首先配制营养液,可用氮、磷、钾复合肥料,也可用磷酸二氢钾和尿素配制成1%浓度的标准液。其次,播种时,先用1%的硫酸铜浸泡20分钟,然后洗净放到30℃恒温箱中催芽。待芽齐后,再播种到铺有滤纸的瓷盘上。一般播种量为正常播 First preparation of nutrient solution, available nitrogen, phosphorus and potassium compound fertilizer, potassium dihydrogen phosphate and urea can also be formulated into a standard solution of 1% concentration. Second, when sowing, first soaked with 1% copper sulfate for 20 minutes, and then washed into the 30 ° C incubator sprouting. Wait until the buds, and then sown to the shop with filter paper on the porcelain. The normal sowing rate is normal broadcast