水稻免耕抛秧栽培省去了犁耙工序,劳动强度大为减轻,劳动效率大为提高,还比传统手栽方式增产。以下是四川省丹棱县推广的免耕抛栽技术的要点: (一)选用良种:根据当地气候条件选择大穗大粒型抗病高产品种。 (二)旱育壮秧:用水稻专用塑料软盘育秧,每667米~2(1亩)用434孔 No-tillage and throwing rice cultivation save the rake process, labor intensity greatly reduced, greatly improving labor efficiency, but also increase the yield than the traditional hand-planting. The following is the main points of no-tillage and throw-planting techniques promoted in Danling County, Sichuan Province: (I) Selection of elite varieties: Large-spike and large-grain-resistant high-yielding varieties are selected according to local climatic conditions. (B) strong drought nursery seedlings: a special plastic floppy disk for rice seedlings, every 667 m ~ 2 (1 mu) with 434 holes