This paper introduces types of trees planted for urban greening and makes a description of the maintenance and management of trees in gardens for urban greening from different angles.
2
我们看不到那么多种类的植被、树木和草等等。
We don't see as many types of vegetation, trees, grasses and so forth.
3
有些种类的树木已经被有经济头脑的林农淘汰出局，因为它们生长得太慢，或者作为木材作物的售价太低。
Some species of tree have been read out of the party by economics-minded forestersbecause they grow too slowly, or have too low a sale vale to pay as timber crops.
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