成都平原土壤系统分类典型土系划分  

The classification of typical soil series based on soil taxonomy in Chengdu Plain

作　　者：宫阿都[1] 何毓蓉[1] 黄成敏[2] 杨昭琮 雷清良 

机构地区：[1]中国科学院成都山地灾害与环境研究所,四川成都610041 [2]四川大学,四川成都610041 [3]成都市农业局土肥站,四川成都610000 [4]蒲江县农业局土肥站,四川蒲江610000

出　　处：《西南农业学报》2002年第1期70-73,共4页Southwest China Journal of Agricultural Sciences

基　　金：国家自然科学基金重点项目 (4 983 10 0 4);中国科学院特别支持项目成果之一

摘　　要：运用国际土壤系统分类的有关原理和方法 ,选择土层特征、土壤基本特性和土壤矿物学特性这三类指标作为成都平原典型土系划分的依据 ,重点概述了蒲江样区的光明系、敦厚系两个土系。研究表明 :新的土壤基层分类根据土壤本身的属性 ,以诊断层和诊断特性作为诊断指标 ,因而具有定量化、标准化、国际化和实用化的特点 。In this paper,the typical soil series in Chengdu Plain were divided on the base of taxonomic principles and methods of World Soil Taxonomy,and three indexes including soil layer characters,soil basic characters and soil mineralogical characters were chosen as the foundations of classification.In addition,Guangming series and Dunhou series of Pujiang typical region wer introduced significantly.The results indicated that the new soil basic taxonomy,according to soil characters itself and using diagnostic horizon and diagnostic characters as the diagnostic indexes,has more scientific meanings and wider use prospect than traditional genetic classification.

关 键 词：土壤 基层分类 土系 成都 平原土壤 矿物学 土层特征 土壤特性 光明系 敦厚系 诊断指标 土壤系统分类 

分 类 号：S155.3[农业科学—土壤学] S152.2[农业科学—农业基础科学]