Verma, S. K., Singh, S. B., Sharma, R., Rai, O. P., & Singh, G. (2008). Effect of cultivars and herbicides on grain yield and nutrient uptake by wheat (Triticum aestivum) and weeds under zero-tillage system*. The Indian Journal of Agricultural Sciences, 78(11). https://epubs.icar.org.in/index.php/IJAgS/article/view/10347