|Table of Contents|

Vertical Distribution Characteristics and Correlation Analysis of Soil Calcium in Changchun Urban Park Lawn

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年01
Page:
75-82
Research Field:
Publishing date:

Info

Title:
Vertical Distribution Characteristics and Correlation Analysis of Soil Calcium in Changchun Urban Park Lawn
Author(s):
LIU QianHAN JiafengQIN HongyiHUANG Zizhen
(College of Landscape Architecture,Changchun University,Changchun,Jilin 130000)
Keywords:
soil calciumcalcium carbonateexchangeable calciumacid-soluble calciumspatial distribution
PACS:
-
DOI:
10.11937/bfyy.20191674
Abstract:
Park green space is an important part of urban green space.In order to study the distribution characteristics of soil calcium in park lawn,taking the soil of city park lawn as the research object,the total calcium,exchange calcium,acid-soluble calcium,organic matter content,soil pH of 7 park lawn soils in the research area were determined,and the vertical distribution characteristics and correlation of calcium in the soil of urban park lawn were analyzed.The results showed that,1) The content of total calcium,exchange calcium and acid soluble calcium in the soil of urban park lawn was increasing with the deepening of soil layer.2) Soil total calcium was significantly correlated with soil exchange calcium and acid-soluble calcium in each soil layer(P<0.05).3) The pH of soil layer was gradually decreasing along with the deepening of soil layer,and the content of soil calcium,acid-soluble calcium,and exchangeable calcium was negatively related.4) The content of soil organic matter was gradually reduced along with the deepening of soil layer,and was positively related to the content of soil calcium,acid-soluble calcium,and exchangeable calcium.By analyzing the soil development and fertility of urban park lawn,we could reveal the distribution characteristics of soil calcium content in urban park lawn,thus providing reference for the protection of natural green space and the management of artificial green space.

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Last Update: 2020-01-14