A field experiment was carried out to solve the problems of high sowing rate, bad seedling quality and seriously machine-transplanted damage of late season rice, using indica-japonica hybrid rice Yongyou 538 and Yongyou 1540 as materials. The results showed that compared with conventional carpet seedling raising, the precision bowl carpet seedling raising could reduce the sowing rate, seedling damage rate and leakage rate, raise seedlings with soil. Under the condition of reducing planting density, the leaf area index at heading stage, dry matter accumulation from heading to maturity and effective panicles of bowl carpet seedling machine trans-planted rice were higher than that of conventional carpet seedling machine transplanted rice, and the yield were increased by 5.42%~6.40%.%为了解决连作晚稻育插秧中存在的播种量高、秧苗素质差及植伤较重等问题,以籼粳杂交稻甬优538和甬优1540为材料,对钵形毯苗和常规毯苗的播种育秧与机插效果进行了对比研究.结果表明,与常规毯苗播种育秧方式相比,钵形毯苗精量播种育秧可以有效降低播种量,培育带土壮秧;与毯苗机插相比,钵形毯苗机插技术的伤秧率和漏插率低,在降低插秧密度条件下,其抽穗期叶面积指数、抽穗期-成穗期干物质积累量和有效穗数却更高,实际产量增幅在5.42%~6.40%之间.
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