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首页> 外文期刊>International journal of soil science >Growth and Nodulation Response of Soybean ( Glycine max L.) to Lime, Bradyrhizobium japonicum and Nitrogen Fertilizer in Acid Soil at Melko, South Western Ethiopia
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Growth and Nodulation Response of Soybean ( Glycine max L.) to Lime, Bradyrhizobium japonicum and Nitrogen Fertilizer in Acid Soil at Melko, South Western Ethiopia

机译：埃塞俄比亚西南部梅尔科酸性土壤中大豆对石灰，日本根瘤菌和氮肥的生长和结瘤响应

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摘要

The study was conducted to investigate the effect of liming, Bradyrhizobium inoculation and nitrogen fertilization on nodulation and growth response of Clark 63-K soybean variety at Melko, Jimma in 2012 growing season. The crop was evaluated for nodule number, nodule volume, nodule dry weight, pod bearing branch number, shoot dry weight and plant height. The combined effect of liming and Bradyrhizobium inoculation significantly (p<0.05) increased nodule number, nodule volume and nodule weight dry per plant compared to un-limed and non-inoculated treatments. On the other hand, nitrogen fertilization did not improve nodulation parameters of the crop nor its interaction with lime and Bradyrhizobium was significant. Application of lime and nitrogen gave more branch number, shoot dry weight and taller soybeans than non-limed and unfertilized treatment when the crop was grown without inoculation. However, regardless of nitrogen fertilization, only lime significantly (p<0.05) improved those investigated growth parameters when the soybean was grown symbiotically with Bradyrhizobium. In acid soils, co-treatment of Bradyrhizobium japonicum and lime could complement for chemical fertilizer N in soybean production.
机译：这项研究旨在研究在吉马州梅尔科（Melko）2012年生长期中，限制浸种，根瘤菌接种和施氮对Clark 63-K大豆结瘤和生长反应的影响。评价农作物的根瘤数，根瘤体积，根瘤干重，荚果支数，枝干重和株高。与未限制接种和未接种的处理相比，限制接种和根瘤菌接种的联合效果显着（p <0.05）增加了每株植物的根瘤数，根瘤体积和根瘤干重。另一方面，氮肥不能改善作物的结瘤参数，与石灰和缓生根瘤菌的相互作用也不显着。当未接种农作物时，施用石灰和氮肥比未施肥和未施肥的肥料具有更多的分支数，枝干重和更高的大豆。然而，不管氮肥如何施用，当大豆与缓生根瘤菌共生时，只有石灰显着（p <0.05）改善了那些研究的生长参数。在酸性土壤中，日本根瘤菌和石灰的共同处理可以补充大豆生产中的化肥氮。

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