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在南京地区对尿素在水稻旱育苗床上的应用技术进行研究，结果表明：尿素用于旱育苗床能取得良好效果；其作基肥的最适宜施用时期是播种前一个月左右；适宜施用量为 １５０ｋｇ／ｈｍ ２ ，过多往往会有负面效应
The application technology of urea on dry seedbed in Nanjing was studied in Nanjing area. The results showed that urea could be used as a good seedbed for dry cultivation. The optimal application period of base fertilizer was about one month before sowing. The suitable application rate was 150kg / Hm 2, too often there will be negative effects