选择机械流水线作业加田间双膜育秧经济实用,操作简单。 一、种子准备及处理。选择大穗型或穗粒并重型品种为宜,注意生育期要适宜,确保安全抽穗。种子要籽粒饱满,发芽率和发芽势强。每667平方米大田需备足5公斤种子,选择晴朗天气扬晒1～2天后,去除枝梗、杂质、瘪粒,再用比重1.1盐水或黄泥水 Choose a mechanical assembly line plus field double-film seedling economy and practical, easy to operate. First, seed preparation and handling. Select a large panicle type or grain and heavy varieties is appropriate, pay attention to the growth period should be appropriate to ensure safe heading. Seeds to full grain, germination rate and germination potential. Every 667 square meters need to prepare 5 kilograms of seeds in the field, select the sunny weather 1 to 2 days after the sun, remove sticks, impurities, shriveled grain, and then the proportion of 1.1 salt water or yellow muddy water