The lowest temperature drops below zero! FIFA, April 23 (Xinhua)-- starting from the afternoon of the 23rd, Maiji District, Qinzhou District, Gangu County, Wushan County, Qinan County, Qingshui County, Zhangjiachuan Hui Autonomous County, Jingchuan County, Jingning County, Chongxin County, Zhuanglang County, Qingyang County, Huachi County, Qingcheng County, Heshui County and Zhenyuan County of Gansu Province Longnan City Xihe County, Dangchang County, Li County and Yuzhong County of Lanzhou City have issued frost blue warning one after another. It is expected that from the early morning of the 24th to the night of the 25th, the lowest surface temperature in these areas will drop below 0 ℃, and frost will occur, which will have an impact on agriculture. It is suggested that the relevant departments and individuals should prepare for frost prevention and take measures to strengthen the protection.