桩景能在小小的盆盎中保持强旺的生命力,几十年不衰退,培育者在养护中,几年一次的改植换土,是很重要的一项措施。桩景在盆中生长几年后,桩根沿着盆边密密麻麻地生长,成为绵絮状,将原土迫实,拱离盆面,原有的活性土已经失去团粒结构,造成板结,缺 The piles of landscapes can maintain strong vitality in a small pot of gold. For decades, the breeders will not decline and the breeders will have to change their soil several years for maintenance. This is an important measure. After several years of growth of the pile in the basin, the pile roots grew densely along the edge of the basin and became a cottony flocculent body. The original soil was forced to arch away from the basin surface. The original active soil had lost the aggregate structure, resulting in the plate knot, lack