Rice harvesters reap a new, highly productive hybrid variety of the staple grain in the demonstration fields of Sanya National Paddy Park in Hainan province. (Photo: chinadaily.com.cn)

Rice harvesters reap a new, highly productive hybrid variety of the staple grain in the demonstration fields of Sanya National Paddy Park in Hainan province. (Photo: chinadaily.com.cn)

Rice harvesters reap a new, highly productive hybrid variety of the staple grain in the demonstration fields of Sanya National Paddy Park in Hainan province. (Photo: chinadaily.com.cn)