Search Results - "V. A. Kholodov"

Heterogeneity of Organic Matter of Aggregates of Protocalcic Chernozems by Kholodov, V. A., Farkhodov, Y. R., Yaroslavtseva, N. V., Ziganshina, A. R., Maksimovich, S. V.

“…Layers were step-by-step removed from macroaggregates (2–1 mm in diameter) of Protocalcic Chernozems via successive abrasion in a revolving rotator during 5,…”
Get full text

Methodological Aspects of the Determination of Fatty Acids in Soil by Thermochemolysis by Farkhodov, Yu. R., Yaroslavtseva, N. V., Kholodov, V. A.

“…Fatty acids (FAs) are among the most informative parts of nonspecific soil organic matter). Their composition and content reflect the specific features of many…”
Get full text

Changes in the Ratio of Aggregate Fractions in Humus Horizons of Chernozems in Response to the Type of Their Use by Kholodov, V. A., Yaroslavtseva, N. V., Farkhodov, Yu. R., Belobrov, V. P., Yudin, S. A., Aydiev, A. Ya, Lazarev, V. I., Frid, A. S.

“…Data on the aggregate-size distribution (dry sifting method) in humus horizons of chernozems were processed by principal components analysis (PCA) with the…”
Get full text

Contents of Organic Carbon and Nitrogen in Particle-Size Fractions of Aggregates of Typical Chernozems (Protocalcic Chernozems) by Kholodov, V. A., Yaroslavtseva, N. V., Yashin, M. A., Farkhodov, Yu. R., Ilyin, B. S., Lazarev, V. I.

“…Specific features in the content and accumulation of organic carbon and nitrogen in the aggregates of typical chernozems (Protocalcic Chernozems) of long-term…”
Get full text

Particle-Size, Microaggregate-Size, and Aggregate-Size Distributions in Humus Horizons of the Zonal Sequence of Soils in European Russia by Filippova, O. I., Kholodov, V. A., Safronova, N. A., Yudina, A. V., Kulikova, N. A.

“…Experimental data on size distribution of micro- and macroaggregates and primary soil particles were obtained by laser diffraction analysis of the samples of…”
Get full text

Thermolabile and Thermostable Organic Matter of Chernozems under Different Land Uses by Kholodov, V. A., Farkhodov, Yu. R., Yaroslavtseva, N. V., Aydiev, A. Yu, Lazarev, V. I., Ilyin, B. S., Ivanov, A. L., Kulikova, N. A.

“…The purpose of the work is a comparative study of the molecular composition of thermolabile (volatilizes at 300°C) and thermostable (volatilizes at 500°C)…”
Get full text

Mobilization of Soil Organic Matter by Ultrafresh Water: Modeling and Assessment of the Impact on the Mobility of Heavy Metals by Grechishcheva, N. Yu, Yaroslavtsev, N. V., Kotelnikova, A. D., Ostakh, O. S., Kholodov, V. A., Zavorotny, V. L., Balaba, V. I.

“…The experiments on mobilization of soil organic matter during soil washing with ultrafresh water against the background of salinity pulsing were designed and…”
Get full text

Influence of No-Till System on the Distribution of Organic Carbon and Nitrogen by Aggregate Size Fractions in Protocalcic, Endocalcic, and Pantocalcic Chernozems by Kholodov, V. A., Belobrov, V. P., Yaroslavtseva, N. V., Yashin, M. A., Yudin, S. A., Ermolaev, N. R., Dridiger, V. K., Ilyin, B. S., Lazarev, V. I.

“…— The specific features in accumulation and distribution of organic carbon and nitrogen in the aggregates of typical, ordinary, and southern chernozems…”
Get full text

Optical Properties of the Extractable Organic Matter Fractions in Typical Chernozems of Long-Term Field Experiments by Kholodov, V. A., Yaroslavtseva, N. V., Farkhodov, Yu. R., Yashin, M. A., Lazarev, V. I., Iliyn, B. S., Philippova, O. I., Volikov, A. B., Ivanov, A. L.

“…The extractable fractions of organic matter (OM) differing in their mobility — water-extractable organic matter, labile humic substances, and humic substances…”
Get full text

Composition and hydrophobic properties of organic matter in the densimetric fractions of soils from the Subpolar Urals by Dymov, A. A, Milanovskii, E. Yu, Kholodov, V. A

“…Organic matter features in the upper mineral horizons have been studied for four soils in the Subpolar Urals: humus-illuvial podbur (Entic Podzol), gleyic…”
Get full text

Enzymatic activity inside and outside of water-stable aggregates in soils under different land use by Garbuz, S. A., Yaroslavtseva, N. V., Kholodov, V. A.

“…A method is presented for assessing the distribution of enzymatic activity inside and outside of water-stable aggregates. Two samples of water-stable…”
Get full text

Contact angles of wetting and water stability of soil structure by Kholodov, V. A, Yaroslavtseva, N. V, Yashin, M. A, Frid, A. S, Lazarev, V. I, Tyugai, Z. N, Milanovskiy, E. Yu

“…From the soddy-podzolic soils and typical chernozems of different texture and land use, dry 3-1 mm aggregates were isolated and sieved in water. As a result,…”
Get full text

Copper(II) binding by free and kaolinite-sorbed humic substances by Kholodov, V. A, Kiryushin, A. V, Yaroslavtseva, N. V, Frid, A. S

“…Humic preparations isolated from different sources—soils (a soddy-podzolic soil and a typical chernozem), high-moor peat, and brown coal—have been used. To…”
Get full text

Composition of Organic Matter and Biological Properties of Eroded and Aggraded Soils of a Small Catchment in the Forest-Steppe Zone of the Central Russian Upland by Farkhodov, Yu. R., Nikitin, D. A., Yaroslavtseva, N. V., Maksimovich, S. V., Ziganshina, A. R., Danilin, I. V., Kholodov, V. A., Semenov, M. V., Zhidkin, A. P.

“…The impact of land use and erosion-deposition processes on some physical, chemical, and biological soil properties in a small agricultural catchment in Kursk…”
Get full text

Water-Extractable Organic Matter of the Soils with Different Degrees of Erosion and Sedimentation in a Small Catchment in the Central Forest-Steppe of the Central Russian Upland: Soil Sediments on the Dry Valley Bottom by Kholodov, V. A., Yaroslavtseva, N. V., Ziganshina, A. R., Danchenko, N. N., Danilin, I. V., Farkhodov, Yu. R., Zhidkin, A. P.

“…The composition of the water-extractable organic matter (WEOM) of sedimented soils, namely, dark-humus water-accumulative stratozems (Fluvic Chernic Phaeozems…”
Get full text

Water-Extractable Organic Matter of Soils with Different Degrees of Erosion-Induced Degradation and Sedimentation in a Small Catchment in the Central Forest-Steppe Part of the Central Russian Upland: Tilled Soils by Kholodov, V. A., Yaroslavtseva, N. V., Ziganshina, A. R., Danchenko, N. N., Farkhodov, Y. R., Maksimovich, S. V., Zhidkin, A. P.

“…Dissolved organic matter is the most mobile part of soil organic matter; however, its change and transformation occurring during soil erosion are…”
Get full text

Dissolved Organic Matter of Chernozems of Different Use: the Relationship of Structural Features and Mineral Composition by Kulikova, N. A., Kholodov, V. A., Farkhadov, Y. R., Ziganshina, A. R., Zavarzina, A. G., Karpukhin, M. M.

“…Structural peculiarities of the organic component of dissolved organic matter (DOM) of typical chernozems (Protocalcic Chernozem), differing in the principal…”
Get full text

Dissolved organic matter and microbial carbon of Protocalcic Chernozems of different land management by Kholodov, V. A., Farkhodov, Yu. R., Yaroslavtseva, N. V., Danchenko, N. N., Ilyin, B. S., Lazarev, V. I.

“…Water-extractable organic matter is the most active and mobile form of soil carbon. The other active fraction and extremely biolabile is the carbon constituent…”
Get full text

Organic matter and mineral matrix of soils: modern approaches, definitions of terms and methods of study (review) by Kholodov, V. A., Rogova, O. B., Lebedeva, M. P., Varlamov, E. B., Volkov, D. S., Ziganshina, A. R., Yaroslavtseva, N. V.

“…Due to the complexity and heterogeneity of soil organic matter, a very wide range of methods and approaches is used to study it. This generates an excessive…”
Get full text

Stabilization of oil-in-water emulsions by highly dispersed particles: Role in self-cleaning processes and prospects for practical application by Grechishcheva, N. Yu, Perminova, I. V., Kholodov, V. A., Meshcheryakov, S. V.

“…Natural self-cleaning processes are a special focus area in searching for cost-effective and environmentally sound technologies for minimizing the oil spot…”
Get full text