Structure and stability of soil aggregates

被引：13
|
作者：
Khan, K. Yu. [1 ]
Pozdnyakov, A. I.
Son, B. K.
机构：
[1] Prioksko Terrasnyi State Nat Biospher Reserve, Danki 142290, Moscow Oblast, Russia
[2] Moscow MV Lomonosov State Univ, Fac Soil Sci, Moscow 119992, Russia
[3] Russian Acad Sci, Inst Fundamental Problems Biol, Pushchino 142290, Moscow Oblast, Russia
来源：
EURASIAN SOIL SCIENCE | 2007年 / 40卷 / 04期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S1064229307040060
中图分类号：
S15 [土壤学];
学科分类号：
0903 ; 090301 ;
摘要：
The formation and disintegration of macroaggregates into water-stable particles in a wide range of soil water contents-from the hygroscopic moisture to the capillary saturation moisture-were analyzed. It was found that the disintegration of macroaggregates into water-stable particles follows an exponential law. As the system becomes a three-phase system, neighboring particles in the macroaggregate are pressed together due to capillary pressure, and strong molecular bonds are formed. The disintegration curve of macroaggregates is an integral informative characteristic, which reflects the dynamics of changes in the strength properties of the macroaggregates.
引用
收藏
页码：409 / 414
页数：6
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