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首页> 外文期刊>Soil Biology & Biochemistry >Growth promotion of plants by plant growth-promoting rhizobacteria under greenhouse and two different field soil conditions.
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Growth promotion of plants by plant growth-promoting rhizobacteria under greenhouse and two different field soil conditions.

机译：在温室和两种不同田间土壤条件下，通过促进植物生长的根际细菌促进植物的生长。

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This study was conducted with sugar beet in greenhouse and field at two soil type with different organic matter (containing 2.4 and 15.9% OM, referred as the low- and high-OM soil) conditions in order to investigate seed inoculation of sugar beet, with five N2-fixing and two phosphate solubilizing bacteria in comparison to control and mineral fertilizers (N and P) application. Three bacterial strains dissolved P; all bacterial strains fixed N2 and significantly increased growth of sugar beet. In the greenhouse, inoculations with PGPR increased sugar beet root weight by 2.8-46.7% depending on the species. Leaf, root and sugar yield were increased by the bacterial inoculation by 15.5-20.8, 12.3-16.1, and 9.8-14.7%, respectively, in the experiment of low- and high-OM soil. Plant growth responses were variable and dependent on the inoculants strain, soil organic matter content, growing stage, harvest date and growth parameter evaluated. The effect of PGPR was greater at early growth stages than at the later. Effective Bacillus species, such as OSU-142, RC07 and M-13, Paenibacillus polymyxa RC05, Pseudomonas putida RC06 and Rhodobacter capsulatus RC04 may be used in organic and sustainable agriculture..
机译：这项研究是在温室和田间使用甜菜，在两种土壤类型下使用不同的有机质（含2.4和15.9％的OM，分别称为低和高OM土壤）进行的，目的是研究甜菜的种子接种情况。与对照和矿物肥料（氮和磷）的施用相比，具有5种固氮和2种磷酸盐增溶细菌。三种细菌溶解了磷;所有细菌菌株都能固定N2并显着提高甜菜的生长。在温室中，PGPR接种使甜菜根重增加了2.8-46.7％，具体取决于物种。在低OM和高OM土壤条件下，细菌接种分别使叶片，根和糖的产量增加了15.5-20.8、12.3-16.1和9.8-14.7％。植物生长反应是可变的，并且取决于接种物菌株，土壤有机质含量，生长阶段，收获日期和评估的生长参数。 PGPR在早期生长阶段的效果要强于后期。有效的芽孢杆菌种类，例如OSU-142，RC07和M-13，多粘芽孢杆菌RC05，恶臭假单胞菌RC06和荚膜红细菌RC04可用于有机农业和可持续农业。

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