H优518在湘北丘陵区桃江县作晚稻机插秧栽培,表现生育期短,秧龄弹性大,适应性强,产量高,效益好。总结了其机插秧高产栽培技术。 H You 518 in the hilly area of ​​northern Hunan Taojiang County for late rice transplanting cultivation, the performance of short growth period, elasticity of seedling age, adaptability, high yield, good efficiency. Summed up the machine transplanting high-yielding cultivation techniques.