TANVEER, A., AHMAD, R., AYUB, M., & ALI, A. (2013). Phosphorus removal by wheat (Triticum aestivum) and Lamb’s quarters (Chenopodium album) as affected by method of fertilizer application and competition period. The Indian Journal of Agricultural Sciences, 69(6). https://epubs.icar.org.in/index.php/IJAgS/article/view/26790