XUE Qing-xi,HUAN Li-hai,et al.Effects of Different Crop Stubbles on Grain Yield and Agronomic Characters of Soybean Continuous Cropping[J].HEILONGJIANG AGRICULTURAL SCIENCES,2006,(06):20-22.[doi:10.11942/j.issn1002-2767.2006.06.0020]
不同作物茬口对重茬和连作大豆产量及农艺性状的影响
- Title:
- Effects of Different Crop Stubbles on Grain Yield and Agronomic Characters of Soybean Continuous Cropping
- 文章编号:
- 1002 -2767(2006)06 -0020 -03
- Keywords:
- yields ; soybean continuous cropping ; alfalfa stubble ; maize stubble
- 分类号:
- S565 .1
- 文献标志码:
- A
- 摘要:
- 2004 年在沈阳军区直属农场局龙镇第一副食品生产基地开展了作物茬口对重茬和连作大豆产量及农艺性状影响的研究。试验结果表明:在苜蓿茬和玉米茬上重茬2 年大豆的产量和3 年连作大豆产量分别为2 359 .5 、2 247 .0 和2 052 .0 kg/hm2 ;以苜蓿茬上重茬大豆产量为最高, 分别比玉米茬上重茬大豆产量高112 .5 kg/hm2 、增产5 .0 %、差异不显著, 比3 年连作大豆产量高307 .5kg/hm2 、显著增产14 .99 %;玉米茬上重茬大豆产量比3 年连作大豆产量高195 .0 kg/hm2 、增产9 .5 %、差异不显著。
- Abstract:
- The effect s of dif ferent crop stubbles on grain y ield and ag ronomic characters of soybeancontinuous cropping w as studied in the Lo ng zhen Farm o f Farm Bureau Di rect ly Unde r Sheny angMilitary A rea in 2004 .The result s show ed that the soy bean grain yield of soybean continuo uscro pping for 2 years in alfalfa stubble , that for 2 y ears in maize stubble and that fo r 2 years insoy bean stubble w ere 2 359 .5 , 2 247 .0 and 2 052 .0 kg/hm2 , respectively .T he g rain y ield of soybeancontinuous cropping for 2 years in alfalfa stubble was mo re than 112 .5 kg/ hm2 , an insig nificantincrease o f 5 % than that of soy bean continuous cropping fo r 2 y ears in maize stubble , andmo re than 307 .5 kg/hm2 , a sig nif icant increase o f 14 .99 % than that of soy bean continuous croppingfor 2 y ea rs in soybean stubble .The grain yields of soy bean continuo us cropping fo r 2 y ear sin maize stubble w as mo re than 195 .0 kg/hm2 , an insignificant increase of 9 .5 %than that of soy-bean continuous cropping fo r 2 years in soy bean stubble .
参考文献/References:
[ 1]刘忠堂, 于龙生.重迎茬对大豆产量与品质影响的研究[ J] .大豆科学, 2000 ,(3):36-34.
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备注/Memo
收稿日期:2006 -07 -29