Workers operate machines to cover the sown seeds with soil at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
A worker packs processed seeds at an intelligent workshop for pre-germination soaking of paddy rice seeds in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
Workers operate machines to cover the sown seeds with soil at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
This photo taken on April 4, 2024 shows a worker leveling sown seeds at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
Workers operate a machine to cover the sown seeds with soil at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
A worker operates a machine to cover the sown seeds with soil at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
This photo taken on April 4, 2024 shows a view of an intelligent workshop for pre-germination soaking of paddy rice seeds in Shuangyashan City, northeast China's Heilongjiang Province. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
A worker operates a machine to sow seeds at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
Workers operate machines to cover the sown seeds with soil at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
A worker supplements seeds to the edges of seedling trays at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
A worker sprays pesticide at a greenhouse for paddy rice seedling in Shuangyashan City, northeast China's Heilongjiang Province, April 4, 2024. Heilongjiang, known as the country's "grain barn" and well noted for its high-quality rice produce, has kicked off paddy rice sowing operations. (Xinhua/Wang Song)
