Shelter-forest system 防护林系统

farm shelter-forest system 农田防护林系统

the shelter-forest system 防护林体系

coastal shelter-forest system 沿海防护林体系

farmland shelter-forest system 农田防护林体系

the coastal shelter-forest system 沿海防护林带

yangtse river shelter-forest system 长江防护林体系

farm-shelter forest system of desert-oasis 绿洲农田防护林系统

Regenerated forest under shelter-wood system 伞伐材