The drought trend of China's semi-arid areas has dramatically intensified in the past 50 years as a result of global climate change, which clearly affects crop production and water use. This paper, selecting the semi-arid area of Guyuan in China as the research base, is a study of the impact of...

A field experiment was conducted to evaluate the effects of temperature on winter wheat (Triticum aestivum L.) at the Tongwei County (35°13'N, 105°14'E), Gansu, in the semiarid northwest of China from 2006 to 2008. Two study sites were chosen: one at Tongwei experimental station, situated...