A worker of the Beidahuang Group performs post-sowing operations on a tractor in a soybean field of northeast China's Heilongjiang Province, May 7, 2025. At present, the spring sowing in Heilongjiang cultivation areas are in full swing. All agricultural production units of Beidahuang Group, one of China's leading agricultural conglomerates, are seizing the farming season and busy with the sowing operations in both paddy rice fields and dry fields. (Photo by Lin Jinchun/Xinhua)