Farmers drive a rice transplanter to plant rice seedlings in Dawa District in Panjin City, northeast China's Liaoning Province, May 24, 2020. Rice transplanting of over 1.59 million mu (about 106,000 hectares) paddy fields in Panjin, the main rice producing area in Liaoning, has started recently. (Xinhua/Pan Yulong)

Farmers operate a rice transplanter to plant rice seedlings in Dawa District in Panjin City, northeast China's Liaoning Province, May 24, 2020. Rice transplanting of over 1.59 million mu (about 106,000 hectares) paddy fields in Panjin, the main rice producing area in Liaoning, has started recently. (Xinhua/Pan Yulong)

A farmer carries rice seedlings by a handcart in a seedling cultivating greenhouse in Dawa District in Panjin City, northeast China's Liaoning Province, May 24, 2020. Rice transplanting of over 1.59 million mu (about 106,000 hectares) paddy fields in Panjin, the main rice producing area in Liaoning, has started recently. (Xinhua/Pan Yulong)

A transplanter works to plant rice seedlings in Dawa District in Panjin City, northeast China's Liaoning Province, May 24, 2020. Rice transplanting of over 1.59 million mu (about 106,000 hectares) paddy fields in Panjin, the main rice producing area in Liaoning, has started recently. (Xinhua/Pan Yulong)

A farmer operates a rice transplanter to plant rice seedlings in Dawa District in Panjin City, northeast China's Liaoning Province, May 24, 2020. Rice transplanting of over 1.59 million mu (about 106,000 hectares) paddy fields in Panjin, the main rice producing area in Liaoning, has started recently. (Xinhua/Pan Yulong)