为了加速绿化和培育速生丰产林,我社每年都培育大量泡桐苗木。但是,由于缺乏肥水管理,大部分苗木都在2米与3米之间。这类苗木的特点是:根系发达。有的生产队对这类苗木不能充分利用,总认为大苗好,就把这部分苗木,白白砍掉,进行平茬。这样,虽能培育成大苗,但是,晚出圃一年,延迟了栽植年限,造成了土地、苗木的浪费,能不能把这类苗木 In order to accelerate greening and cultivate fast-growing and high-yielding forests, our company cultivates a large number of Paulownia seedlings every year. However, most seedlings are between 2 and 3 meters due to lack of fertilizer and water management. The characteristics of such seedlings are: root system developed. Some production teams can not make full use of such seedlings, and they always think that the seedlings are good. Put this part of seedlings in vain and cut them out for stubble. In this way, although it can cultivate into a large seedling, it will be delayed for one year after planting in the nursery and the planting period will be delayed, resulting in the waste of land and nursery stock. Can these nursery stock