一 地的表面及近於表面的地层,受气候的影响,构成各种不同的土壤。这是生物所依赖以生长的资源。生物里面的人类,受土壤的养育;他们的生活当然也受土壤的影响。 黄河流域山陕一带,黄土是显著累积的。(1)河南河北及山东北部一带,风沙遍蔽,原虽黄士,表面却现棕色及浅棕色。近河的 A surface and near the surface of the formation, affected by the climate, constitute a variety of different soil. This is the resource on which creatures depend. Human beings in living things are nurtured by the soil; their life is of course affected by the soil. The Yellow River Basin, Shaanxi and Shaanxi, the loess is significantly accumulated. (1) Hebei, Hebei and the northern part of Shandong Province, where the sand and wind are all over the area. Although the original Huangshi, the surface is brown and light brown. Near the river