四旁绿化

在我国，杨树（populus）的栽植遍及全国各地，是我国用材林、防护林和四旁绿化林的主要树种。

In our country , poplar ( populus ) of planting throughout the country , is timber , shelterbelts and afforestation major forest tree species .

核桃属胡桃科（Juglandaceae）核桃属（Juglans）植物，是我国栽培较为广泛以果仁为主要产品的树种之一，也是经济、用材和四旁绿化的多用途重要树种。

Walnut is the most widespread tree in genus walnut ( Juglans ) of walnut family ( Juglandaceas ) . It is a kind of woody and grain plant which mainly produces kernels and itis also an important plant for economics , commercial timber and greening .

中山市四旁绿化调查与分析

Survey and Analysis of Turning the Four sides Green in Zhongshan City

四旁绿化树伐木技术要领

Cutting techniques for greening trees

以典型三阶抽样和一阶抽样方法，建立调查样本，对中山市乡镇和自然村四旁绿化进行抽样调查。

Survey samples are set up by using typical methods of3-rank and1-rank sampling to survey the turning the " four sides " green of townships and villages in Zhongshan City .

针对赣南新农村建设的实际，提出了新农村建设四旁绿化及苗木产业化树种选择的原则与方法。

According to the practice of new countryside construction in the south of Jiangxi , the principles and methods of selecting species to afforest " four sides " and to develop industrialization are put forward .