3-7 working days. The examination time for the application for education of farmers supporting agriculture in Shang Yun is 3-7 working days, and will be notified by SMS or telephone. Shang Yun's support for agriculture is sponsored by the Department of Science and Technology Education of the Ministry of Agriculture, and undertaken by the Central Agricultural Radio and Television School, the Farmers' Science and Technology Education and Training Center of the Ministry of Agriculture and Yuan Longping Agricultural Hi-tech Stock Company. Through this software, the customers of Shangyun Zhinong can learn technical knowledge such as field management, pest control, weeding and fertilization, and improve people's farming knowledge.