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火炬树是北方干旱地区绿化的好树种,每年秋季种子成熟。由于外种皮有一层坚硬的蜡质,必须于播种前一周,将种子放入80℃热水中浸泡,待水温降至能放手时用手揉搓,去掉蜡质,再用45℃温水浸泡两昼夜,捞出后混沙催芽。种沙比为1:2,上面盖塑料膜。以后每天翻动1~2次,待2~3天后,种子有一半裂嘴时即可播种。北方一般在4月中、下旬播种,来用条播,行距25~30厘米。播前圃地灌足底水,每公顷播种15公斤左右,覆土1厘米,稍镇压。经常保持土壤湿润,15天左右可出齐
Rhus typhina is a good species of afforestation in the northern arid area, with seeds ripening in autumn each year. As the outer seed coat has a hard wax, must be in the week before sowing, the seeds into the 80 ℃ hot water soak, until the water temperature drops to hand rub, remove the wax, then 45 ℃ warm water soak two Day and night, remove and mix sand sprout. Sand ratio of 1: 2, covered with plastic film. Flip 1 to 2 times a day afterwards, until 2 to 3 days later, the seeds can be planted when the mouth is half cracked. North usually in mid-April, late sowing, to use broadcast, spacing 25 ~ 30 cm. Sowing the foot of the former garden irrigation foot water, sown about 15 kg per hectare, soil cover 1 cm, a little crackdown. Often keep the soil moist, 15 days can be out of Qi