|Table of Contents|

Effects of Different Farmland Use Patterns on Soil Enzymes Activities and  Soil Microorganisms in Sloped Farmland on Riverbank Slopes(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年11期
Page:
175-181
Research Field:
Publishing date:

Info

Title:
Effects of Different Farmland Use Patterns on Soil Enzymes Activities and  Soil Microorganisms in Sloped Farmland on Riverbank Slopes
Author(s):
LEI Ming; LI Chang-xiao; MA Peng; MA Jun
Key Laboratory for the Eco-Environment of the Three Gorges Reservoir Region of the Ministry of Education,College of Life Sciences,Southwest University,Chongqing 400715
Keywords:
Three Gorges Reservoir Region; soil microbial; soil enzyme; soil chemical properties
PACS:
S 718.5
DOI:
-
Abstract:
The soil microbial,enzyme activities and chemical properties were studied in four different farmland use types（citrus field,corn field,strictosidine field,abandoned farmland）on riverbank slopes of the Three Gorges Reservoir Regior.The results showed that the content of total potassium,total nitrogen,available phosphorus and organic matter had no significant difference among soil layers.In addition,the content of total nitrogen,available phosphorus and organic matter also had no significant difference among all the farmland use types.In 0~20 cm soil layer,the content of available nitrogen,total phosphorus,available potassium and pH value had significant difference among all farmland use types,and also between 0~20 cm soil layer and 20~60 cm soil layer.The quantity of bacterial,fungi and actinomycetes was not decreased with soil depth,but also among all farmland use types of the same layer.There was a significant difference with the activity of soil catalase,urease,protease and phosphatase among different soil layers,except invertase.But,in 0~40 cm soil layer,the activity of protease didn’t show a significant difference among all farmland use types,but had big difference of other soil enzymes.The quantity of soil microbial,activity of five major soil enzymes and soil chemical properties interacted closely.

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Last Update: 2014-08-19