问;我于去年11月初从云南邮购一株佛手苗,至年底也不见长,且叶黄,慢慢脱落,这是什么原因? 广东赖秀答:主要是烂根引起的。烂根原因很多,归纳起来大致有以下几种情况。一、盆土过粘过实,导致透气不良,新根生长发育受阻。故上盆时宜用疏松的酸性土壤。二、浇水过多。初栽小苗,根系小,且因移栽受 Q: I bought a bergamot seedling from Yunnan at the beginning of November last year, and it did not grow up till the end of the year. And what is the reason for the loss of yellow leaves? Guangdong Lai Xiu A: It is mainly caused by rotten roots. Rotten roots for many reasons, summed up the following general situation. First, Pentu too sticky, leading to poor ventilation, growth and development of new roots blocked. Therefore, the basin should be used when the acidic soil loose. Second, excessive watering. Early planted seedlings, small roots, and because of transplanting