COMPARATIVE EVALUATION BETWEEN URBOCENOSIS AND AGROCENOSIS ON BASIS CHEMICAL AND MICROBIOLOGICAL CHARACTERISTICS OF SOILS
Pavlina N. Atanasova, Bojka Z. Malcheva, Plamena Y. Panayotova, Dragomir P. Dimitrov
Pagini: 285-292
Publicat: 28 May 2015
Vizualizări: 3,264
Descărcări: 708
Rezumat: There are presented chemical and microbiological analyses of soils from urbocenosis and agrocenosis from the region of city of Varna. There are determined macro- and microelements and their influence over the qualitative and quantitative content of the soil microorganisms. The soils from the investigated ecosystems are poorly supplied with total nitrogen. The urbogenic soil is well supplied with absorbable forms of phosphorus and potassium, in contrast to the agrogenic soil, which is slightly supplied with phosphorus and averagely supplied with potassium. As per contetn of organic substance the urban soil is classified as slightly humus, and the one from the agrocenosis as averagely humus. The investigated soils are classified from not contaminated up to slightly contaminated with lead, cadmium, copper, zinc, nickel, manganese and iron. The highest percentage share from the total microflora occupy the bacteria, which are not forming spores, which participate most actively in the processes of self-cleaning of the soils from the investigated pollutants. The specified chemical and microbiological indexes may serve as indicators for passing processes in anthropological soils with low content of heavy metals.
Cuvinte cheie: urbogenic soil, agrogenic soil, macronutrients, heavy metals, microorganisms
Citează acest articol: Pavlina N. Atanasova, Bojka Z. Malcheva, Plamena Y. Panayotova, Dragomir P. Dimitrov. COMPARATIVE EVALUATION BETWEEN URBOCENOSIS AND AGROCENOSIS ON BASIS CHEMICAL AND MICROBIOLOGICAL CHARACTERISTICS OF SOILS. Journal of International Scientific Publications: Ecology & Safety 9, 285-292 (2015). https://www.scientific-publications.net/en/article/1000721/
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