Stable and labile components of humus in soddy-podzolic soils

被引：4
|
作者：
Drichko, V. F. [1 ]
Bakina, L. G. [2 ]
Orlova, N. E. [3 ]
机构：
[1] Russian Acad Agr Sci, Res Inst Agrophys, St Petersburg 195220, Russia
[2] Russian Acad Sci, St Petersburg Res Ctr Ecol Safety, St Petersburg 197110, Russia
[3] St Petersburg State Univ, St Petersburg 199178, Russia
来源：
EURASIAN SOIL SCIENCE | 2013年 / 46卷 / 01期
关键词：
Soil Organic Matter; Humus; EURASIAN Soil Science; Soddy Podzolic Soil; Insoluble Residue;
D O I：
10.1134/S1064229312110038
中图分类号：
S15 [土壤学];
学科分类号：
0903 ; 090301 ;
摘要：
A mathematical model was proposed to characterize the seasonal dynamics of the humus composition in loamy soddy-podzolic soils. The results of determining the composition of the organic matter during two successive seasons revealed the presence of labile and stable components in almost all the groups and fractions of the humic substances. The seasonal changes in the content of the humic substances, the exchangeable Ca, and the pH value at the equilibrium state of the soil were found to be identical during the successive years.
引用
收藏
页码：37 / 43
页数：7
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