[1]韩晓增　许艳丽.大豆连作减产主要障碍因素的研究Ⅱ .连作大豆土壤有害生物的障碍效应[J].大豆科学,1999,18(01):47-51.[doi:10.11861/j.issn.1000-9841.1999.01.0047]
　Han XiaozengXu Yanli.A STUDY OF MAIN FACTORS CAUSING YIELD DECREASE OFCONTINUOUS CROPPING SOYBEANⅡ . Effect s of Harmful Org anisms in Soi l o n Co ntinuous Cropping So ybean[J].Soybean Science,1999,18(01):47-51.[doi:10.11861/j.issn.1000-9841.1999.01.0047]
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大豆连作减产主要障碍因素的研究Ⅱ .连作大豆土壤有害生物的障碍效应

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第18卷 期数: 1999年01期 页码: 47-51 栏目: 出版日期: 1999-02-25
Title:
A STUDY OF MAIN FACTORS CAUSING YIELD DECREASE OFCONTINUOUS CROPPING SOYBEANⅡ . Effect s of Harmful Org anisms in Soi l o n Co ntinuous Cropping So ybean
作者:
韩晓增　许艳丽
中国科学院黑龙江农业现代化研究所　哈尔滨150040
Author(s):
Han Xiaozeng　Xu Yanli
Heilongjiang Institute of Agricul tural Modernization ChineseAcademy of Sciences, Harbin 150040
关键词:
大豆连作;  土壤;  有害生物;  障碍
Keywords:
Continuous cropping soy bean;  Soil;  Harmful o rganisms;  Ef fects
DOI:
10.11861/j.issn.1000-9841.1999.01.0047
文献标志码:
A
摘要:
在田间条件下对土壤进行灭菌,施肥和灌水试验,其结果表明: 土壤中所存在的以大豆生长为最佳生存条件的有害生物,对大豆生长发育有重大不良影响,连作较非连作土壤生长的大豆生物量减少了7. 26% - 14. 52% , 株高降低了11. 6% - 17.26% ,茎粗减少了14. 63% - 21. 95% ,叶面积减少了10. 42% - 18. 70% ,最终导致收获期减产12. 19% - 14. 59% ,用一个大气压湿热灭菌法对大豆连作土壤进行灭菌后,生育期的各项指标和收获期产量都和非连作土壤相一致,差异不显著。大豆病虫害是土壤有害生物主要表现形式。肥水不能直接消除有害生物的障碍效应,但可使连作大豆相对生长健壮,能抵御有害生物的危害,降低了减产幅度。
Abstract:
The soil fo r field t rial w as di sinfected, fertili zed and i rrig ated in thi s study. The result shows that , th e harmful o rgani sms related to soy bean o ptimum g row th soi l affectthe dev elopment o f continuous cropping soybean g reatly; Compared wi th cont ro l, thesoybean biomass reduces 7. 2% - 14. 52% , plant height go es dow n 11. 6% - 17. 26% ,stem thickness decreases 14. 63% - 21. 95% , LA declines 10. 42% - 18. 67% , and final lyield falls 12. 19% - 14. 59% . By using steaming disinfectio n to the soil of continuo uscropping so ybean, there are no sig nificant di fferences o n dev elopment and final yield between t reatments and cont rol. Soy bean pest s and diseases are ref lected by harmful o rganisms in soi l. Ferti li zer and w ater ca n no t ki ll ha rmful org anisms in soi l, but canmake soy bean plant st rong er and stabli ze final yield.

参考文献/References:

[1 ]　许艳丽等, 1997, 连作大豆生物障碍研究,中国油料, 19( 3): 46- 48

[2 ]　韩晓增等, 1996, 重迎茬大豆营养失调原因及其调控技术的研究, 农业现代化研究, 17( 5): 302- 307
[3 ]　韩晓增等, 1998, 连作大豆根系腐解物的障碍效应,大豆科学, 17( 3): 207- 212

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更新日期/Last Update: 2016-12-26