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水稻旱育苗的播种期要根据各地条件而定。一般在气温达5℃时播种。辽宁中南部高燥稻区,可在3月末～4月初播种,5月5～10日前播完。低洼冷凉稻区,宜选用中熟品种为主栽品种,要适当推迟播种期,即4月5～10日开始播种,4月15日前必须播完。在这样地区适当晚播,地温提高,可以减少坏苗,确保苗齐苗壮。要坚持稀播种育壮秧的原则,播种量以每平方米4～5两为好。
Seedlings of rice drought nursery sowing period according to local conditions may be. Generally when the temperature reaches 5 ℃ sowing. South Liaoning high dry rice area, in late March ~ early April sowing, sowing May 5 to 10 before. Low-lying cold and cool rice area, should use medium maturing varieties for the main varieties, should be appropriate to postpone the sowing period, April 5 to 10 began sowing, April 15 must be sown. Appropriate late-night broadcast in such areas, ground temperature increased, you can reduce the bad seedlings, to ensure Miao Qi Miao Zhuang. To adhere to the principle of planting thin seedlings strong, sowing the amount of 4 to 5 per square meter as well.