北方土壤大多偏碱性,不利于南方喜酸性土壤花卉的生长。要想养好南方花卉,就得对土壤进行改良,使其由碱性变成酸性。改良有多种方法,对于一个业余花卉爱好者或者处在边远地方,条件不具备者,我认为用松针改良最为行之有效。对此我有十多年的实践经验,所养的山茶、杜鹃、兰花均生长良好,叶片浓绿油亮,花多色艳。黑龙江落叶松遍地可见。把松下新落的松针拨去,取出下面变色陈旧的松针即可备用。配制比例可 Most of the northern soil is more alkaline, is not conducive to the southern hi acidic soil flower growth. If you want to keep the southern flowers, you have to improve the soil to make it from alkaline to acidic. There are many ways to improve. For an amateur flower lover or in a remote area who does not have the conditions, I think the most effective way to improve pine needles is to use pine needles. In this regard, I have more than 10 years of practical experience, the raised Camellia, rhododendron, orchids are well-grown, thick green leaves bright, colorful flower color. Heilongjiang larches can be seen everywhere. Remove the new pine needles to the pine, remove the discoloration of the old pine needles to spare. Preparation ratio can be