豫南白浆化黄褐土系统分类及高级分类参比研究

Soil Taxonomy and High Category Classification Reference of the Albic Yellow-cinnamon Soils in the Southern Region in Henan Province

根据土壤理化性质,按照《中国土壤系统分类检索(第三版)》中的诊断层和诊断特性对河南南部地区白浆化黄褐土的4个代表性土壤剖面进行检索,确定其在中国土壤系统分类中的属于淋溶土纲,湿润淋溶土亚纲、漂白湿润淋溶土土类及相应的亚类;并分别在美国土壤系统分类(ST)、联合国制定的世界土壤图图例(FAO UNESCO)和中国土壤分类系统的不同分类系统作出高级分类归属和参比.

Based on the physical and chemical properties of soil by means of new taxonomical principle and method of'Chinese Soil Taxonomy (3rd edition)',the complete soil taxonomic classification of the four typical soil profile were obtained.They could be allocated in Alfisol order, Udalf suborder, Albudalf great group and respectively subgroup. On the basis of obtained data,the high category classification status of 'ST','FAO-UNESCO', and'Chinese Soil Category Classification System' were analyzed,and the high category classification reference were obtained accordingly.