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1、采种。选择生长健壮的香椿母树,秋季翅果由绿变黄褐色时采集、晾晒,晒干后去翅及杂质,贮藏备用。 2、催芽。春季播种前,将种子用35℃的温水浸泡24小时,取出后用清水洗净,放阴湿处常温下催芽12～24小时。 3、播种。在苗圃中做高床,按行距30厘米条播,播种量以每亩用种子2.5公斤为宜,播后覆土轻踩。 4、间苗。出苗后先轻度间苗,待苗高10厘米左右时按株距15厘米间苗,每亩留苗量1.5万株左右。
1, seed collection. Choose to grow robust Toona mother tree, autumn samara change from green to yellow brown collection, drying, to the wings and impurities after drying, storage reserve. 2, germination. Before sowing in spring, the seeds are soaked in warm water at 35 ℃ for 24 hours, washed with water after removing, and put in germination at room temperature for 12 to 24 hours at the damp place. 3, sowing. In the nursery to do high beds, according to row spacing of 30 cm sowing, sowing rate of 2.5 kg per acre with seeds is appropriate, sowing light soil step on. 4, Miao Miao. Mild seedlings after emergence, until the seedling height of about 10 cm spacing of 15 cm between the seedlings, the amount of leaves per acre 15,000 or so.