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首页> 外文期刊>Moscow University Soil Science Bulletin >LATERAL VARIABILITY OF AGROPHYSICAL PROPERTIESAND HETEROGENEITY OF THE HYDROTHERMIC FIELDIN THE COMPLEX SOIL COVER OF THE SOUTHERN PARTOF THE MOSCOW REGION
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LATERAL VARIABILITY OF AGROPHYSICAL PROPERTIESAND HETEROGENEITY OF THE HYDROTHERMIC FIELDIN THE COMPLEX SOIL COVER OF THE SOUTHERN PARTOF THE MOSCOW REGION

机译：莫斯科南部复杂土壤覆盖层农业物理性质的横向变异性和热力场的非均质性

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摘要

The soil cover of the central and southern parts of the Russian Plain has a characteristic feature, which was interpreted by A. A. Velichko as remnants of the periglacial stage in the paleogeographic evolution of the area [1]. It is identified as alternating gray brown and darker, usually gray, spots on a recently tilled cropland. These alternating spots correspond to the complex pattern of the soil cover and the difference in color between the subarable horizons, which are involved into the plow layer in the course of plowing. Light-colored plots are those where the arable horizon is directly underlain by B or ELB horizons. Dark plots indicate sites with a deep humus-accumulative horizon whose thickness exceeds the depth of tillage, and the arablehorizon is underlain by a dark humus-enriched horizon, which is usually named second humus horizon, or SHH. There are many opinions on the origin and age of soils with the SHH [1-11]. However, the majority of pedologists believe that these soils were formed in the low elements of the cryogenic paleorelief, namely, in the thermokarst depressions and hollows that evolved in places of cryogenic fissuring in the course of permafrost degradation.
机译：俄罗斯平原中部和南部的土壤覆盖物具有一个特征，被A. A. Velichko解释为该地区古地理演化中冰期的残余物[1]。在最近耕种的农田上，它被识别为交替的灰棕色和较暗的（通常为灰色）斑点。这些交替的斑点对应于土壤覆盖物的复杂模式以及亚耕层之间的颜色差异，这些在耕作过程中会涉及到耕层中。浅色地块是可耕层地平线直接位于B或ELB地平线之下的地块。深色地块表示腐殖质积累水平较深，耕层厚度超过耕作深度，而耕种层位于深色腐殖质丰富的水平之下，通常被称为第二腐殖质水平（SHH）。 SHH对土壤的起源和年龄有很多观点[1-11]。但是，大多数儿科医生认为，这些土壤是在低温古陆的低层形成的，即在多年冻土退化过程中，在低温裂缝处演化出的热喀斯特凹陷和空洞中。

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