Sap flow of Gansu poplar in farmland shelter forest during the growing season in desert oasis
荒漠绿洲农田防护树种二白杨生长季节树干液流的变化

The Gansu Poplar (Populus gansuensis C.Wang et H. L.Yang ) shelter forest farmland play an important role in protecting and improving in the middle Heihe basin. It covers the area of about 18000 hectares and shelters farmland of 66700 hectares against damages of sandstorm and dry thermal wind. Understanding of water consumption in artificial Gansu Poplar forest is critical for assessing the balancing relation between the ecological function of artificial forest and the consumption of water resources. The he...