贵州农业土壤硫素输入和输出比较，旱地土壤潜在缺硫。
Compared input and output of s in cultivated soil of Guizhou province, there was problems of potential sulfur deficiency in upland soil.
贵州是我国最典型的山地农业省区，面临着人口、资源、环境三者之间日趋尖锐的巨大压力。
Guizhou is the most typical mountainous agricultural province in China and faces the increasing enormous pressures from population, resources and environment.
綦江县是个农业县，位于中国西部商业中心重庆市南部，是通向多山的贵州省的一个门户。
The rural county of Qijiang lies south of Chongqing, the commercial center of western China, on the way to the mountainous province of Guizhou.
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