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Response of Selected Soil Microbial Populations and Activities to Land Conversion
A native shrub–steppe ecosystem converted to a series of irrigated agricultural fields was evaluated for biological indicators that may signal changes in soil processes during the initial stages of conversion and disturbance. Nine sites including undisturbed native shrub–steppe and center-pivot-irri...
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| Published in: | Communications in Soil Science and Plant Analysis 2013-07, Vol.44 (13), p.1976-1991 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-c422t-5a0c83788a6c46439e5b995c425df83b95f637f801ee52b536e05253094300fe3 |
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| cites | cdi_FETCH-LOGICAL-c422t-5a0c83788a6c46439e5b995c425df83b95f637f801ee52b536e05253094300fe3 |
| container_end_page | 1991 |
| container_issue | 13 |
| container_start_page | 1976 |
| container_title | Communications in Soil Science and Plant Analysis |
| container_volume | 44 |
| creator | Cochran, R. L Collins, H. P Alva, A. K |
| description | A native shrub–steppe ecosystem converted to a series of irrigated agricultural fields was evaluated for biological indicators that may signal changes in soil processes during the initial stages of conversion and disturbance. Nine sites including undisturbed native shrub–steppe and center-pivot-irrigated fields with 1, 2, and 3 years of cultivation following conversion were evaluated. Cultivated fields had greater populations of culturable aerobic and pseudomonad bacteria, greater populations of nitrifying bacteria, increased nitrification potential, greater values of microbial biomass nitrogen (MBN), and different rates of substrate-induced respiration compared to native sites. Disturbance and soil mixing from field development, tillage, irrigation, compost amendments, and residue incorporation contributed to shifts in soil microbial populations and activities following conversion. Differences observed in microbial characteristics were influenced more by conversion of the native ecosystem to an irrigated agroecosystem and the addition of compost than by the length of time of cultivation. |
| doi_str_mv | 10.1080/00103624.2013.790405 |
| format | article |
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L ; Collins, H. P ; Alva, A. K</creator><creatorcontrib>Cochran, R. L ; Collins, H. P ; Alva, A. K</creatorcontrib><description>A native shrub–steppe ecosystem converted to a series of irrigated agricultural fields was evaluated for biological indicators that may signal changes in soil processes during the initial stages of conversion and disturbance. Nine sites including undisturbed native shrub–steppe and center-pivot-irrigated fields with 1, 2, and 3 years of cultivation following conversion were evaluated. Cultivated fields had greater populations of culturable aerobic and pseudomonad bacteria, greater populations of nitrifying bacteria, increased nitrification potential, greater values of microbial biomass nitrogen (MBN), and different rates of substrate-induced respiration compared to native sites. Disturbance and soil mixing from field development, tillage, irrigation, compost amendments, and residue incorporation contributed to shifts in soil microbial populations and activities following conversion. Differences observed in microbial characteristics were influenced more by conversion of the native ecosystem to an irrigated agroecosystem and the addition of compost than by the length of time of cultivation.</description><identifier>ISSN: 1532-2416</identifier><identifier>ISSN: 0010-3624</identifier><identifier>EISSN: 1532-2416</identifier><identifier>EISSN: 1532-4133</identifier><identifier>DOI: 10.1080/00103624.2013.790405</identifier><identifier>CODEN: CSOSA2</identifier><language>eng</language><publisher>Philadelphia, PA: Taylor & Francis</publisher><subject>agroecosystems ; Agronomy. 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Psychology ; indicator species ; irrigated farming ; irrigation ; land use change ; Microbial biomass ; microbial populations ; Microbiology ; mixing ; nitrification ; nitrifying bacteria ; nitrogen ; Physics, chemistry, biochemistry and biology of agricultural and forest soils ; Soil science ; Soil sciences ; substrate-induced respiration ; tillage</subject><ispartof>Communications in Soil Science and Plant Analysis, 2013-07, Vol.44 (13), p.1976-1991</ispartof><rights>Copyright Taylor & Francis Group, LLC 2013</rights><rights>2014 INIST-CNRS</rights><rights>Copyright Taylor and Francis Group, LLC</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c422t-5a0c83788a6c46439e5b995c425df83b95f637f801ee52b536e05253094300fe3</citedby><cites>FETCH-LOGICAL-c422t-5a0c83788a6c46439e5b995c425df83b95f637f801ee52b536e05253094300fe3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27749675$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Cochran, R. L</creatorcontrib><creatorcontrib>Collins, H. P</creatorcontrib><creatorcontrib>Alva, A. K</creatorcontrib><title>Response of Selected Soil Microbial Populations and Activities to Land Conversion</title><title>Communications in Soil Science and Plant Analysis</title><description>A native shrub–steppe ecosystem converted to a series of irrigated agricultural fields was evaluated for biological indicators that may signal changes in soil processes during the initial stages of conversion and disturbance. Nine sites including undisturbed native shrub–steppe and center-pivot-irrigated fields with 1, 2, and 3 years of cultivation following conversion were evaluated. Cultivated fields had greater populations of culturable aerobic and pseudomonad bacteria, greater populations of nitrifying bacteria, increased nitrification potential, greater values of microbial biomass nitrogen (MBN), and different rates of substrate-induced respiration compared to native sites. Disturbance and soil mixing from field development, tillage, irrigation, compost amendments, and residue incorporation contributed to shifts in soil microbial populations and activities following conversion. Differences observed in microbial characteristics were influenced more by conversion of the native ecosystem to an irrigated agroecosystem and the addition of compost than by the length of time of cultivation.</description><subject>agroecosystems</subject><subject>Agronomy. Soil science and plant productions</subject><subject>Bacteria</subject><subject>Biochemistry and biology</subject><subject>Biological and medical sciences</subject><subject>Biomass</subject><subject>Chemical, physicochemical, biochemical and biological properties</subject><subject>composts</subject><subject>disturbed soils</subject><subject>Ecosystems</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>indicator species</subject><subject>irrigated farming</subject><subject>irrigation</subject><subject>land use change</subject><subject>Microbial biomass</subject><subject>microbial populations</subject><subject>Microbiology</subject><subject>mixing</subject><subject>nitrification</subject><subject>nitrifying bacteria</subject><subject>nitrogen</subject><subject>Physics, chemistry, biochemistry and biology of agricultural and forest soils</subject><subject>Soil science</subject><subject>Soil sciences</subject><subject>substrate-induced respiration</subject><subject>tillage</subject><issn>1532-2416</issn><issn>0010-3624</issn><issn>1532-2416</issn><issn>1532-4133</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFkF1rFDEUhoeiYK3-A6EBEXqz25PvmatSllaFlX6svQ7Z7ImkZCdrMtvSf2-GaYt441VC8jxvct6m-URhTqGFUwAKXDExZ0D5XHcgQB40h1RyNmOCqjd_7d8170u5r0angR02N7dYdqkvSJInK4zoBtyQVQqR_Agup3WwkVyn3T7aIVSO2H5Dzt0QHsIQsJAhkeV4tEj9A-ZSkQ_NW29jwY_P61Fzd3nxc_Fttrz6-n1xvpw5wdgwkxZcy3XbWuWEErxDue46WS_lxrd83UmvuPYtUETJ1pIrBMkkh05wAI_8qDmZcnc5_d5jGcw2FIcx2h7TvhgqVMuVYoxW9PM_6H3a577-rlIASmjQUCkxUXXsUjJ6s8tha_OToWDGns1Lz2bs2Uw9V-3Lc7gtzkafbe9CeXWZ1qJTeuTOJi70PuWtfUw5bsxgn2LKLxL_z0vHU4K3ydhfuQp3qwqIka6DMv4HUdKXZw</recordid><startdate>20130720</startdate><enddate>20130720</enddate><creator>Cochran, R. 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Soil science and plant productions</topic><topic>Bacteria</topic><topic>Biochemistry and biology</topic><topic>Biological and medical sciences</topic><topic>Biomass</topic><topic>Chemical, physicochemical, biochemical and biological properties</topic><topic>composts</topic><topic>disturbed soils</topic><topic>Ecosystems</topic><topic>Fundamental and applied biological sciences. 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| identifier | ISSN: 1532-2416 |
| ispartof | Communications in Soil Science and Plant Analysis, 2013-07, Vol.44 (13), p.1976-1991 |
| issn | 1532-2416 0010-3624 1532-2416 1532-4133 |
| language | eng |
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| source | Taylor and Francis:Jisc Collections:Taylor and Francis Read and Publish Agreement 2024-2025:Science and Technology Collection (Reading list) |
| subjects | agroecosystems Agronomy. Soil science and plant productions Bacteria Biochemistry and biology Biological and medical sciences Biomass Chemical, physicochemical, biochemical and biological properties composts disturbed soils Ecosystems Fundamental and applied biological sciences. Psychology indicator species irrigated farming irrigation land use change Microbial biomass microbial populations Microbiology mixing nitrification nitrifying bacteria nitrogen Physics, chemistry, biochemistry and biology of agricultural and forest soils Soil science Soil sciences substrate-induced respiration tillage |
| title | Response of Selected Soil Microbial Populations and Activities to Land Conversion |
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