在１９９９年早稻塑盘湿润育秧期间，某农户为贪图省事，错误地先将湖泥平铺到塑盘上，撒施酸肥进行播种压实，结果造成严重烂秧现象。为避免类似现象重演，提高塑盘育秧成功率，在水稻塑盘湿润育秧使用酸肥时，必须严把以下３关：一是数量关。每育１ｈｍ２大田的秧苗即６７５ In 1999, early rice paddy plastic wet seedlings, a farmer in an attempt to save trouble, mistakenly first lakes tiled onto the plastic plate, spreading sour fertilizer sowing compaction, resulting in serious rotting phenomenon. To avoid the recurrence of similar phenomena and improve the success rate of plastic tray seedling, plastic tray wet rice seedlings in the use of acid fertilizer, we must strictly the following three levels: First, the number of off. Seedlings of 1hm2 field per plant are 675