泡桐是我县广大群众喜爱栽植的用材树种,它生长快、材质好、用途广,又是重要的出口物资。在毛主席关于“有了优良品种,即不增加劳动力、肥料,也可获得较多的收成”的教导指引下,我们积极开展了全县的泡桐选优工作,并于1974年春,在褚河公社余王大队营建了泡桐优树采根圃。现将基本作法简介如下: 1.圃地选择:泡桐良种采根圃圃地的选择是良种繁育好坏的关键。余王大队位于我县泡桐集中产区的颍河岸边,有十余年的泡桐生 Paulownia is the majority of my favorite planting timber species, it grows fast, good material, wide use, but also important export materials. Under the guidance of Chairman Mao on “With excellent varieties, that is, without increasing labor force and fertilizers, we can get more harvests”, we actively carried out the best selection of Paulownia in the county. In the spring of 1974, Yu Wang Brigade commune built Paulownia trees take root nursery. Now the basic practices are as follows: 1. Garden Choices: Paulownia seedling selection of nursery garden is the key to breeding good or bad. Yu Wang Brigade is located in the focus of production areas in our county Ying River bank, there are more than ten years Paulownia