论述了河西走廊荒漠化土壤的地理分布、成土条件、理化性质和主要亚类。

The resources of desertified soil and the effect of biological soil building measures in Hexi Corridor;

youdao

论述了河西走廊荒漠化土壤的地理分布、成土条件、理化性质和主要亚类。

The resources of desertified soil and the effect of biological soil building measures in Hexi Corridor;

youdao