|Table of Contents|

Vertical Distribution of Nematodes in Soybean Field in Black Soil Region(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年02期
Page:
292-295
Research Field:
Publishing date:

Info

Title:
Vertical Distribution of Nematodes in Soybean Field in Black Soil Region
Author(s):
HAN Xin-hua1; 2; XU Yan-li1; PAN Feng-juan1; 2; and Li Chun-jie1
1 Northeast Institute of Geography and Agroecology，Chinese Academy of Sciences，Harbin 150081，Heilongjiang；
2Graduate School of the Chinese Academy of Sciences，Beijing 100049，China
Keywords:
Soybean; Soil nematode; Rotation system; Vertical distribution
PACS:
S435.651
DOI:
10.11861/j.issn.1000-9841.2008.02.0292
Abstract:
In order to understand the effect of different land use on soil nematodes vertical distribution，a field investigation was conducted at the Hailun Agricultural Ecology Experimental Station to study the vertical distribution of nematode communities down to a depth of 80 cm under soybean rotation systems of continuous soybean 15a(CS)，wheat-maize-soybean(WMS)，wheat-soybean- wheat-soybean（WSWS) and bare field.The results showed that the number of total soil nematodes exhibited a gradual decrease trend with depth under each samples.The majority of nematodes were present in the 0~30 cm soil layers.The numbers of trophic groups in soybean field were higher than that in bare field，and predators-omnivores were less present.

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Last Update: 2014-10-10