Rana, M. C., Shivani Chand, S. S. Rana, and Narendra Shankhyan. 2016. “Effect of Time and Method of Post-Emergence Application of Atrazine on Nutrients Depletion by Weeds in Maize”. Himachal Journal of Agricultural Research 42 (1):82-86. http://hjar.org/index.php/hjar/article/view/109811.