|Table of Contents|

Effects of Long-term Turning Dry Land Into Paddy Field on Microbial Groups and Enzyme Activities in Black Soil

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年04
Page:
127-132
Research Field:
Publishing date:

Info

Title:
Effects of Long-term Turning Dry Land Into Paddy Field on Microbial Groups and Enzyme Activities in Black Soil
Author(s):
DU Chunmei1; 2; DONG Xiwen1; 2; WU Yude1; 2; JING Guiyun1; ZHANG Haijun1; CHEN Qi1
1.College of Life Science,Jiamusi University,Jiamusi,Heilongjiang 154007；2.Institute of Applied Microbiology,Jiamusi University,Jiamusi,Heilongjiang 154007
Keywords:
black soil; dry land; paddy field; microbe groups; enzyme activity
PACS:
-
DOI:
10.11937/bfyy.20173235
Abstract:
In order to explore the effects of transforming dry land into paddy field on microbe groups and soil enzyme activities in the black soil.Black soil samples of transforming dry land into paddy field in Jiamusi area were collected as objects of study.The number of main microbe groups and the enzyme activities of black soil were analyzed using the methods of plate colony count and the enzyme assay.The results showed that bacterial population increased significantly and then reduced gradually with the increase of years of transforming dry land into paddy field.The populations of actinomyces and fungi reduced significantly and then increased.The change of protease activity was not significant.The activities of urease,alkaline phosphatase,amylase,invertase and polyphenol oxidase were increased significantly after a decreasing process.The activity of catalase was increased significantly.Correlation analysis showed that enzyme activities in black soil were closely related to three kinds of main microbe population,and there were also correlations among different soil enzyme activities.

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Last Update: 2018-02-24