Workers maintain agricultural machinery at a cooperative for rice cultivation in Boli County, northeast China's Heilongjiang Province, April 3, 2024. China's major grain production province Heilongjiang, known as the country's "grain barn," is conducting a wide range of activities to ensure a robust foundation for spring farming. (Xinhua/Xie Jianfei)
An aerial drone photo taken on March 14, 2024 shows workers unloading bags of fertilizer near a railway line for agricultural supplies in Shuangyashan City, northeast China's Heilongjiang Province. China's major grain production province Heilongjiang, known as the country's "grain barn," is conducting a wide range of activities to ensure a robust foundation for spring farming. (Xinhua/Wang Song)
A worker maintains agricultural machinery at a cooperative for rice cultivation in Boli County, northeast China's Heilongjiang Province, April 3, 2024. China's major grain production province Heilongjiang, known as the country's "grain barn," is conducting a wide range of activities to ensure a robust foundation for spring farming. (Xinhua/Xie Jianfei)
A worker maintains agricultural machinery at a cooperative for rice cultivation in Boli County, northeast China's Heilongjiang Province, April 3, 2024. China's major grain production province Heilongjiang, known as the country's "grain barn," is conducting a wide range of activities to ensure a robust foundation for spring farming. (Xinhua/Xie Jianfei)