|Table of Contents|

Effects of Crop Stubbles on Alleviating the Damages by Continuous Cropping Soybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年01期
Page:
68-71,76
Research Field:
Publishing date:

Info

Title:
Effects of Crop Stubbles on Alleviating the Damages by Continuous Cropping Soybean
Author(s):
XUE Qing-xi
College of Agricultural Resources and Environment Science，Heilongjiang University，Harbin 150080，Heilongjiang，China
Keywords:
Soybean; Soybean continuous cropping; Alfalfa stubble; Maize stubble.
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2010.01.0068
Abstract:
Study on crop stubbles to alleviate the damages by continuous cropping soybean was conducted in Longzhen Farm in 2004 and 2005.The experiment was carried out by completely random design with 3 replications.Three treatment of soybean continuous cropping for 2 and 3 years in alfalfa(SCCA)，in maize(SCCM)and in soybean stubble(SCCS)were adopted respectively in 2004 and 2005，and each treatment consisted of 5 rows with 10 m length and 65 cm width.The result showed that seed yield of SCCA for 2 and 3 years increased 8.4% and 6.6% than that of SCCM respectively，significantly increased 26.7% and 27.5% than that of SCCS respectively；seed yield of SCCM for 2 and 3 years significantly increased 16.9% and 19.6% than that of SCCS respectively.Compared with SCCS for 3 years，plant height of SCCA and SCCM significantly increased 19.5 cm and 13.8 cm，respectively；seed weight per plant of SCCA significantly increased 3.6 g and 4.3 g than that of SCCM and SCCS，respectively，for rates of seeds bitten by insects and the infected seed rate，no significant difference was found among the three treatments.Compared with SCCS for 4 years，plant height of SCCA and SCCM significantly increased 23.7 cm and 17.1 cm，respectively;plant height of SCCA significantly increased 6.6 cm than that of SCCM；seed weight per plant of SCCA significantly increased 2.1 g and 7.8 g than that of SCCM and SCCS；there was no significant difference among the three treatments for the rates of seeds bitten by insects and the infected seed rate as well.Results indicated that alfalfa stubble was superior to maize stubble and soybean stubble in reducing the seed yield loss caused by continuous cropping soybean.

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Last Update: 2014-09-13