Agha, Jan, Anchal Dass, G.A. Rajanna, Susheel K. Sarkar, and K. S. Rana. 2017. “Influence of Varying Nitrogen Levels on Performance of Wheat (Triticum Aestivum L.) under Semi-Arid Hot Climate of Kandahar, Afghanistan”. Annals of Agricultural Research 37 (4). https://epubs.icar.org.in/index.php/AAR/article/view/69988.