Effects of agricultural management on chemical and biochemical properties of a semiarid soil from central Spain
•SOM sequestration reached a steady state after 15 years of conservation tillage.•Vertical gradients of most soil properties increased as tillage intensity decreased.•No effects of tillage systems on soil δ 13C were found.•Soil δ 15N showed that N cycling under fallow is more closed than in tilled s...
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| Veröffentlicht in: | Soil & tillage research 2013-11, Vol.134, p.49-55 |
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| creator | González-Prieto, S. Díaz-Raviña, M. Martín, A. López-Fando, C. |
| description | •SOM sequestration reached a steady state after 15 years of conservation tillage.•Vertical gradients of most soil properties increased as tillage intensity decreased.•No effects of tillage systems on soil δ 13C were found.•Soil δ 15N showed that N cycling under fallow is more closed than in tilled soils.
Long-term agricultural management may change soil C sequestration and alter soil C and N dynamics. The objective of this study was to investigate the impact of several tillage regimes with different intensity on C and N stocks in a Calcic Haploxeralf with a leguminous/cereal rotation under semiarid conditions after 15, 18 and 21 years of management. Seven chemical and biochemical properties (total C, total N, δ 13C, δ 15N, FDA hydrolysis, β-glucosidase and urease activities) were measured in a soil (0–5cm, 5–10cm, 10–20cm, 20–30cm) under the following agricultural management: fallow (F), no-tillage (NT), zone-tillage subsoiling with a paraplow (ZT), conventional tillage with mouldboard plow (CT), minimum tillage with chisel plow after NT (MTN) or CT (MTC). The results showed that soil reached a steady state of organic matter sequestration 15 years after starting the experiment and that C and N stocks varied greatly with agricultural management, particularly in the top 0–10cm, and followed the order: F≈NT≈ZT>MTN≈MTC>CT. Fallow and less intensively cultivated soils (NT, ZT) exhibited strong vertical gradients of most properties analyzed (total C, total N, FDA hydrolysis, urease and β-glucosidase activities) with values decreasing with depth, followed by minimum tillage treatments (MTN, MTC) whereas similar values along soil profile were observed in CT treatment. No significant differences in soil δ 13C values were detected among plots with different land use or tillage systems; however, the δ 15N values suggested that, although tillage system did not affect significantly N-cycling processes, a change from “open” to “closed” N cycling occurred when cultivated soils were set aside. |
| doi_str_mv | 10.1016/j.still.2013.07.007 |
| format | Article |
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Long-term agricultural management may change soil C sequestration and alter soil C and N dynamics. The objective of this study was to investigate the impact of several tillage regimes with different intensity on C and N stocks in a Calcic Haploxeralf with a leguminous/cereal rotation under semiarid conditions after 15, 18 and 21 years of management. Seven chemical and biochemical properties (total C, total N, δ 13C, δ 15N, FDA hydrolysis, β-glucosidase and urease activities) were measured in a soil (0–5cm, 5–10cm, 10–20cm, 20–30cm) under the following agricultural management: fallow (F), no-tillage (NT), zone-tillage subsoiling with a paraplow (ZT), conventional tillage with mouldboard plow (CT), minimum tillage with chisel plow after NT (MTN) or CT (MTC). The results showed that soil reached a steady state of organic matter sequestration 15 years after starting the experiment and that C and N stocks varied greatly with agricultural management, particularly in the top 0–10cm, and followed the order: F≈NT≈ZT>MTN≈MTC>CT. Fallow and less intensively cultivated soils (NT, ZT) exhibited strong vertical gradients of most properties analyzed (total C, total N, FDA hydrolysis, urease and β-glucosidase activities) with values decreasing with depth, followed by minimum tillage treatments (MTN, MTC) whereas similar values along soil profile were observed in CT treatment. No significant differences in soil δ 13C values were detected among plots with different land use or tillage systems; however, the δ 15N values suggested that, although tillage system did not affect significantly N-cycling processes, a change from “open” to “closed” N cycling occurred when cultivated soils were set aside.</description><identifier>ISSN: 0167-1987</identifier><identifier>EISSN: 1879-3444</identifier><identifier>DOI: 10.1016/j.still.2013.07.007</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; C stock ; Cropping systems. Cultivation. Soil tillage ; Fallow ; Fundamental and applied biological sciences. Psychology ; General agronomy. Plant production ; N stock ; Soil enzymes ; Soil science ; Soil tillage ; Tillage systems ; Tillage. Tending. Growth control ; δ 13C ; δ 15N</subject><ispartof>Soil & tillage research, 2013-11, Vol.134, p.49-55</ispartof><rights>2013</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c411t-25cb5a9d0406198e3a12a443f831a8472b5edf8af2f9f186726f0197748ec4413</citedby><cites>FETCH-LOGICAL-c411t-25cb5a9d0406198e3a12a443f831a8472b5edf8af2f9f186726f0197748ec4413</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.still.2013.07.007$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,778,782,3539,27907,27908,45978</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27860265$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>González-Prieto, S.</creatorcontrib><creatorcontrib>Díaz-Raviña, M.</creatorcontrib><creatorcontrib>Martín, A.</creatorcontrib><creatorcontrib>López-Fando, C.</creatorcontrib><title>Effects of agricultural management on chemical and biochemical properties of a semiarid soil from central Spain</title><title>Soil & tillage research</title><description>•SOM sequestration reached a steady state after 15 years of conservation tillage.•Vertical gradients of most soil properties increased as tillage intensity decreased.•No effects of tillage systems on soil δ 13C were found.•Soil δ 15N showed that N cycling under fallow is more closed than in tilled soils.
Long-term agricultural management may change soil C sequestration and alter soil C and N dynamics. The objective of this study was to investigate the impact of several tillage regimes with different intensity on C and N stocks in a Calcic Haploxeralf with a leguminous/cereal rotation under semiarid conditions after 15, 18 and 21 years of management. Seven chemical and biochemical properties (total C, total N, δ 13C, δ 15N, FDA hydrolysis, β-glucosidase and urease activities) were measured in a soil (0–5cm, 5–10cm, 10–20cm, 20–30cm) under the following agricultural management: fallow (F), no-tillage (NT), zone-tillage subsoiling with a paraplow (ZT), conventional tillage with mouldboard plow (CT), minimum tillage with chisel plow after NT (MTN) or CT (MTC). The results showed that soil reached a steady state of organic matter sequestration 15 years after starting the experiment and that C and N stocks varied greatly with agricultural management, particularly in the top 0–10cm, and followed the order: F≈NT≈ZT>MTN≈MTC>CT. Fallow and less intensively cultivated soils (NT, ZT) exhibited strong vertical gradients of most properties analyzed (total C, total N, FDA hydrolysis, urease and β-glucosidase activities) with values decreasing with depth, followed by minimum tillage treatments (MTN, MTC) whereas similar values along soil profile were observed in CT treatment. No significant differences in soil δ 13C values were detected among plots with different land use or tillage systems; however, the δ 15N values suggested that, although tillage system did not affect significantly N-cycling processes, a change from “open” to “closed” N cycling occurred when cultivated soils were set aside.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>C stock</subject><subject>Cropping systems. Cultivation. Soil tillage</subject><subject>Fallow</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agronomy. Plant production</subject><subject>N stock</subject><subject>Soil enzymes</subject><subject>Soil science</subject><subject>Soil tillage</subject><subject>Tillage systems</subject><subject>Tillage. Tending. 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Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>C stock</topic><topic>Cropping systems. Cultivation. Soil tillage</topic><topic>Fallow</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agronomy. Plant production</topic><topic>N stock</topic><topic>Soil enzymes</topic><topic>Soil science</topic><topic>Soil tillage</topic><topic>Tillage systems</topic><topic>Tillage. Tending. Growth control</topic><topic>δ 13C</topic><topic>δ 15N</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>González-Prieto, S.</creatorcontrib><creatorcontrib>Díaz-Raviña, M.</creatorcontrib><creatorcontrib>Martín, A.</creatorcontrib><creatorcontrib>López-Fando, C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Soil & tillage research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>González-Prieto, S.</au><au>Díaz-Raviña, M.</au><au>Martín, A.</au><au>López-Fando, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of agricultural management on chemical and biochemical properties of a semiarid soil from central Spain</atitle><jtitle>Soil & tillage research</jtitle><date>2013-11-01</date><risdate>2013</risdate><volume>134</volume><spage>49</spage><epage>55</epage><pages>49-55</pages><issn>0167-1987</issn><eissn>1879-3444</eissn><abstract>•SOM sequestration reached a steady state after 15 years of conservation tillage.•Vertical gradients of most soil properties increased as tillage intensity decreased.•No effects of tillage systems on soil δ 13C were found.•Soil δ 15N showed that N cycling under fallow is more closed than in tilled soils.
Long-term agricultural management may change soil C sequestration and alter soil C and N dynamics. The objective of this study was to investigate the impact of several tillage regimes with different intensity on C and N stocks in a Calcic Haploxeralf with a leguminous/cereal rotation under semiarid conditions after 15, 18 and 21 years of management. Seven chemical and biochemical properties (total C, total N, δ 13C, δ 15N, FDA hydrolysis, β-glucosidase and urease activities) were measured in a soil (0–5cm, 5–10cm, 10–20cm, 20–30cm) under the following agricultural management: fallow (F), no-tillage (NT), zone-tillage subsoiling with a paraplow (ZT), conventional tillage with mouldboard plow (CT), minimum tillage with chisel plow after NT (MTN) or CT (MTC). The results showed that soil reached a steady state of organic matter sequestration 15 years after starting the experiment and that C and N stocks varied greatly with agricultural management, particularly in the top 0–10cm, and followed the order: F≈NT≈ZT>MTN≈MTC>CT. Fallow and less intensively cultivated soils (NT, ZT) exhibited strong vertical gradients of most properties analyzed (total C, total N, FDA hydrolysis, urease and β-glucosidase activities) with values decreasing with depth, followed by minimum tillage treatments (MTN, MTC) whereas similar values along soil profile were observed in CT treatment. No significant differences in soil δ 13C values were detected among plots with different land use or tillage systems; however, the δ 15N values suggested that, although tillage system did not affect significantly N-cycling processes, a change from “open” to “closed” N cycling occurred when cultivated soils were set aside.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.still.2013.07.007</doi><tpages>7</tpages><oa>free_for_read</oa></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Agronomy. Soil science and plant productions Biological and medical sciences C stock Cropping systems. Cultivation. Soil tillage Fallow Fundamental and applied biological sciences. Psychology General agronomy. Plant production N stock Soil enzymes Soil science Soil tillage Tillage systems Tillage. Tending. Growth control δ 13C δ 15N |
| title | Effects of agricultural management on chemical and biochemical properties of a semiarid soil from central Spain |
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