在自然界中,三角枫嫩叶殷红,老叶晚秋变红。但在栽培过程中,人们习惯采用摘叶或轮流剪枝的方法促红,也有一定效果。只不过过多地剪枝或摘叶会使植株大伤元气,轻则长势减弱,重则闷芽僵棵甚至整株死亡,所以要想又催红又不使长势衰弱,应在催红前后加强管理。催红前的管理主要是培育壮棵。①坚持换盆换土。小苗每年换一次土,成型 In nature, the triangular maple leaves are bright red and the old leaves turn red in the late autumn. However, in the cultivation process, people are accustomed to using pick leaves or take turns pruning method of red, but also a certain effect. However, excessive pruning or pick the leaves will make the plant a great deal of vitality, ranging from the weakening of the situation, while the weight is boring buddha or dead whole plant, so you want to promote red and do not make the growing weak, should be reminded before and after the red Strengthen management. Promote the management before the red is to cultivate strong tree. ① insist on changing the basin for soil. Miao Miao soil change every year, forming