1、 Introduction

It is also called white poplar. It is a deciduous tree, which is often used as a protective tree species. Its flowering period is about April to may, and it is also widely distributed

2、 Maintenance

It generally grows in very humid places and is common in the Yangtze River area. Generally, it needs to be maintained at the position with thick soil layer and topdressing every year, otherwise it is easy to produce diseases and pests. Watering should be timely when planting. Generally, it needs to be watered every month, and then supplemented in autumn to prevent frostbite in winter

3、 Reproduction

Due to the large tree shape, sowing method is often used for reproduction. First, the soil shall be treated well, deep ploughing shall be carried out, and then fertilization and weathering shall be carried out for a period of time. It is necessary to accelerate germination when sowing, and loosen and water the soil in time after planting