飞机由东南到西北,在中国版图上划了一条斜线。万里晴空无云,当脚下山川由青葱黛绿渐变成夹杂着几条绿色茎脉的褐黄时,远处强光直射下泛着清亮之光的黄河,以及河水滋润下绿意盎然的银川平原告诉我,“天下黄河富宁夏”这话不虚。但是,从银川向南仅300公里的西海固,却是另一番景象——“十年九旱,苦瘠甲天下”。这里 The plane from southeast to northwest, in the territory of China draw a slash. Miles clear the air cloudless, when the foot of the mountain green Dai Dai green gradient into mixed with a few green stalks of brown, the distance glare under the direct light of the glow of the Yellow River, and the green water under the verdant Yinchuan Plain Tell me, “The world Yellow River Fu Ningxia ” This is true. However, only 300 kilometers south of Yinchuan Xihaigu, but it is another story - “Nine years of drought, bitter a world ”. Here