Spring ploughing underway in China's Heilongjiang

This aerial photo taken on April 8, 2023 shows large tractors preparing the field for planting at a field of Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City, northeast China's Heilongjiang Province. As the weather gradually warms up, Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City has started the spring ploughing work. A total of 28 large tractors have been organized by the farm to work for over 300,000 mu (20,000 hectares) farm fields. (Xinhua/Wang Song)

This aerial photo taken on April 8, 2023 shows a tractor loading fertilizer at a field of Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City, northeast China's Heilongjiang Province. As the weather gradually warms up, Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City has started the spring ploughing work. A total of 28 large tractors have been organized by the farm to work for over 300,000 mu (20,000 hectares) farm fields. (Xinhua/Wang Song)

This photo taken on April 8, 2023 shows large tractors preparing the field for planting at a field of Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City, northeast China's Heilongjiang Province. As the weather gradually warms up, Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City has started the spring ploughing work. A total of 28 large tractors have been organized by the farm to work for over 300,000 mu (20,000 hectares) farm fields. (Xinhua/Wang Song)

This aerial photo taken on April 8, 2023 shows large tractors preparing the field for planting at a field of Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City, northeast China's Heilongjiang Province. As the weather gradually warms up, Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City has started the spring ploughing work. A total of 28 large tractors have been organized by the farm to work for over 300,000 mu (20,000 hectares) farm fields. (Xinhua/Wang Song)

This photo taken on April 8, 2023 shows a large tractor preparing the field for planting at a field of Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City, northeast China's Heilongjiang Province. As the weather gradually warms up, Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City has started the spring ploughing work. A total of 28 large tractors have been organized by the farm to work for over 300,000 mu (20,000 hectares) farm fields. (Xinhua/Wang Song)

Agricultural technicians check the quality of fertilizing work at a field of Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City, northeast China's Heilongjiang Province, April 8, 2023. As the weather gradually warms up, Jianshe Farm Co., Ltd. under the Beidahuang Group in Bei'an City has started the spring ploughing work. A total of 28 large tractors have been organized by the farm to work for over 300,000 mu (20,000 hectares) farm fields. (Xinhua/Wang Song)