人工重金属污染废水灌溉烟叶和矮牵牛时土壤改良剂对土壤酶谱的影响

IF 0.6 4区 综合性期刊 Q3 MULTIDISCIPLINARY SCIENCES
Aqib Hassan Ali Khan, Syedah Zoya Kazmi, C. R. Mirza, T. Butt, Nida Gul, R. Barros, S. Yousaf, M. Iqbal
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引用次数: 0

摘要

土壤酶催化养分循环和有机质分解。在盆栽种植烟叶和矮牛的情况下,研究了堆肥(C)、苔藓(M)和生物炭(B)改良土壤和重金属污染废水(HM-CW)灌溉土壤中过氧化氢酶、脱氢酶、碱性磷酸酶和脲酶的酶活性。灌水后土壤酶活性降低。5% M+C+B配施可提高土壤酶活性。在M+C+B处理下,alata和P. hybrida过氧化氢酶活性分别为222.03±9.24和402.34±10.48 mg KMnO4 g-1土壤h-1,比未处理提高了94%。同样,M+C+B处理也表现出较高的脱氢酶活性,分别为180.24±6.95和156.79±8.31 μg TPF g-1土壤h-1,比未处理分别高73%和49%。M+C+B处理的白杨碱性磷酸酶产量(对硝基酚g-1土壤h-1)为40.10±1.92,C+B处理为38.41±2.00,而M+C+B处理的白杨碱性磷酸酶产量为39.33±2.05,显著高于未处理。M+C+B处理下杂花草土壤脲酶活性为83.22±5.54 mg尿素g-1土壤h-1,显著高于白杨。总的来说,随着土壤改良剂的增加,草甘膦和杂交草在土壤中的酶活性增强。结果表明,这些有机改良剂单独施用或与草芥或杂交草联合施用,可能是通过影响土壤养分动态来提高酶活性的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of Soil Amendments on the Enzymatic Profile of Soil when Nicotiana alata L. and Petunia hybrida L. were Irrigated with Synthetic Heavy Metal-contaminated Wastewater
T he nutrient cycle and organic matter decomposition are catalyzed by soil enzymes. In this study, enzymatic activities of catalase, dehydrogenase, alkaline phosphatase, and urease are studied in soils amended with compost (C), moss (M), or biochar (B) and irrigated with heavy metal-contaminated wastewater (HM-CW), when Nicotiana alata L. and Petunia hybrida L. was grown in pots. The irrigation of HM-CW reduced the soil enzyme activities. However, combined used of 5% M+C+B, results in the improved soil enzyme activities. In case of N. alata and P. hybrida, catalase activity was 222.03 ± 9.24 and 402.34 ± 10.48 mg KMnO4 g-1 soil h-1, respectively, with M+C+B, which was up to 94% higher than non-amended treatment. Similarly, the M+C+B treatment also showed higher activity for dehydrogenase i.e., 180.24 ± 6.95, and 156.79 ± 8.31 μg TPF g-1 soil h-1 for N. alata and P. hybrida, respectively, that were 73% and 49% higher than non-amended treatment. Alkaline phosphatase production (μg p-nitrophenol g-1 soil h-1) for N. alata with M+C+B was 40.10 ± 1.92 and with C+B was 38.41 ± 2.00, while for P. hybrida with M+C+B was 39.33 ± 2.05, which is significantly higher as compared with the non-amended treatment. Urease activity at M+C+B application in soil with P. hybrida was 83.22 ± 5.54 mg urea g-1 soil h-1, which was much higher than that of N. alata. In general enzyme activity enhanced in the soil with N. alata or P. hybrida along with soil amendments. It shows that application of these organic amendments individually or in combination with N. alata or P. hybrida increased enzyme activities possibly through affecting soil nutrient dynamics.
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来源期刊
Chiang Mai Journal of Science
Chiang Mai Journal of Science MULTIDISCIPLINARY SCIENCES-
CiteScore
1.00
自引率
25.00%
发文量
103
审稿时长
3 months
期刊介绍: The Chiang Mai Journal of Science is an international English language peer-reviewed journal which is published in open access electronic format 6 times a year in January, March, May, July, September and November by the Faculty of Science, Chiang Mai University. Manuscripts in most areas of science are welcomed except in areas such as agriculture, engineering and medical science which are outside the scope of the Journal. Currently, we focus on manuscripts in biology, chemistry, physics, materials science and environmental science. Papers in mathematics statistics and computer science are also included but should be of an applied nature rather than purely theoretical. Manuscripts describing experiments on humans or animals are required to provide proof that all experiments have been carried out according to the ethical regulations of the respective institutional and/or governmental authorities and this should be clearly stated in the manuscript itself. The Editor reserves the right to reject manuscripts that fail to do so.
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