Abstract
In the sequence of soil composed of black earths, deluvial soils, organic soils covered with a thin layer of mineral-organic deposit and moorsh soils, soil texture, bulk density, content of organic carbon and organic matter, total porosity, total and readily available water as well as resources of organic matter and water in 0-25 cm and 0-100 cm layers of the soil profile were studied. A catenal variabilities of organic matter content and physical-water properties were found. Physical properties and the contents of total and readily available water depended on soil texture, organic matter content and location in a relief. Total porosity, field water capacity and volume of macropores were positively correlated with organic matter content, and negatively with bulk density. Differences in studied properties between the pedons of black earths and deluvial soils were small, whereas these differences between deluvial and moorsh soils were distinct. In the development of water resources in the profiles of these soils, presence of organic subsoil with high retention capacity played the important role. The studied soils had unfavorable distribution of soil pores, resulting from a small volume of air pores.
Highlights
The Sępopol Lowland is distinguished from Masurian Lakeland by the lithogenesis and morphogenesis
Shallow humous colluvial soils located in the depression contained 4–5 % more silt fraction and 8–16 % more clay than proper colluvial soils located in the middle part of the slope
Field water capacity and volume of macro and micropores were significantly positively correlated with organic matter content (Table 3)
Summary
The Sępopol Lowland is distinguished from Masurian Lakeland by the lithogenesis and morphogenesis. Sępopol Lowland forms an extensive basin without well-developed morainic forms and lakes. The zone of ice-dammed lake plains includes Sepopol Lowland, formed as a result of deglaciation phase of Pomeranian Vistula Glaciation, during which clay and loam of clay facies were accumulated (glaciolimnic deposits). Associations of black earths, brown soils and lessive soils, which are intensively used in agriculture as a result of their high potential fertility, were formed from glaciolimnic deposits. Human activity led to the diversification of soil cover and the formation of soil toposequences comprising eroded and colluvial soils along the slope as well as upper-silted organic soils in land depressions. Brown soils and black earths were formed from these formations. They have high quality and are intensively used for agricultural purposes
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
