进行苗木产量、质量和病虫害等调查,目前,生产上一般采用标准地或标准行方法布点。本文介绍的随机数表布点方法经笔者在生产,特别在1981—1984年参加广西苗木标准的制定、验证调查的一百多次实践,证明效果良好,操作方法简便、迅速。现介绍如下。一、调查用具主要用具有:标签、皮尺、钢卷尺、计 Seedling production, quality and pests and diseases and other investigations, at present, the production of the general standard or standard line method of distribution. This article describes the random number table placement method by the author in the production, especially in 1981-1984 to participate in the formulation of seedling standards in Guangxi, verification survey of more than 100 times practice, the effect is proved good, the operation method is simple and rapid. Now introduced as follows. First, the main use of survey equipment: labels, tape measure, steel tape measure