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CHANGE OF BIOLOGICAL ACTIVITY OF RENDZINA SOILS OF WESTERN CAUCASUS AT POLLUTION BY ZINC, CADMIUM, MOLYBDENUM AND SELENIUM  [2015]

Tatlok D. R. Kolesnikov S. I. Kazeev K. S. Tatlok R. K. et al. Maikop State Technological University [Corporate Author] South Federal University [Corporate Author]

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Rendzina soils are very widespread in the Caucasus. Because of their ecological and genetic characteristics Rendzina has significant buffering capacity to chemical pollution. The object of investigation was calcareous leached soil. Location selection - Azishskaya ridge on the border of the Republic of Adygea and the Krasnodar region. As pollutants, we have selected Zn, Cd, Mo, Se, since soil contamination with these elements in the south of Russia is not uncommon. Contamination of zinc, cadmium, molybdenum and selenium causes deterioration in the biological properties of calcareous soils of the Western Caucasus. We have investigated the toxicity of the elements formed following series due to their influence on Rendzina soils: Zn Se Cd = Mo. The study attempted to analyze the entire range of concentrations of the examined elements in the soil, currently occurring in nature. In most cases, all the investigated substances registered direct correlation between the concentration of the pollutant in the soil and the degree of reduction of biological indicators. The activity of catalase and dehydrogenase cellulolytic ability, plenty of bacteria of the genus Azotobacter, length of roots of radish can be used to monitor, diagnose and regulation of chemical pollution of soil Zn, Cd, Mo, Se

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Polythematic Online Scientific Journal of Kuban State Agrarian University

ISSN : 1990-4665