期刊
GEODERMA
卷 192, 期 -, 页码 286-294出版社
ELSEVIER
DOI: 10.1016/j.geoderma.2012.08.002
关键词
Humus WRB; Humus classification; Humus Forms; Humus diagnostic horizons; Reference Humus Form Groups; Prefix and suffix qualifiers for humus forms
类别
The morpho-functional classification of humus forms proposed in a previous issue by Zanella and collaborators for Europe has been extended and modified, without any change in diagnostic horizons, in order to embrace a wide array of humus forms at worldwide level and to complete and make more effective the World Reference Base for Soil Resources. For that purpose 31 Humus Form Reference Groups (HFRGs) and a set of prefix and suffix qualifiers are proposed, following the rules erected for the WRB. An exhaustive classification key, respecting the principles of WRB, is suggested and examples of classification are given for some already well known humus forms. (C) 2012 Elsevier B.V. All rights reserved.
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