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(1)榆树不浇大水,但要掌握间干间湿,干透浇透,防止徒长。 (2)可施以适量有机肥作基肥,此后不再施追肥。也可以不施基肥,而在日常养护中,每周施一次稀薄液肥。 (3)幼龄桩二年翻盆一次,老桩三、五年翻盆一次,时间以春季萌发前为好。翻盆时要对根系进行一次全面修剪,最好采用浅盆高栽的方法以利于提根。
(1) Elm trees do not water, but to grasp the wet between the dry, drenched thoroughly to prevent leggy. (2) can be applied as a base fertilizer organic fertilizer, then no longer topdressing. You can also do not base fertilizer, and in daily maintenance, apply a thin liquid fertilizer weekly. (3) The young pile turns over the basin once every two years, the old pile turns into the basin once in three or five years, and the time is better before the spring germination. Turn the basin when the root system to conduct a comprehensive pruning, the best method of planting shallow pots in order to facilitate the extraction of roots.