Dung Beetle Improves soil Bacterial Diversity and Enzyme Activity and Enhances Growth and Antioxidant Content of Chinese Cabbage (Brassica rapa ssp. pekinensis)

Dung beetles have been used to enhance soil health and crop growth and yields, but their effects on soil enzymology and microbial diversity are seldom reported. The present work reports on beneficial effects of dung beetles on soil enzyme activity, bacterial diversity and growth and antioxidant cont...

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Veröffentlicht in:Journal of soil science and plant nutrition 2021-12, Vol.21 (4), p.3387-3401
Hauptverfasser: Kaleri, Abdul Rasheed, Ma, Jiahua, Abro, Saeed Akhtar, Faqir, Yahya, Nabi, Farhan, Hakeem, Abdul, Ahmed, Awais, Ahmed, Siraj, Jakhar, Ali Murad, Shah, Sayed Mustajab, Tan, Chengjia, Qing, Yuxin, Raspor, Martin
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container_issue 4
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container_title Journal of soil science and plant nutrition
container_volume 21
creator Kaleri, Abdul Rasheed
Ma, Jiahua
Abro, Saeed Akhtar
Faqir, Yahya
Nabi, Farhan
Hakeem, Abdul
Ahmed, Awais
Ahmed, Siraj
Jakhar, Ali Murad
Shah, Sayed Mustajab
Tan, Chengjia
Qing, Yuxin
Raspor, Martin
description Dung beetles have been used to enhance soil health and crop growth and yields, but their effects on soil enzymology and microbial diversity are seldom reported. The present work reports on beneficial effects of dung beetles on soil enzyme activity, bacterial diversity and growth and antioxidant content of Chinese cabbage ( Brassica rapa ssp. pekinensis ). The soil amended with cow dung only (CD), or with dung broken down by dung beetles (DB), was compared with untreated control (CO). Soil bacterial diversity was determined through 16S rRNA gene sequencing, and enzymological tests were used for soil enzyme activity. Dung beetles significantly increased acid phosphatase, urease, cellulase, catalase and β-glucosidase activities in the soil compared with CD or control. Bacterial alpha-diversity significantly increased in DB when compared with CD or control. Microbial carbon (C) and nitrogen (N) were significantly higher in DB than in CD and in CD than control. The DB and CD treatments also significantly enhanced plant growth and the content of antioxidants (total flavonoids, polyphenols and vitamin C) and phytohormones indole-3-acetic acid (IAA), trans -zeatin riboside (ZR) and gibberellic acid (GA 3 ) compared with control, while a significant reduction was noted in abscisic acid (ABA) in DB compared with CD or control plants. Correlation analysis confirmed that the enzyme activities are pH dependent, as pH was significantly lowered by DB compared with CD or control. Our results suggest that use of dung beetles in conventional practices could be an effective strategy to improve soil nutrient availability and microbial activity and antioxidant content of Chinese cabbage.
doi_str_mv 10.1007/s42729-021-00614-w
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The present work reports on beneficial effects of dung beetles on soil enzyme activity, bacterial diversity and growth and antioxidant content of Chinese cabbage ( Brassica rapa ssp. pekinensis ). The soil amended with cow dung only (CD), or with dung broken down by dung beetles (DB), was compared with untreated control (CO). Soil bacterial diversity was determined through 16S rRNA gene sequencing, and enzymological tests were used for soil enzyme activity. Dung beetles significantly increased acid phosphatase, urease, cellulase, catalase and β-glucosidase activities in the soil compared with CD or control. Bacterial alpha-diversity significantly increased in DB when compared with CD or control. Microbial carbon (C) and nitrogen (N) were significantly higher in DB than in CD and in CD than control. The DB and CD treatments also significantly enhanced plant growth and the content of antioxidants (total flavonoids, polyphenols and vitamin C) and phytohormones indole-3-acetic acid (IAA), trans -zeatin riboside (ZR) and gibberellic acid (GA 3 ) compared with control, while a significant reduction was noted in abscisic acid (ABA) in DB compared with CD or control plants. Correlation analysis confirmed that the enzyme activities are pH dependent, as pH was significantly lowered by DB compared with CD or control. 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The DB and CD treatments also significantly enhanced plant growth and the content of antioxidants (total flavonoids, polyphenols and vitamin C) and phytohormones indole-3-acetic acid (IAA), trans -zeatin riboside (ZR) and gibberellic acid (GA 3 ) compared with control, while a significant reduction was noted in abscisic acid (ABA) in DB compared with CD or control plants. Correlation analysis confirmed that the enzyme activities are pH dependent, as pH was significantly lowered by DB compared with CD or control. Our results suggest that use of dung beetles in conventional practices could be an effective strategy to improve soil nutrient availability and microbial activity and antioxidant content of Chinese cabbage.</description><subject>Abscisic acid</subject><subject>Acetic acid</subject><subject>Acid phosphatase</subject><subject>Agriculture</subject><subject>Antioxidants</subject><subject>Arthropods</subject><subject>Ascorbic acid</subject><subject>Bacteria</subject><subject>Beetles</subject><subject>Biological activity</subject><subject>Biomedical and Life Sciences</subject><subject>Brassica</subject><subject>Brassica oleracea</subject><subject>Brassica rapa</subject><subject>Catalase</subject><subject>Cattle manure</subject><subject>Cellulase</subject><subject>Chinese cabbage</subject><subject>Coleoptera</subject><subject>Correlation analysis</subject><subject>Crop growth</subject><subject>Dung</subject><subject>Ecology</subject><subject>Environment</subject><subject>Enzymatic activity</subject><subject>Enzyme activity</subject><subject>Enzymes</subject><subject>Enzymology</subject><subject>Experiments</subject><subject>Farming</subject><subject>Flavonoids</subject><subject>Gene sequencing</subject><subject>Gibberellic acid</subject><subject>Glucosidase</subject><subject>Indoleacetic acid</subject><subject>Life Sciences</subject><subject>Microbial activity</subject><subject>Microorganisms</subject><subject>Nutrient availability</subject><subject>Nutrient content</subject><subject>Nutrients</subject><subject>Organic farming</subject><subject>Original Paper</subject><subject>Plant growth</subject><subject>Plant hormones</subject><subject>Plant Sciences</subject><subject>Polyphenols</subject><subject>rRNA 16S</subject><subject>Soil improvement</subject><subject>Soil microorganisms</subject><subject>Soil nutrients</subject><subject>Soil Science &amp; 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The DB and CD treatments also significantly enhanced plant growth and the content of antioxidants (total flavonoids, polyphenols and vitamin C) and phytohormones indole-3-acetic acid (IAA), trans -zeatin riboside (ZR) and gibberellic acid (GA 3 ) compared with control, while a significant reduction was noted in abscisic acid (ABA) in DB compared with CD or control plants. Correlation analysis confirmed that the enzyme activities are pH dependent, as pH was significantly lowered by DB compared with CD or control. Our results suggest that use of dung beetles in conventional practices could be an effective strategy to improve soil nutrient availability and microbial activity and antioxidant content of Chinese cabbage.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s42729-021-00614-w</doi><tpages>15</tpages></addata></record>
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subjects Abscisic acid
Acetic acid
Acid phosphatase
Agriculture
Antioxidants
Arthropods
Ascorbic acid
Bacteria
Beetles
Biological activity
Biomedical and Life Sciences
Brassica
Brassica oleracea
Brassica rapa
Catalase
Cattle manure
Cellulase
Chinese cabbage
Coleoptera
Correlation analysis
Crop growth
Dung
Ecology
Environment
Enzymatic activity
Enzyme activity
Enzymes
Enzymology
Experiments
Farming
Flavonoids
Gene sequencing
Gibberellic acid
Glucosidase
Indoleacetic acid
Life Sciences
Microbial activity
Microorganisms
Nutrient availability
Nutrient content
Nutrients
Organic farming
Original Paper
Plant growth
Plant hormones
Plant Sciences
Polyphenols
rRNA 16S
Soil improvement
Soil microorganisms
Soil nutrients
Soil Science & Conservation
Soils
Urease
Zeatin
Zeatin riboside
β-Glucosidase
title Dung Beetle Improves soil Bacterial Diversity and Enzyme Activity and Enhances Growth and Antioxidant Content of Chinese Cabbage (Brassica rapa ssp. pekinensis)
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