Poly-γ-glutamic acid bioproduct improves the coastal saline soil mainly by assisting nitrogen conservation during salt-leaching process
Salt-leaching is considered to be a major method for soil desalting in agriculture. Therefore, conservation of soil nutrition is significant to soil fertility and environment protection during the salt-leaching process. The effect of poly-γ-glutamic acid bioproduct (PGAB), which was manufactured by...
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creator | Chen, Lihua Su, Weixia Xiao, Jinyu Zhang, Chi Zheng, Jinhai Zhang, Fengge |
description | Salt-leaching is considered to be a major method for soil desalting in agriculture. Therefore, conservation of soil nutrition is significant to soil fertility and environment protection during the salt-leaching process. The effect of poly-γ-glutamic acid bioproduct (PGAB), which was manufactured by solid-state fermentation with the bacteria producing glutamic acid (GA) and poly-γ-glutamic acid (γ-PGA) and organic waste, on keeping nitrogen (N) during salt-leaching was investigated in this study. The isolated bacteria producing GA and γ-PGA were identified as
Brevibacterium flavum
and
Bacillus amyloliquefaciens
, respectively. After the saline soil was leached for 90 days, compared to the control, soil salinity (0–30 cm) in the PGAB treatment was decreased by 39.9%, while soil total N was significantly (
P
|
doi_str_mv | 10.1007/s11356-020-11244-7 |
format | Article |
fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2451848635</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2485327143</sourcerecordid><originalsourceid>FETCH-LOGICAL-c375t-b358ae13a09ebf16d7f8e109fa3ce3088026e55dc5831f126db9f128e4719923</originalsourceid><addsrcrecordid>eNp9kU1uFDEQhS1ERIYkF2CBLLFh08Rl9-8SRUCQIsEie8vtrp44ctuDyx1pbsB9cg_OhIcJILFgVWX7e6-seoy9AvEOhOguCUA1bSWkqABkXVfdM7aBFkpTD8NzthFDuQRV16fsJdG9KOQguxfsVCnRKglyw75_jX5f_Xistn7NZnGWG-smPrq4S3FabeZuKd0DEs93yG00lI3nZLwLyCk6zxfjgt_zcc8NkaPswpYHl1PcYiiCQJgeTHYx8GlNh8cizpVHY-8Op-JukeicnczGE1481TN2-_HD7dV1dfPl0-er9zeVVV2Tq1E1vUFQRgw4ztBO3dwjiGE2yqISfS9ki00z2aZXMINsp3Eopce6g2GQ6oy9PdqWsd9WpKwXRxa9NwHjSlrWDfR136qmoG_-Qe_jmkL5XKH6RskOalUoeaRsikQJZ71LbjFpr0HoQ0z6GJMuy9e_YtJdEb1-sl7HBac_kt-5FEAdAdodVobp7-z_2P4ExaygYw</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2485327143</pqid></control><display><type>article</type><title>Poly-γ-glutamic acid bioproduct improves the coastal saline soil mainly by assisting nitrogen conservation during salt-leaching process</title><source>MEDLINE</source><source>Springer Nature - Complete Springer Journals</source><creator>Chen, Lihua ; Su, Weixia ; Xiao, Jinyu ; Zhang, Chi ; Zheng, Jinhai ; Zhang, Fengge</creator><creatorcontrib>Chen, Lihua ; Su, Weixia ; Xiao, Jinyu ; Zhang, Chi ; Zheng, Jinhai ; Zhang, Fengge</creatorcontrib><description>Salt-leaching is considered to be a major method for soil desalting in agriculture. Therefore, conservation of soil nutrition is significant to soil fertility and environment protection during the salt-leaching process. The effect of poly-γ-glutamic acid bioproduct (PGAB), which was manufactured by solid-state fermentation with the bacteria producing glutamic acid (GA) and poly-γ-glutamic acid (γ-PGA) and organic waste, on keeping nitrogen (N) during salt-leaching was investigated in this study. The isolated bacteria producing GA and γ-PGA were identified as
Brevibacterium flavum
and
Bacillus amyloliquefaciens
, respectively. After the saline soil was leached for 90 days, compared to the control, soil salinity (0–30 cm) in the PGAB treatment was decreased by 39.9%, while soil total N was significantly (
P
< 0.05) higher than other treatments. Furthermore, the microbial biomass N (0–30 cm) in PGAB treatment was increased by 119.5%; populations of soil total bacteria, fungi, actinomyces, nitrogen-fixing bacteria, ammonifying bacteria, nitrifying bacteria, and denitrifying bacteria and soil algae biomass were also significantly (
P
< 0.05) increased. In terms of physical properties, the percentage of soil aggregates with diameter > 0.25 mm was increased by 293.5%, and the soil erosion-resistance coefficient was increased by 50.0%. In conclusion, the PGAB can effectively conserve soil N during the process of salt-leaching and therefore offer a sustainable way to improve coastal saline soil.</description><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-020-11244-7</identifier><identifier>PMID: 33063212</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Acids ; Algae ; Ammonifying bacteria ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Bacteria ; Bacterial leaching ; Biomass ; Conservation ; Denitrifying bacteria ; Desalination ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Health ; Environmental protection ; Environmental science ; Erosion resistance ; Fermentation ; Fungi ; Glutamic Acid ; Leaching ; Microorganisms ; Nitrifying bacteria ; Nitrogen ; Nitrogen fixation ; Nitrogen-fixing bacteria ; Nitrogenation ; Nutrition ; Organic wastes ; Physical properties ; poly-γ-Glutamic acid ; Polyglutamic Acid - analogs & derivatives ; Research Article ; Saline soils ; Salt ; Salts ; Soil ; Soil aggregates ; Soil bacteria ; Soil conservation ; Soil erosion ; Soil fertility ; Soil microorganisms ; Soil nutrients ; Soil properties ; Soil resistance ; Soil salinity ; Solid state fermentation ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2021-02, Vol.28 (7), p.8606-8614</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c375t-b358ae13a09ebf16d7f8e109fa3ce3088026e55dc5831f126db9f128e4719923</citedby><cites>FETCH-LOGICAL-c375t-b358ae13a09ebf16d7f8e109fa3ce3088026e55dc5831f126db9f128e4719923</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11356-020-11244-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11356-020-11244-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33063212$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Lihua</creatorcontrib><creatorcontrib>Su, Weixia</creatorcontrib><creatorcontrib>Xiao, Jinyu</creatorcontrib><creatorcontrib>Zhang, Chi</creatorcontrib><creatorcontrib>Zheng, Jinhai</creatorcontrib><creatorcontrib>Zhang, Fengge</creatorcontrib><title>Poly-γ-glutamic acid bioproduct improves the coastal saline soil mainly by assisting nitrogen conservation during salt-leaching process</title><title>Environmental science and pollution research international</title><addtitle>Environ Sci Pollut Res</addtitle><addtitle>Environ Sci Pollut Res Int</addtitle><description>Salt-leaching is considered to be a major method for soil desalting in agriculture. Therefore, conservation of soil nutrition is significant to soil fertility and environment protection during the salt-leaching process. The effect of poly-γ-glutamic acid bioproduct (PGAB), which was manufactured by solid-state fermentation with the bacteria producing glutamic acid (GA) and poly-γ-glutamic acid (γ-PGA) and organic waste, on keeping nitrogen (N) during salt-leaching was investigated in this study. The isolated bacteria producing GA and γ-PGA were identified as
Brevibacterium flavum
and
Bacillus amyloliquefaciens
, respectively. After the saline soil was leached for 90 days, compared to the control, soil salinity (0–30 cm) in the PGAB treatment was decreased by 39.9%, while soil total N was significantly (
P
< 0.05) higher than other treatments. Furthermore, the microbial biomass N (0–30 cm) in PGAB treatment was increased by 119.5%; populations of soil total bacteria, fungi, actinomyces, nitrogen-fixing bacteria, ammonifying bacteria, nitrifying bacteria, and denitrifying bacteria and soil algae biomass were also significantly (
P
< 0.05) increased. In terms of physical properties, the percentage of soil aggregates with diameter > 0.25 mm was increased by 293.5%, and the soil erosion-resistance coefficient was increased by 50.0%. In conclusion, the PGAB can effectively conserve soil N during the process of salt-leaching and therefore offer a sustainable way to improve coastal saline soil.</description><subject>Acids</subject><subject>Algae</subject><subject>Ammonifying bacteria</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Bacteria</subject><subject>Bacterial leaching</subject><subject>Biomass</subject><subject>Conservation</subject><subject>Denitrifying bacteria</subject><subject>Desalination</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental Health</subject><subject>Environmental protection</subject><subject>Environmental science</subject><subject>Erosion resistance</subject><subject>Fermentation</subject><subject>Fungi</subject><subject>Glutamic Acid</subject><subject>Leaching</subject><subject>Microorganisms</subject><subject>Nitrifying bacteria</subject><subject>Nitrogen</subject><subject>Nitrogen fixation</subject><subject>Nitrogen-fixing bacteria</subject><subject>Nitrogenation</subject><subject>Nutrition</subject><subject>Organic wastes</subject><subject>Physical properties</subject><subject>poly-γ-Glutamic acid</subject><subject>Polyglutamic Acid - analogs & derivatives</subject><subject>Research Article</subject><subject>Saline soils</subject><subject>Salt</subject><subject>Salts</subject><subject>Soil</subject><subject>Soil aggregates</subject><subject>Soil bacteria</subject><subject>Soil conservation</subject><subject>Soil erosion</subject><subject>Soil fertility</subject><subject>Soil microorganisms</subject><subject>Soil nutrients</subject><subject>Soil properties</subject><subject>Soil resistance</subject><subject>Soil salinity</subject><subject>Solid state fermentation</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><issn>0944-1344</issn><issn>1614-7499</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNp9kU1uFDEQhS1ERIYkF2CBLLFh08Rl9-8SRUCQIsEie8vtrp44ctuDyx1pbsB9cg_OhIcJILFgVWX7e6-seoy9AvEOhOguCUA1bSWkqABkXVfdM7aBFkpTD8NzthFDuQRV16fsJdG9KOQguxfsVCnRKglyw75_jX5f_Xistn7NZnGWG-smPrq4S3FabeZuKd0DEs93yG00lI3nZLwLyCk6zxfjgt_zcc8NkaPswpYHl1PcYiiCQJgeTHYx8GlNh8cizpVHY-8Op-JukeicnczGE1481TN2-_HD7dV1dfPl0-er9zeVVV2Tq1E1vUFQRgw4ztBO3dwjiGE2yqISfS9ki00z2aZXMINsp3Eopce6g2GQ6oy9PdqWsd9WpKwXRxa9NwHjSlrWDfR136qmoG_-Qe_jmkL5XKH6RskOalUoeaRsikQJZ71LbjFpr0HoQ0z6GJMuy9e_YtJdEb1-sl7HBac_kt-5FEAdAdodVobp7-z_2P4ExaygYw</recordid><startdate>20210201</startdate><enddate>20210201</enddate><creator>Chen, Lihua</creator><creator>Su, Weixia</creator><creator>Xiao, Jinyu</creator><creator>Zhang, Chi</creator><creator>Zheng, Jinhai</creator><creator>Zhang, Fengge</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7TV</scope><scope>7U7</scope><scope>7WY</scope><scope>7WZ</scope><scope>7X7</scope><scope>7XB</scope><scope>87Z</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8FL</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FRNLG</scope><scope>FYUFA</scope><scope>F~G</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>K9.</scope><scope>L.-</scope><scope>M0C</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>M7N</scope><scope>P64</scope><scope>PATMY</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20210201</creationdate><title>Poly-γ-glutamic acid bioproduct improves the coastal saline soil mainly by assisting nitrogen conservation during salt-leaching process</title><author>Chen, Lihua ; Su, Weixia ; Xiao, Jinyu ; Zhang, Chi ; Zheng, Jinhai ; Zhang, Fengge</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c375t-b358ae13a09ebf16d7f8e109fa3ce3088026e55dc5831f126db9f128e4719923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Acids</topic><topic>Algae</topic><topic>Ammonifying bacteria</topic><topic>Aquatic Pollution</topic><topic>Atmospheric Protection/Air Quality Control/Air Pollution</topic><topic>Bacteria</topic><topic>Bacterial leaching</topic><topic>Biomass</topic><topic>Conservation</topic><topic>Denitrifying bacteria</topic><topic>Desalination</topic><topic>Earth and Environmental Science</topic><topic>Ecotoxicology</topic><topic>Environment</topic><topic>Environmental Chemistry</topic><topic>Environmental Health</topic><topic>Environmental protection</topic><topic>Environmental science</topic><topic>Erosion resistance</topic><topic>Fermentation</topic><topic>Fungi</topic><topic>Glutamic Acid</topic><topic>Leaching</topic><topic>Microorganisms</topic><topic>Nitrifying bacteria</topic><topic>Nitrogen</topic><topic>Nitrogen fixation</topic><topic>Nitrogen-fixing bacteria</topic><topic>Nitrogenation</topic><topic>Nutrition</topic><topic>Organic wastes</topic><topic>Physical properties</topic><topic>poly-γ-Glutamic acid</topic><topic>Polyglutamic Acid - analogs & derivatives</topic><topic>Research Article</topic><topic>Saline soils</topic><topic>Salt</topic><topic>Salts</topic><topic>Soil</topic><topic>Soil aggregates</topic><topic>Soil bacteria</topic><topic>Soil conservation</topic><topic>Soil erosion</topic><topic>Soil fertility</topic><topic>Soil microorganisms</topic><topic>Soil nutrients</topic><topic>Soil properties</topic><topic>Soil resistance</topic><topic>Soil salinity</topic><topic>Solid state fermentation</topic><topic>Waste Water Technology</topic><topic>Water Management</topic><topic>Water Pollution Control</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Lihua</creatorcontrib><creatorcontrib>Su, Weixia</creatorcontrib><creatorcontrib>Xiao, Jinyu</creatorcontrib><creatorcontrib>Zhang, Chi</creatorcontrib><creatorcontrib>Zheng, Jinhai</creatorcontrib><creatorcontrib>Zhang, Fengge</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Pollution Abstracts</collection><collection>Toxicology Abstracts</collection><collection>ABI/INFORM Collection</collection><collection>ABI/INFORM Global (PDF only)</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>ABI/INFORM Global (Alumni Edition)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Science Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ABI/INFORM Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>Agricultural & Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Business Premium Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Business Premium Collection (Alumni)</collection><collection>Health Research Premium Collection</collection><collection>ABI/INFORM Global (Corporate)</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Business Collection (Alumni Edition)</collection><collection>ProQuest Business Collection</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>ABI/INFORM Professional Advanced</collection><collection>ABI/INFORM Global</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Science Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environmental Science Database</collection><collection>ProQuest One Business</collection><collection>ProQuest One Business (Alumni)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Environmental Science Collection</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>Environmental science and pollution research international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Lihua</au><au>Su, Weixia</au><au>Xiao, Jinyu</au><au>Zhang, Chi</au><au>Zheng, Jinhai</au><au>Zhang, Fengge</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Poly-γ-glutamic acid bioproduct improves the coastal saline soil mainly by assisting nitrogen conservation during salt-leaching process</atitle><jtitle>Environmental science and pollution research international</jtitle><stitle>Environ Sci Pollut Res</stitle><addtitle>Environ Sci Pollut Res Int</addtitle><date>2021-02-01</date><risdate>2021</risdate><volume>28</volume><issue>7</issue><spage>8606</spage><epage>8614</epage><pages>8606-8614</pages><issn>0944-1344</issn><eissn>1614-7499</eissn><abstract>Salt-leaching is considered to be a major method for soil desalting in agriculture. Therefore, conservation of soil nutrition is significant to soil fertility and environment protection during the salt-leaching process. The effect of poly-γ-glutamic acid bioproduct (PGAB), which was manufactured by solid-state fermentation with the bacteria producing glutamic acid (GA) and poly-γ-glutamic acid (γ-PGA) and organic waste, on keeping nitrogen (N) during salt-leaching was investigated in this study. The isolated bacteria producing GA and γ-PGA were identified as
Brevibacterium flavum
and
Bacillus amyloliquefaciens
, respectively. After the saline soil was leached for 90 days, compared to the control, soil salinity (0–30 cm) in the PGAB treatment was decreased by 39.9%, while soil total N was significantly (
P
< 0.05) higher than other treatments. Furthermore, the microbial biomass N (0–30 cm) in PGAB treatment was increased by 119.5%; populations of soil total bacteria, fungi, actinomyces, nitrogen-fixing bacteria, ammonifying bacteria, nitrifying bacteria, and denitrifying bacteria and soil algae biomass were also significantly (
P
< 0.05) increased. In terms of physical properties, the percentage of soil aggregates with diameter > 0.25 mm was increased by 293.5%, and the soil erosion-resistance coefficient was increased by 50.0%. In conclusion, the PGAB can effectively conserve soil N during the process of salt-leaching and therefore offer a sustainable way to improve coastal saline soil.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>33063212</pmid><doi>10.1007/s11356-020-11244-7</doi><tpages>9</tpages></addata></record> |
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subjects | Acids Algae Ammonifying bacteria Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Bacteria Bacterial leaching Biomass Conservation Denitrifying bacteria Desalination Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental protection Environmental science Erosion resistance Fermentation Fungi Glutamic Acid Leaching Microorganisms Nitrifying bacteria Nitrogen Nitrogen fixation Nitrogen-fixing bacteria Nitrogenation Nutrition Organic wastes Physical properties poly-γ-Glutamic acid Polyglutamic Acid - analogs & derivatives Research Article Saline soils Salt Salts Soil Soil aggregates Soil bacteria Soil conservation Soil erosion Soil fertility Soil microorganisms Soil nutrients Soil properties Soil resistance Soil salinity Solid state fermentation Waste Water Technology Water Management Water Pollution Control |
title | Poly-γ-glutamic acid bioproduct improves the coastal saline soil mainly by assisting nitrogen conservation during salt-leaching process |
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