甬优12是浙江省宁波市农业科学研究院培育的超高产籼粳杂交稻品种。2018年在浙江省江山市作单季晚稻种植，田间表现抗性强、生长整齐、穗大粒多、丰产性好等特点，百亩示范方产量15.25 t/hm2。本文根据生产过程中播、种、管、控的实际情况，提出了相应的高产栽培技术措施，以为今后该品种作单季晚稻大面积推广提供配套栽培技术。

Yongyou 12 is an indica-japonica hybrid rice with high yield, bred by Ningbo Academy of Agricultural Sciences. In 2018, it was planted as single-season late rice in Jiangshan city, Zhejiang province. It showed the characteristics of strong resistance, neat growth, large ears and high yield. The average yield in the large-scale （7.8 hm2） demonstration reaches 15.25 t/hm2. According to the practice of cultivation, the authors put forward the key points of high yielding cultivation techniques of Yongyou 12.