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Carbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina]
Soil management affects distribution and the stocks of soil organic carbon and total nitrogen. The aim of this study was to evaluate the effect of different crop sequences and tillage systems on the vertical distribution and stocks of soil carbon and nitrogen. We hypothesized that no-tillage promotes surface organic carbon and total nitrogen accumulation, but does not affect the C and N stocks, when compared with reduced tillage. In addition, the incorporation of maize in the crop sequence increases total organic carbon and total nitrogen stocks. Observations were carried out in 2010 in an experiment located in the semiarid Argentine Pampa, on an Entic Haplustoll. A combination of three tillage systems [no tillage, no tillage with cover crop in winter and reduced tillage] and two crop sequences [soybean-maize and soybean monoculture] were assessed. After 15 years of management treatments, soil samples to a depth of 100. cm at seven intervals, were taken and analyzed for bulk density, organic carbon and total nitrogen. Total organic carbon stock up to a depth of 100. cm showed significant differences between soils under different tillage systems [reduced tillage. . no tillage
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| Subjects: | AGRICULTURAL MACHINERY, AGRONOMY, ARGENTINA, BIOGEOCHEMISTRY, CARBON, CARBON AND NITROGEN, CARBON AND NITROGEN STOCK, COVER CROP, COVER CROPS, CROPS, MAIZE, MONOCULTURE, NITROGEN, NO-TILL, ORGANIC CARBON, PAMPAS, REDUCED TILLAGE, SEMIARID REGION, SEQUESTRATION [CHEMISTRY], SOIL CARBON, SOIL NITROGEN, SOILS, SOYBEAN, TILLAGE, TOTAL ORGANIC CARBON, VERTICAL DISTRIBUTION, , |
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KOHA-OAI-AGRO:471262022-09-20T13:10:48Zhttp://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=47126http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=AAGCarbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina]Alvarez, CarolinaAlvarez, Carina RosaCostantini, Alejandro OscarBasanta, Maríatextspaapplication/pdfSoil management affects distribution and the stocks of soil organic carbon and total nitrogen. The aim of this study was to evaluate the effect of different crop sequences and tillage systems on the vertical distribution and stocks of soil carbon and nitrogen. We hypothesized that no-tillage promotes surface organic carbon and total nitrogen accumulation, but does not affect the C and N stocks, when compared with reduced tillage. In addition, the incorporation of maize in the crop sequence increases total organic carbon and total nitrogen stocks. Observations were carried out in 2010 in an experiment located in the semiarid Argentine Pampa, on an Entic Haplustoll. A combination of three tillage systems [no tillage, no tillage with cover crop in winter and reduced tillage] and two crop sequences [soybean-maize and soybean monoculture] were assessed. After 15 years of management treatments, soil samples to a depth of 100. cm at seven intervals, were taken and analyzed for bulk density, organic carbon and total nitrogen. Total organic carbon stock up to a depth of 100. cm showed significant differences between soils under different tillage systems [reduced tillage. . no tillage Soil management affects distribution and the stocks of soil organic carbon and total nitrogen. The aim of this study was to evaluate the effect of different crop sequences and tillage systems on the vertical distribution and stocks of soil carbon and nitrogen. We hypothesized that no-tillage promotes surface organic carbon and total nitrogen accumulation, but does not affect the C and N stocks, when compared with reduced tillage. In addition, the incorporation of maize in the crop sequence increases total organic carbon and total nitrogen stocks. Observations were carried out in 2010 in an experiment located in the semiarid Argentine Pampa, on an Entic Haplustoll. A combination of three tillage systems [no tillage, no tillage with cover crop in winter and reduced tillage] and two crop sequences [soybean-maize and soybean monoculture] were assessed. After 15 years of management treatments, soil samples to a depth of 100. cm at seven intervals, were taken and analyzed for bulk density, organic carbon and total nitrogen. Total organic carbon stock up to a depth of 100. cm showed significant differences between soils under different tillage systems [reduced tillage. . no tillage AGRICULTURAL MACHINERYAGRONOMYARGENTINABIOGEOCHEMISTRYCARBONCARBON AND NITROGENCARBON AND NITROGEN STOCKCOVER CROPCOVER CROPSCROPSMAIZEMONOCULTURENITROGENNO-TILLORGANIC CARBONPAMPASREDUCED TILLAGESEMIARID REGIONSEQUESTRATION [CHEMISTRY]SOIL CARBONSOIL NITROGENSOILSSOYBEANTILLAGETOTAL ORGANIC CARBONVERTICAL DISTRIBUTIONSoil and Tillage Research |
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AGRICULTURAL MACHINERY AGRONOMY ARGENTINA BIOGEOCHEMISTRY CARBON CARBON AND NITROGEN CARBON AND NITROGEN STOCK COVER CROP COVER CROPS CROPS MAIZE MONOCULTURE NITROGEN NO-TILL ORGANIC CARBON PAMPAS REDUCED TILLAGE SEMIARID REGION SEQUESTRATION [CHEMISTRY] SOIL CARBON SOIL NITROGEN SOILS SOYBEAN TILLAGE TOTAL ORGANIC CARBON VERTICAL DISTRIBUTION AGRICULTURAL MACHINERY AGRONOMY ARGENTINA BIOGEOCHEMISTRY CARBON CARBON AND NITROGEN CARBON AND NITROGEN STOCK COVER CROP COVER CROPS CROPS MAIZE MONOCULTURE NITROGEN NO-TILL ORGANIC CARBON PAMPAS REDUCED TILLAGE SEMIARID REGION SEQUESTRATION [CHEMISTRY] SOIL CARBON SOIL NITROGEN SOILS SOYBEAN TILLAGE TOTAL ORGANIC CARBON VERTICAL DISTRIBUTION |
| spellingShingle |
AGRICULTURAL MACHINERY AGRONOMY ARGENTINA BIOGEOCHEMISTRY CARBON CARBON AND NITROGEN CARBON AND NITROGEN STOCK COVER CROP COVER CROPS CROPS MAIZE MONOCULTURE NITROGEN NO-TILL ORGANIC CARBON PAMPAS REDUCED TILLAGE SEMIARID REGION SEQUESTRATION [CHEMISTRY] SOIL CARBON SOIL NITROGEN SOILS SOYBEAN TILLAGE TOTAL ORGANIC CARBON VERTICAL DISTRIBUTION AGRICULTURAL MACHINERY AGRONOMY ARGENTINA BIOGEOCHEMISTRY CARBON CARBON AND NITROGEN CARBON AND NITROGEN STOCK COVER CROP COVER CROPS CROPS MAIZE MONOCULTURE NITROGEN NO-TILL ORGANIC CARBON PAMPAS REDUCED TILLAGE SEMIARID REGION SEQUESTRATION [CHEMISTRY] SOIL CARBON SOIL NITROGEN SOILS SOYBEAN TILLAGE TOTAL ORGANIC CARBON VERTICAL DISTRIBUTION Alvarez, Carolina Alvarez, Carina Rosa Costantini, Alejandro Oscar Basanta, María Carbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina] |
| description |
Soil management affects distribution and the stocks of soil organic carbon and total nitrogen. The aim of this study was to evaluate the effect of different crop sequences and tillage systems on the vertical distribution and stocks of soil carbon and nitrogen. We hypothesized that no-tillage promotes surface organic carbon and total nitrogen accumulation, but does not affect the C and N stocks, when compared with reduced tillage. In addition, the incorporation of maize in the crop sequence increases total organic carbon and total nitrogen stocks. Observations were carried out in 2010 in an experiment located in the semiarid Argentine Pampa, on an Entic Haplustoll. A combination of three tillage systems [no tillage, no tillage with cover crop in winter and reduced tillage] and two crop sequences [soybean-maize and soybean monoculture] were assessed. After 15 years of management treatments, soil samples to a depth of 100. cm at seven intervals, were taken and analyzed for bulk density, organic carbon and total nitrogen. Total organic carbon stock up to a depth of 100. cm showed significant differences between soils under different tillage systems [reduced tillage. . no tillage |
| format |
Texto |
| topic_facet |
AGRICULTURAL MACHINERY AGRONOMY ARGENTINA BIOGEOCHEMISTRY CARBON CARBON AND NITROGEN CARBON AND NITROGEN STOCK COVER CROP COVER CROPS CROPS MAIZE MONOCULTURE NITROGEN NO-TILL ORGANIC CARBON PAMPAS REDUCED TILLAGE SEMIARID REGION SEQUESTRATION [CHEMISTRY] SOIL CARBON SOIL NITROGEN SOILS SOYBEAN TILLAGE TOTAL ORGANIC CARBON VERTICAL DISTRIBUTION |
| author |
Alvarez, Carolina Alvarez, Carina Rosa Costantini, Alejandro Oscar Basanta, María |
| author_facet |
Alvarez, Carolina Alvarez, Carina Rosa Costantini, Alejandro Oscar Basanta, María |
| author_sort |
Alvarez, Carolina |
| title |
Carbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina] |
| title_short |
Carbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina] |
| title_full |
Carbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina] |
| title_fullStr |
Carbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina] |
| title_full_unstemmed |
Carbon and nitrogen sequestration in soils under different management in the semi - arid Pampa [Argentina] |
| title_sort |
carbon and nitrogen sequestration in soils under different management in the semi - arid pampa [argentina] |
| url |
http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber=47126 http://ceiba.agro.uba.ar/cgi-bin/koha/opac-detail.pl?biblionumber= |
| work_keys_str_mv |
AT alvarezcarolina carbonandnitrogensequestrationinsoilsunderdifferentmanagementinthesemiaridpampaargentina AT alvarezcarinarosa carbonandnitrogensequestrationinsoilsunderdifferentmanagementinthesemiaridpampaargentina AT costantinialejandrooscar carbonandnitrogensequestrationinsoilsunderdifferentmanagementinthesemiaridpampaargentina AT basantamaria carbonandnitrogensequestrationinsoilsunderdifferentmanagementinthesemiaridpampaargentina |
| _version_ |
1756046735190261761 |