水稻穴盘育苗,播种是关键技术之一。既要保证落籽均匀,尽量减少空穴;又要确保适宜的播深,避免穴间秧苗串根。具体方法,各地介绍不一:有的是先将营养土与谷种混匀,然后撒入穴内,再盖土掩种;有的则先将营养土铺入盘内,然后撒播谷种或单穴手工点播;较为先进的是先将营养土装入盘中,然后用摆播器播 Rice plug seedling, sowing is one of the key technologies. It is necessary to ensure a uniform seed-drop, minimize holes; but also to ensure the appropriate sowing, to avoid inter-hole seedling string roots. Specific methods introduced around different: some are first mixed nutrition soil and grain, and then thrown into the hole, and then covering the soil covered species; while the first nutrition will be spread into the plate, and then sowing cereal or single-point manual On-demand; the more advanced is the first nutritional soil into the plate, and then use the broadcast sowing