春油菜种植过程中锌、镍污染的白质苯丙醇呼吸活性评价

Q4 Biochemistry, Genetics and Molecular Biology Ratarstvo i Povrtarstvo Pub Date : 2020-01-01 DOI:10.5937/ratpov57-27018
M. Samardzic, V. I. Andreeva, Z. Galic, J. Vasin
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引用次数: 0

摘要

在俄罗斯联邦几乎所有工业发达地区,土壤都受到重金属污染,其浓度往往超过安全限度。这种污染导致农业用地退化,这强调了在自然过程背景下对城市生态系统持续变化动态进行复杂持续监测的重要性。根据土壤状况的生物指标对土壤的环境可持续性进行定量评价是非常重要的,特别是在不同程度的人为压力下土壤微生物碳的平衡。通过试验研究了油菜对重金属污染土壤的修复潜力。本研究的目的是在春菜籽植物生长试验的条件下,评估不同程度的锌和镍污染下的白脂陆维醇的呼吸活性。在400 ~ 800 mg kg-1和30 ~ 60 mg kg-1剂量范围内对土壤进行人工锌和镍污染后,土壤呼吸活性的实验数据表明,土壤微生物活性与容器内春菜籽植物的存在呈强正相关,与土壤中有毒元素的存在呈弱相关。根据白脂luvisol的呼吸活性,发现在植被生长的前13天,种植春油菜对土壤微生物群落对锌镍复合污染的可持续性有积极的影响。
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Evaluation of respiratory activity of albic luvisol contaminated by zinc and nickel during spring rapeseed cultivation
In almost all industrially developed regions of the Russian Federation, the soil is contaminated with heavy metals (HM) often in concentrations which exceed limits of safety. This contamination causes degradation of agricultural land, which underlines the importance of the complex continuous monitoring of the dynamics of on-going changes in urban ecosystems against the background of natural processes. Quantitative assessment of the environmental sustainability of the soil according to the biological indicators of its condition is of enormous importance, in particular the balance of microbial carbon in soils, which are under varying degrees of anthropogenic pressure. Experiments were carried out to determine the phytoremediation potential of the spring rapeseed plants on soil contaminated with heavy metals. The aim of the study was to assess the respiratory activity of albic luvisol at different levels of its contamination with zinc and nickel under the conditions of a growing experiment with spring rapeseed plants. The experimental data on the respiratory activity of soil artificially contaminated with zinc and nickel in the dose range of 400-800 and 30-60 mg kg-1 of soil respectively, showed that microbial activity had a strong positive correlation with the presence of spring rapeseed plants in the vessels and weak correlation on the presence of toxic elements in the soil. According to the respiratory activity of albic luvisol, it was found that in the first 13 days of vegetation, cultivation of spring rapeseed plants had a positive effect on the sustainability of soil microbiocenosis to complex pollution with zinc and nickel.
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来源期刊
Ratarstvo i Povrtarstvo
Ratarstvo i Povrtarstvo Agricultural and Biological Sciences-Soil Science
CiteScore
0.80
自引率
0.00%
发文量
4
审稿时长
4 weeks
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