dynamic evaluation of tractor-back fertilizer sprayer with variable rate technology (VRT). Sci. J. Pure Appl. Sci. [Internet]. 2014May29 [cited 2024Dec.19];3(5):259-63. Available from: http://sjournals.com/index.php/sjpas/article/view/906