Asfa Batool, a Pakistani postdoctoral fellow, does an experiment at a laboratory of the college of ecology in Lanzhou University in Lanzhou, northwest China's Gansu Province, Aug. 29, 2023. (Xinhua/Guo Gang) LANZHOU, Sept. 6 (Xinhua) -- Asfa Batool, a Pakistani postdoctoral fellow at Lanzhou University in northwest China's Gansu Province, is conducting dryland agricultural research in China. Her aim is to leverage her knowledge and different technologies to increase the grain production in Pakis...