|Table of Contents|

E ffects of Sod-culture on Soil Nutrients,Microorganisms and  Enzyme Activities in Rosa roxburghii Tratt.Orchard

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2018年06
Page:
96-101
Research Field:
Publishing date:

Info

Title:
E ffects of Sod-culture on Soil Nutrients,Microorganisms and  Enzyme Activities in Rosa roxburghii Tratt.Orchard
Author(s):
XIANG Yangzhou1; LIU Ying2; HE Ji3; LIU Xiao1; XU Hai1; GUO Ying1
(1.Guizhou Institute of Forest Inventory and Planning,Guiyang,Guizhou 550003;2.Guiyang College of Traditional Chinese Medicine,Guiyang,Guizhou 550002;3.Agricultural College,Guizhou University,Guiyang,Guizhou 550025)
Keywords:
Rosa roxburghii; sod-culture; soil nutrients; soil microorganisms; soil enzyme activity
PACS:
-
DOI:
10.11937/bfyy.20173338
Abstract:
The objective of this study was to test the effects of sod-culture on soil nutrients,microorganisms,enzyme activities and relationships among them in Rosa roxburghii Tratt.orchards.Soil was sampled at depth of 0-40 cm in clean tillage(as control),native grass and Lolium perenne-intercropping orchards.Soil pH,organic matter,total nitrogen,total phosphorus,total potassium,available nitrogen,available phosphorus,available potassium,bacteria,fungi,actinomyces,total microorganisms,the activities of urease,invertase,acid phosphatase and catalase in the Rosa roxburghii orchard soil were measured.The results showed that compared with clean tillage,soil pH and nutrients were improved in two sod-culture treatments.Lolium perenne-intercropping enhanced soil organic matter,total phosphorus,total potassium,available nitrogen as compared with native grass treatment,but soil available potassium in the latter was significantly higher than that in the former.Soil bacteria,fungi,actinomyces,total microorganisms in two sod-cultures greatly increased as compared with control.Among three models,four kinds of soil enzyme activities in two sod-cultures and it was worth noting that Lolium perenne-intercropping was the best in improving the activities of urease,invertase and catalase.Correlation analysis showed that there were significant positive correlations between soil microorganisms and soil organic matter,total nitrogen,total potassium,available nitrogen (P<0.01 or P<0.05).Moreover,four types of soil enzyme activities were positively correlated with several nutrients indexes such as organic matter,total nitrogen,total phosphorus and available phosphorus (P<0.01 or P<0.05).Finally,correlation analysis showed that all soil enzyme activities were positively correlated to all soil microorganisms (P<0.01 or P<0.05).Overall,the results indicated that sod-culture enhanced soil fertility in Rosa roxburghii orchard.

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Last Update: 2018-03-30