土壤质量 - 田间土壤描述

[中文适用范围]： 本文件提供了有关现场土壤及其环境背景的描述的指导。 适用于自然、近自然、城市和工业场所。 土壤观察和测量可以在项目现场水平、地块水平、层或水平水平以及特定土壤成分上进行。 它还就如何描述严格意义上的人为（人造）材料层或未受成土过程改变的层以及如何描述天然或人造来源的粗糙材料提供了指导。 本文件可与其他出版物结合使用，这些出版物提供有关土壤观测和测量特定方面的指导或要求。 注 1 可能不可能或没有必要记录第 4 至 11 条中列出的所有标题下的数据。 注 2 ISO 15903 中给出了土壤调查信息呈现的总体指南。 注 3 所提供的指南假设采样将在根据 ISO 18400 进行。 [外文原描述]： This document provides guidance on the description of soil in the field and its environmental context. It is applicable to natural, near-natural, urban and industrial sites. The soil observations and measurements can be made on a project site level, on a plot level, on layer or horizon level and on specific soil constituents. It also provides guidance on how to describe layers of anthropogenic (artificial) material or layers that were not modified by pedogenic processes in the strict sense and how to describe coarse material of natural or artificial origin. This document can be used in combination with other publications that provide guidance or requirements regarding specific aspects of soil observations and measurements. NOTE 1 It might not be possible or necessary to record data under all the headings listed in Clauses 4 to 11. NOTE 2 Overall guidance for presentation of information from soil surveys is given in ISO 15903. NOTE 3 The guidance provided assumes that sampling will be done in accordance with ISO 18400.