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来信(见文后附信、照片)谈到当你在1996年5月18、19日两天独自管理你单位盆景园时,于20日发现一棵五针松盆景老叶、新叶均抽干,且发黄,遂断定是这两天管理不善所致。现对你所提疑问,答复如下:关于五针松盆景死亡的问题,据来信介绍结合敞人的经验,认为归结起来主要原因有三:一、气温的异常变化:二、水分的控制失宜:三、综合管理欠佳。5月份和9月份是一年里气温变化最大的季节。它正处在气温由低温到高温和由高温到低温转变交替时间,伴随着晴雨反复无常地出现,形成闷热气候现象。这种不稳定的反复无常的变化,使五针松盆景的管理人员很难捉摸,于是难免出现问题。过了5月、9月这两个月后,其他月份相对地说气温的变化较有秩序地平稳过渡,管理人员也就容易掌握。五针松盆景的死亡很难及时被发现,其原因正如读者所说它是“油性较大的针叶树”。如一旦被发现死亡(如所附的
Letters (see attached paper, photo) When it comes to managing your unit’s bonsai garden alone on May 18,1996 for two days on May 18, 1996, you will find an old leaf of Pinus bungeana on the 20th with new leaves all pumping Dry, and yellow, then concluded that these two days due to poor management. Now on your question, the reply is as follows: On the death of Pinus bungeana, according to the letter introduced with the experience of the open, that there are three main reasons for the sum: First, the abnormal temperature changes: Second, the water control loss: three Poor integrated management. May and September are the most varied seasons of the year. It is in the temperature from low temperature to high temperature and from high temperature to low temperature change of alternating time, accompanied by the frequent occurrence of rain and heat, the formation of hot weather phenomenon. This instability of capricious changes, so that the manager of Pinus bungeana elusive, so inevitably problems. After May and September these two months, the relative changes in temperature in other months made a smooth transition in an orderly manner and managers were easy to grasp. The death of Pinus bungeana is difficult to detect in time because, as readers say, it is “oily conifer”. As soon as it is found dead (as attached