The field experiment was conducted from 2006 to 2007 at the Linze Inland River Basin
Comprehensive Research Station (39°21′N, 100°07′E, 1382 m above sea level) located in the Linze town
of Gansu Province, Northwest China. The site is characterized by a typical semiarid continental monsoon
climate. The annual mean temperature is 7.3℃. The mean annual precipitation is 116.8 mm. Mean annual
pan-evaporation is around 2390 mm. Soil type was identified as an orthic anthrosoil with a sandy texture.