Micromorphological features of soils of semidesertic solonetzic complexes under different herbaceous communities with the participation of fodder plant Kochia prostrata (Caspian lowland)
https://doi.org/10.19047/0136-1694-2019-100-83-116
Abstract
The aim of the study was to research the relationship of chemical and micromorphological properties of soils with the growth of Kochia prostrata. The objects of study were the soils on natural pastures of the North-Western part of the Caspian lowland. It was laid 4 soil pits (soils – light solonetz, solonetzic chestnut) with the maximum penetration depth of the main mass of roots of the studied plants. K. prostratais a very plastic forage species that can grow on soils with a wide range of morphological properties, different salt content and their chemical composition. It is revealed that on the background of almost the same content of humus and high content of exchangeable magnesium micromorphological features represent the different degree of manifestation of primary pedogenic processes – humus accumulation, leaching of soluble salts, gypsum accumulation, carbonate enrichment, solonetzization. Despite the different content of exchangeable sodium, in all soils there are fresh clay or humus-clay illuvial coatings, indicating the manifestation of the modern eluvial-illuvial redistribution of fine matter (lessivage or illimerization).
Supporting agencies: Russian Foundation for Basic Research, Russian Academy of Sciences
About the Authors
Oxana Plotnikova
V.V. Dokuchaev Soil Science Institute
Russian Federation
Russian Federation
Oxana O. Plotnikova, junior researcher
Laboratory of soil mineralogy and micromorphology
7 Bld. 2 Pyzhevskiy per., Moscow 2119017
Marina Lebedeva
V.V. Dokuchaev Soil Science Institute
Russian Federation
Russian Federation
Marina P. Lebedeva, the Head of laboratory
Laboratory of soil mineralogy and micromorphology
7 Bld. 2 Pyzhevskiy per., Moscow 2119017
E. B. Varlamov
V.V. Dokuchaev Soil Science Institute
Russian Federation
Russian Federation
Laboratory of soil mineralogy and micromorphology
7 Bld. 2 Pyzhevskiy per., Moscow 2119017
Yu. D. Nukhimovskaya
A.N. Severtsov Institute of Ecology and Evolution
Russian Federation
Russian Federation
33 Leninskiy prosp., Moscow 119071
E. V. Shuyskaya
Timiryazev Institute of Plant Physiology Russian Academy of Sciences
Russian Federation
Russian Federation
35 Botanicheskaya Str., Moscow 127276
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Review
For citations:
Plotnikova O., Lebedeva M., Varlamov E.B., Nukhimovskaya Yu.D., Shuyskaya E.V. Micromorphological features of soils of semidesertic solonetzic complexes under different herbaceous communities with the participation of fodder plant Kochia prostrata (Caspian lowland). Dokuchaev Soil Bulletin. 2019;(100):83-116. (In Russ.) https://doi.org/10.19047/0136-1694-2019-100-83-116
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