Abstract

Delineation of the features of paleocryogenic microtopography by zero-curvature morphoisographs on a test plot in the south of Moscow oblast enabled us to reveal the polygonal-blocky microrelief (microelevations, microdepressions, slopes, and runoff strips), forming eluvial, trans-eluvial, and trans-accumulative agrolandscapes. The soil cover pattern of eluvial agrolandscape includes elementary soil areas of noneroded, slightly eroded, moderately eroded, and aggraded soils. The agrolandscape is dominated by noneroded soils. The soil cover pattern of trans-eluvial agrolandscapes with microdepressions includes elementary soil areas of slightly, moderately, and strongly eroded soils, as well as eroded–aggraded and aggraded soils, with the dominations of slightly eroded soils. The soil cover pattern of trans-accumulative agrolandscapes also includes elementary soil areas of slightly, moderately, and strongly eroded soils; eroded–aggraded soils; and aggraded soils with the domination of strongly eroded soils. The paleocryogenic microrelief became the initial factor of the formation of elementary soil areas with different erosion rates during the long-term (200 years) agricultural use of these lands. Elementary soil areas with different erosion rates of the upper horizons are characterized by outcropping of underlying horizons of different textures. We have identified silt loam, light clay, and clay loam exposed to the surface by erosion on the studied plot. As a result, a complex soil cover pattern with differentiation of soils at the level of varieties (in Russian soil classification system, a taxonomic category based on the topsoil texture) was formed.

中文翻译：

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古低温成因是农业灰色土壤异质性的一个因素

摘要

在莫斯科州南部的一个测试地块上通过零曲率形态仪描绘了古微地貌的特征，这使我们能够揭示多边形块状的微浮雕（微高程，微凹陷，坡度和径流带），形成了冲积，跨冲积，和累积性农业景观。坡耕地景观的土壤覆盖格局包括基本土壤面积，即无侵蚀，轻度侵蚀，中度侵蚀和侵蚀的土壤。农业景观主要由未剥蚀的土壤主导。具有微凹痕的跨坡农业景观的土壤覆盖模式包括轻度，中度和强侵蚀土壤的基本土壤区域，以及轻度侵蚀和凝结的土壤，主要是轻度侵蚀的土壤。反累积农业景观的土壤覆盖模式还包括轻度，中度和强侵蚀土壤的基本土壤面积；侵蚀的土壤 和侵蚀性土壤，以强侵蚀性土壤为主。在这些土地的长期（200年）农业利用过程中，古低温微浮雕成为形成侵蚀速率不同的基本土壤区域的初始因素。上层土壤侵蚀率不同的基本土壤区域的特征是露出不同质地的下层土壤。我们已经确定了在研究样地上通过侵蚀暴露在表面的粉砂壤土，轻质粘土和黏土壤土。结果，形成了一个复杂的土壤覆盖模式，在不同品种的土壤上具有不同的土壤分化能力（在俄罗斯土壤分类系统中，