Foxtail millet is one of the main food crops in arid and semi-arid areas of China. Due to its strong anti-adversity,wide adaptability and resistance against drought and barren,the foxtail millet is treated as an important strategic crop reserve for the future drought situation. In this study,data from 157 geographical distributions were used to choose 10 climatic indices,7 soil indices and3 topographical indices,which were based on the relationship between the foxtail millet production and the environmental...