论文部分内容阅读
泡桐是我县广大群众喜爱栽植的一种速生树种。几年来,我县在发展泡桐生产中,初步掌握了泡桐的一般特性,找到了培育泡桐高干无节良材的一些方法,现简介如下。1.培育优质壮苗,在出圃前进行分级标号。5米以上的为1级苗,4—5米为2级苗,3—4米为3级苗,3米以下的在苗圃进行平茬,以培育高干。2.四边和道路绿化,必约栽植大苗,壮苗(即1—2年生的工级苗);栽前要挖1米见方的大穴,适量施入底肥,确保泡桐旺盛生长。
Paulownia is my favorite planting of the masses of a growing tree species. In recent years, my county in the development of the production of Paulownia, the initial grasp of the general characteristics of Paulownia, find Paulownia high stem no good material some of the methods are summarized below. 1. Cultivate high-quality seedlings, in the nursery grading mark. 5 meters above the level 1 seedlings, 4-5 meters for the 2 seedlings, 3-4 meters for the 3 seedlings, 3 meters below the stubble in nurseries to cultivate high dry. 2. Four sides and the road greening, will be about planting large seedlings, strong seedlings (1-2 years of workers-level seedlings); planted before digging 1 meter square big hole, appropriate amount of applied to the base fertilizer to ensure the vigorous growth of Paulownia.