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Effects of tillage practices on soil organic carbon, microbial community and necromass in a double rice cropping system
No-tillage (NT) can enhance the accumulation of soil organic carbon (SOC), thereby aiding in climate change mitigation and improving soil fertility. However, the relations of soil microbial abundance, composition, and necromass to SOC increase under NT are still unclear, limiting the knowledge of SO...
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| Published in: | Applied soil ecology : a section of Agriculture, ecosystems & environment ecosystems & environment, 2024-02, Vol.194, p.105190, Article 105190 |
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| container_title | Applied soil ecology : a section of Agriculture, ecosystems & environment |
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| creator | Qi, Jian-Ying Yao, Xiang-Bin Zhang, Xue-Chan Fan, Mei-Yi Xue, Jian-Fu Cao, Jun-Li Virk, Ahmad Latif Pan, Sheng-Gang Tang, Xiang-Ru |
| description | No-tillage (NT) can enhance the accumulation of soil organic carbon (SOC), thereby aiding in climate change mitigation and improving soil fertility. However, the relations of soil microbial abundance, composition, and necromass to SOC increase under NT are still unclear, limiting the knowledge of SOC stabilization. We performed a 5-year paddy field experiment in southern China including NT, reduced tillage (RT) and conventional tillage (CT). Soil microbial necromass C (MC, including fungal and bacterial necromass C, FC, and BC) were analyzed, as well as soil bacterial and fungal community composition. At a depth of 0–10 cm, NT increased FC (by 48.6 %–50.2 %, P |
| doi_str_mv | 10.1016/j.apsoil.2023.105190 |
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•5-Year no-tillage increased microbial-derived C in paddy soil.•Microbial composition explained 14–73 % of microbial-derived C variation.•The SOC is positively related with fungal and bacterial necromass C.•5-Year no-tillage did not change microbial-derived C/SOC ratio.</description><identifier>ISSN: 0929-1393</identifier><identifier>DOI: 10.1016/j.apsoil.2023.105190</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>algorithms ; Amino sugar ; Carbon neutrality ; Carbon stability ; China ; climate change ; community structure ; Conservation agriculture ; conventional tillage ; field experimentation ; fungal communities ; fungi ; Microbial derived carbon ; Microbial necromass ; necromass ; no-tillage ; paddies ; regression analysis ; rice ; soil ; soil bacteria ; soil ecology ; soil fertility ; soil organic carbon</subject><ispartof>Applied soil ecology : a section of Agriculture, ecosystems & environment, 2024-02, Vol.194, p.105190, Article 105190</ispartof><rights>2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c339t-2f17e62bf154f9b36486401f821ab7055780d8aa70c8ac3050148b5c7d7ecff73</citedby><cites>FETCH-LOGICAL-c339t-2f17e62bf154f9b36486401f821ab7055780d8aa70c8ac3050148b5c7d7ecff73</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail></links><search><creatorcontrib>Qi, Jian-Ying</creatorcontrib><creatorcontrib>Yao, Xiang-Bin</creatorcontrib><creatorcontrib>Zhang, Xue-Chan</creatorcontrib><creatorcontrib>Fan, Mei-Yi</creatorcontrib><creatorcontrib>Xue, Jian-Fu</creatorcontrib><creatorcontrib>Cao, Jun-Li</creatorcontrib><creatorcontrib>Virk, Ahmad Latif</creatorcontrib><creatorcontrib>Pan, Sheng-Gang</creatorcontrib><creatorcontrib>Tang, Xiang-Ru</creatorcontrib><title>Effects of tillage practices on soil organic carbon, microbial community and necromass in a double rice cropping system</title><title>Applied soil ecology : a section of Agriculture, ecosystems & environment</title><description>No-tillage (NT) can enhance the accumulation of soil organic carbon (SOC), thereby aiding in climate change mitigation and improving soil fertility. However, the relations of soil microbial abundance, composition, and necromass to SOC increase under NT are still unclear, limiting the knowledge of SOC stabilization. We performed a 5-year paddy field experiment in southern China including NT, reduced tillage (RT) and conventional tillage (CT). Soil microbial necromass C (MC, including fungal and bacterial necromass C, FC, and BC) were analyzed, as well as soil bacterial and fungal community composition. At a depth of 0–10 cm, NT increased FC (by 48.6 %–50.2 %, P < 0.05), BC (28.6 %–41.7 %), and MC (38.5 %–45.1 %, P < 0.05) but did not significantly alter the FC/BC and MC/SOC ratios. The increase rate of MC (NT vs. CT and RT) was 12.8–16.2 % higher than that of total SOC. Compared with 0–10 cm and 10–20 cm, the MC/SOC ratio was 12.5 %–14.1 % lower at 20–30 cm. Linear regression indicated significant positive correlations of SOC with MC, BC, and FC, whereas no significant correlation was found between bacterial (or fungal) α-diversity (expressed by Shannon index) and BC (or FC). The Random Forest Model showed that several important fungal and bacterial Amplicon Sequence Variants (ASVs) explained 14 %–73 % of the FC and BC variations. Therefore, the composition of the microbial community may play a pivotal role in driving the accumulation of MC. Short-term NT in rice paddies resulted in increased levels of both MC and SOC. Notably, the rate of increase in MC exceeded that of SOC, suggesting the potential for SOC stabilization.
•5-Year no-tillage increased microbial-derived C in paddy soil.•Microbial composition explained 14–73 % of microbial-derived C variation.•The SOC is positively related with fungal and bacterial necromass C.•5-Year no-tillage did not change microbial-derived C/SOC ratio.</description><subject>algorithms</subject><subject>Amino sugar</subject><subject>Carbon neutrality</subject><subject>Carbon stability</subject><subject>China</subject><subject>climate change</subject><subject>community structure</subject><subject>Conservation agriculture</subject><subject>conventional tillage</subject><subject>field experimentation</subject><subject>fungal communities</subject><subject>fungi</subject><subject>Microbial derived carbon</subject><subject>Microbial necromass</subject><subject>necromass</subject><subject>no-tillage</subject><subject>paddies</subject><subject>regression analysis</subject><subject>rice</subject><subject>soil</subject><subject>soil bacteria</subject><subject>soil ecology</subject><subject>soil fertility</subject><subject>soil organic carbon</subject><issn>0929-1393</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kDtPxDAQhF2AxPH4BxQuKcjhR5w4DRI6HQ_pJBqoLcdZn3xK7GAnoPv3-BRqqpVmZ0a7H0K3lKwpodXDYa3HFFy_ZoTxLAnakDO0Ig1rCsobfoEuUzoQQgSTfIV-ttaCmRIOFk-u7_Ue8Bi1mZyBLHp86sIh7rV3Bhsd2-Dv8eBMDK3TPTZhGGbvpiPWvsMesj7olLDzWOMuzG0POOYunBfj6Pwep2OaYLhG51b3CW7-5hX6fN5-bF6L3fvL2-ZpVxjOm6lgltZQsdZSUdqm5VUpq5JQKxnVbU2EqCXppNY1MVIbTgShpWyFqbsajLU1v0J3S-8Yw9cMaVKDSwbyox7CnBSngldCsoZla7lY86kpRbBqjG7Q8agoUSe26qAWturEVi1sc-xxiUF-49tBVMk48AY6FzNZ1QX3f8EvEw2H0w</recordid><startdate>202402</startdate><enddate>202402</enddate><creator>Qi, Jian-Ying</creator><creator>Yao, Xiang-Bin</creator><creator>Zhang, Xue-Chan</creator><creator>Fan, Mei-Yi</creator><creator>Xue, Jian-Fu</creator><creator>Cao, Jun-Li</creator><creator>Virk, Ahmad Latif</creator><creator>Pan, Sheng-Gang</creator><creator>Tang, Xiang-Ru</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>202402</creationdate><title>Effects of tillage practices on soil organic carbon, microbial community and necromass in a double rice cropping system</title><author>Qi, Jian-Ying ; Yao, Xiang-Bin ; Zhang, Xue-Chan ; Fan, Mei-Yi ; Xue, Jian-Fu ; Cao, Jun-Li ; Virk, Ahmad Latif ; Pan, Sheng-Gang ; Tang, Xiang-Ru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c339t-2f17e62bf154f9b36486401f821ab7055780d8aa70c8ac3050148b5c7d7ecff73</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>algorithms</topic><topic>Amino sugar</topic><topic>Carbon neutrality</topic><topic>Carbon stability</topic><topic>China</topic><topic>climate change</topic><topic>community structure</topic><topic>Conservation agriculture</topic><topic>conventional tillage</topic><topic>field experimentation</topic><topic>fungal communities</topic><topic>fungi</topic><topic>Microbial derived carbon</topic><topic>Microbial necromass</topic><topic>necromass</topic><topic>no-tillage</topic><topic>paddies</topic><topic>regression analysis</topic><topic>rice</topic><topic>soil</topic><topic>soil bacteria</topic><topic>soil ecology</topic><topic>soil fertility</topic><topic>soil organic carbon</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Qi, Jian-Ying</creatorcontrib><creatorcontrib>Yao, Xiang-Bin</creatorcontrib><creatorcontrib>Zhang, Xue-Chan</creatorcontrib><creatorcontrib>Fan, Mei-Yi</creatorcontrib><creatorcontrib>Xue, Jian-Fu</creatorcontrib><creatorcontrib>Cao, Jun-Li</creatorcontrib><creatorcontrib>Virk, Ahmad Latif</creatorcontrib><creatorcontrib>Pan, Sheng-Gang</creatorcontrib><creatorcontrib>Tang, Xiang-Ru</creatorcontrib><collection>CrossRef</collection><collection>AGRICOLA</collection><collection>AGRICOLA - Academic</collection><jtitle>Applied soil ecology : a section of Agriculture, ecosystems & environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Qi, Jian-Ying</au><au>Yao, Xiang-Bin</au><au>Zhang, Xue-Chan</au><au>Fan, Mei-Yi</au><au>Xue, Jian-Fu</au><au>Cao, Jun-Li</au><au>Virk, Ahmad Latif</au><au>Pan, Sheng-Gang</au><au>Tang, Xiang-Ru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of tillage practices on soil organic carbon, microbial community and necromass in a double rice cropping system</atitle><jtitle>Applied soil ecology : a section of Agriculture, ecosystems & environment</jtitle><date>2024-02</date><risdate>2024</risdate><volume>194</volume><spage>105190</spage><pages>105190-</pages><artnum>105190</artnum><issn>0929-1393</issn><abstract>No-tillage (NT) can enhance the accumulation of soil organic carbon (SOC), thereby aiding in climate change mitigation and improving soil fertility. However, the relations of soil microbial abundance, composition, and necromass to SOC increase under NT are still unclear, limiting the knowledge of SOC stabilization. We performed a 5-year paddy field experiment in southern China including NT, reduced tillage (RT) and conventional tillage (CT). Soil microbial necromass C (MC, including fungal and bacterial necromass C, FC, and BC) were analyzed, as well as soil bacterial and fungal community composition. At a depth of 0–10 cm, NT increased FC (by 48.6 %–50.2 %, P < 0.05), BC (28.6 %–41.7 %), and MC (38.5 %–45.1 %, P < 0.05) but did not significantly alter the FC/BC and MC/SOC ratios. The increase rate of MC (NT vs. CT and RT) was 12.8–16.2 % higher than that of total SOC. Compared with 0–10 cm and 10–20 cm, the MC/SOC ratio was 12.5 %–14.1 % lower at 20–30 cm. Linear regression indicated significant positive correlations of SOC with MC, BC, and FC, whereas no significant correlation was found between bacterial (or fungal) α-diversity (expressed by Shannon index) and BC (or FC). The Random Forest Model showed that several important fungal and bacterial Amplicon Sequence Variants (ASVs) explained 14 %–73 % of the FC and BC variations. Therefore, the composition of the microbial community may play a pivotal role in driving the accumulation of MC. Short-term NT in rice paddies resulted in increased levels of both MC and SOC. Notably, the rate of increase in MC exceeded that of SOC, suggesting the potential for SOC stabilization.
•5-Year no-tillage increased microbial-derived C in paddy soil.•Microbial composition explained 14–73 % of microbial-derived C variation.•The SOC is positively related with fungal and bacterial necromass C.•5-Year no-tillage did not change microbial-derived C/SOC ratio.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.apsoil.2023.105190</doi></addata></record> |
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| source | Elsevier |
| subjects | algorithms Amino sugar Carbon neutrality Carbon stability China climate change community structure Conservation agriculture conventional tillage field experimentation fungal communities fungi Microbial derived carbon Microbial necromass necromass no-tillage paddies regression analysis rice soil soil bacteria soil ecology soil fertility soil organic carbon |
| title | Effects of tillage practices on soil organic carbon, microbial community and necromass in a double rice cropping system |
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