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Эколого-аналитическая оценка обеспеченности почв города Архангельска элементами питания растений

Эколого-аналитическая оценка обеспеченности почв города Архангельска элементами питания растений

Abstract

Проведен сравнительный анализ содержания основных элементов питания растений (азота, фосфора и калия) в различных типах почв основных функциональных зон города Архангельска, подверженных значительному антропогенному воздействию. Дана оценка степени обеспеченности почвенного покрова города этими химическими элементами. Установлено, что городские почвы характеризуются средними значениями содержания биофильных элементов. Но в отличие от условно чистой дерновой почвы пригорода Архангельска, где преобладающим элементом питания растений является азот, во всех типах почв (культуроземах, урбаноземах и реплантоземах) селитебной зоны и торфяных почвах городских лесов лидером по накоплению элементов питания выступает фосфор, при содержании калия нередко ниже, чем в природных почвах. В урбаноземах и реплантоземах промышленной зоны города и дерновых почвах городских лугов преобладающий элемент питания растений − калий, иногда при низком содержании фосфора и минеральных форм азота.

A comparative analysis of the content of the major plant nutrients (nitrogen, phosphorus and kalium) in various types of soil core functional areas of the city of Arkhangelsk subject to significant human impacts. The estimation of the degree of soil cover provision of these chemical elements. It is established that urban soils are characterized by average values ​​biophylic content elements. But unlike the relatively pure turf soil suburb of Archangel, where the predominant element in plant nutrition is the nitrogen in all soil types (kulturozems, urban soils and replantozems) residential areas and peat soils of the urban forest leader for the retention of nutrients acts as phosphorus, kalium content in the often less than in natural soils. In urban soils, and replantozems industrial zone of the city and the urban meadow sod soils the predominant element of the power plant – kalium, sometimes with a low content of phosphorus and mineral forms of nitrogen.

Keywords

БИОФИЛЬНЫЕ ЭЛЕМЕНТЫ, ФУНКЦИОНАЛЬНЫЕ ЗОНЫ ГОРОДА, ОСНОВНЫЕ ТИПЫ ГОРОДСКИХ ПОЧВ, ОБЕСПЕЧЕННОСТЬ ПОЧВ ЭЛЕМЕНТАМИ ПИТАНИЯ РАСТЕНИЙ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
gold