|Table of Contents|

ommunity Structure of Soil Nematodes in Soybean Fields under Different Rotation Systems(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年01期
Page:
118-123
Research Field:
Publishing date:

Info

Title:
ommunity Structure of Soil Nematodes in Soybean Fields under Different Rotation Systems
Author(s):
HAN Xin-hua12 XU Yan-li12 PAN Feng-juan12and LI Chun-jie1
1Northeast Institute of Geography and Agroecology,Chinese Academy of Sciences,Harbin 150081,Heilongjiang;
2Graduate School of the Chinese Academy of Sciences,Beijing 100049,China
Keywords:
Soil nematodeSoybeanRotation systemCommunity structure
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2008.01.0118
Abstract:
Soil nematodes are numerous,species-rich and widely distribute,which play essential roles in soil organic matter decomposition,plant nutrient mineralization and nutrient circulation.More and more scholars pay attention to the important function of soil nematodes in agroecosystem.The study was conducted in the soybean field under continuous cropping (CS,15a),wheat-soybean-wheat-soybean (WSWS,15a) and wheat-maize-soybean (WMS,15a) rotation systems in Hailun Agricultural Ecology Experimental Station so as to elucidate the character of nematode distribution and dynamic change of nematode community.Totally 8 order,19 family and 43 genera nematodes were identified in soybean field and 29 genera nematodes were shared by each treatments,other 14 genera were different among samples in that their distribution were affected by the crops stubbles and soil environment.Total number of soil nematodes was exhibited low to high to low trend in CS and continous higher in WSWS and WMS at the sample stages.The number of Ditylenchus,Acrobeloides,Mesorhabditis,Protorhabditis,Panagrolaimus,Filenchus and Coslenchus was different among soybean rotation systems.

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Last Update: 2014-10-09