适地适树的选好造林种树,是造林成败的关键,要想选好树种,首先要明确造林的目的。在我区平原造林,既要考虑林木的生态效益,改善生态环境,也要考虑获得林产品,取得经济收益。如营造用材林,主要是为了获得优质速生、丰产的干材,在选择树种时必须明确以下几个问题: Appropriate tree suitable tree planting, is the key to success or failure, in order to choose a good tree species, we must first clear the purpose of afforestation. Afforestation in our plain area not only needs to consider the ecological benefits of trees, improve the ecological environment, but also consider obtaining forest products and gain economic benefits. Such as creating timber forests, mainly to obtain high-quality fast-growing, high-yielding dry material, the choice of species must be clear when the following questions: