GE Hong-lian,ZHANG Fu-li.Effect of Sewage Irrigation on Some Physiological-biochemical Characteristics of Soybean(Glycine max)Seedling and Microbial Functional Groups in Soybean Rhizosphere Soil[J].Soybean Science,2013,32(02):216-219.[doi:10.3969/j.issn.1000-9841.2013.02.017]
污水灌溉对大豆幼苗生理生化特性和根际微生物功能类群的影响
- Title:
- Effect of Sewage Irrigation on Some Physiological-biochemical Characteristics of Soybean(Glycine max)Seedling and Microbial Functional Groups in Soybean Rhizosphere Soil
- Keywords:
- Sewage irrigation; Glycine max; Physiological-biochemical characteristics; Microbial functional groups
- 文献标志码:
- A
- 摘要:
- 为更加科学合理地利用污水灌溉农田，分别以100%、50%、33.3%和25%的污水及全清水（CK）浇灌盆栽大豆，研究不同浓度的污水浇灌对大豆幼苗生理生化特性及根际微生物生理类群的影响。结果显示：低浓度的污水可增加叶绿素含量，激活SOD、CAT活性，促进硝化细菌、固氮菌和纤维素分解菌的生长，抑制反硝化细菌和氨化细菌的生长；高浓度污水可显著降低叶绿素含量和SOD、CAT活性，抑制硝化细菌、固氮菌和纤维素分解菌的生长，刺激反硝化细菌和氨化细菌的生长繁殖，促进MDA的积累和膜透性增加。多项指标以污水浓度为33.3%~50.0%时的增效作用最为明显。
- Abstract:
- In order to use sewage to irrigate the farmland more scientifically and rationally,sewage from Shaying river was used to irrigate potted soybean with concentration of sewage at 100%，50%，33.3% and 25% respectively.The effects of different diluted sewage irrigation on some physiobiochemical characteristics of soybean seedling and microbes in soybean rhizosphere soil were studied.The results showed that the low concentration treatment of sewage could increase the contents of chlorophyll of soybean and activities of SOD and CAT,and promote the growth of nitrifying bacteria,nitrogenfixing bacteria and cellulose decomposing bacteria,while inhibit denitrifying bacteria and ammonifying bacteria.Sewage with higher concentration could decrease chlorophyll content and SOD,CAT activities,and inhibit the growth of nitrifying bacteria,nitrogen-fixing bacteria and cellulose decomposing bacteria,while stimulate the growth and propagation of denitrifying bacteria and ammonifying bacteria,and promote the accumulation of MDA and permeability of cytoplasm membrane.The promotion effect of sewage was obvious at concentration of 33.3%-50.0%.
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备注/Memo
?河南省教育厅自然科学基金项目（2008A180037）。