暗色潜育土和草甸褐土在陕西主要分布在渭河两岸的一、二级阶地上,但以周至、户县地区比较集中,面积最大,土壤性状尤为典型,当地群众称为“黑土”、“鸡粪土”、“黑立土”等,名称不一,因地而异。这类土壤在本区约三十余万亩,由于所处地势低平,水分条件过湿,土性不良,为本区主要的低产土壤之一。陕西周户地区是古老的农业区。曾有不少的土壤工怍者对该区进行过调查和研究工 Dark soil and meadow cinnamon are mainly distributed on the first and second terrace on both banks of the Weihe River in Shaanxi Province, but are concentrated in Zhouzhi and Huxian area with the largest area and the soil characteristics are typical. The local people call it “black soil” “Chicken manure”, “black soil”, the names vary, depending on the place. About 300,000 mu of this kind of soil is in this area, which is one of the main low-yielding soils in the region due to the low level of the terrain and the over-wet conditions of water and poor soil properties. The weekly area in Shaanxi is an ancient agricultural area. There have been many soil workers who conducted surveys and research work in this area