通过试验以及高产示范，分析了不同育秧基质和水稻壮秧剂用量对机插稻秧苗的影响，以及不同机插密度的增产效果。小结了甬优17机插栽培的种植表现和高产栽培技术。

Gang 8 you 316 is a new indica hydrid rice combination, bred by Sichuan Huayuan Boguan Limited Liability Company of Bio-breeding collaboration with Sichuan Agricultural Hi-tech Limited Liability Company of Agricultural. Gang 8 you 316 has the characteristics of moderate growth period, anti-rice blast, anti-sheath blight, anti-rice smut, anti-heat with the tolerant of drought, anti-chilling with the tolerant of cold, lodging resistance, wide adaptability with high and stable yield, especially with fine quality. The characteristics and key cultivation techniques of Gang 8 you 316 were introduced in this article.