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论述美国土壤系统分类的优缺点

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2022-04-19 10:44
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正确答案

优点:①、把土壤水分和温度作为分类依据,这些指标可以具体观察和量测,而且单元土系的分类指标统一,便与定量分类。
②、把近5000个土系有关的属性输入计算机编程检索。
③、该分类制使用拼音命名,简单明了,可以顾名思义。
④、侧重于以土壤本身属性进行分类。
缺点:①、未能完全贯穿发生学的原则,指标过于繁琐分散,有些高级分类单元概括过广。
②、分类制不重视耕作土壤,水稻土等重要耕作土壤在分类上没有应有的位置。
③、在诊断层、诊断特性的具体含义和划分上还存在混淆不清和有争议的地方。


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论述美国土壤系统分类的优缺点
简述土壤系统分类的优缺点。
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