The effect of acidity on the distribution and symbiotic efficiency of rhizobia in Lithuanian soils |
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Authors: | E B Lapinskas |
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Institution: | (1) Lithuanian Institute of Agriculture, Vezaiciai Branch, str. Gargzdu 29, Vezaiciai, Klaipeda district, 96216, Lithuania |
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Abstract: | The distribution and symbiotic efficiency of nodule bacteria Rhizobium leguminosarum_bv. trifolii F., Sinorhizobium meliloti D., Rhizobium galegae L., and Rhizobium leguminosarum bv. viciae F. in Lithuanian soils as dependent on the soil acidity were studied in the long-term field, pot, and laboratory experiments. The critical and optimal pH values controlling the distribution of rhizobia and the symbiotic nitrogen fixation were determined for every bacterial species. The relationship was found between the soil pH and the nitrogen-fixing capacity of rhizobia. A positive effect of liming of acid soils in combination with inoculation of legumes on the efficiency of symbiotic nitrogen fixation was demonstrated. |
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