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Effects of Doubled CO2 and Enhanced UV-B Radiation on Rhizosphere Ammonia-oxidizing Bacteria and Soil Enzymes in Soybean(Glycine max Merr.）(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年01期
Page:
69-72
Research Field:
Publishing date:

Info

Title:
Effects of Doubled CO2 and Enhanced UV-B Radiation on Rhizosphere Ammonia-oxidizing Bacteria and Soil Enzymes in Soybean(Glycine max Merr.）
Author(s):
L Zhi-wei; WAN Guo-feng; ZHANG Peng; ZHANG Si-liang; GUO-Yan; ZHANG Wen-hui
School of Life Sciences，Liaocheng University，Liaocheng 252059，Shandong，China
Keywords:
Carbon dioxide; UV-B; Soybeans; Soil enzyme; Ammonia-oxidizing bacteria
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.01.015
Abstract:
The increase of atmospheric CO2 concentration and ultraviolet-B radiation(UV-B)significantly affect crops growth，development and physiological processes.In this study，the soil enzyme activities and amount of soybean rhizosphere ammonia-oxidizing bacteria were analyzed under the condition of doubled CO2 concentration and enhanced UV-B irradiation.Related experiments were imitated in artificial climate room using super-nodulating mutant 0498 and not nodulated soybean mutant 0701 as materials.The results showed that，the amounts of soybean rhizosphere ammonia-oxidizing bacteria activities of soil urease，invertase，acid phosphatase and alkaline phosphatase of doubled CO2were enhanced compared with CK;the influence on 0701 was more significant.UV-B had no effect on amounts of soybean rhizosphere ammonia-oxidizing bacteria and reduced soil enzymes activities.The existence of super nodule could lessen the influence of CO2 concentration and UV-B irradiation on soybean rhizosphere ammonia-oxidizing bacteria and soil enzyme activities.

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Last Update: 2014-08-15