Complementary irrigation and direct drilling have little effect on soil organic carbon content in semiarid Argentina
Irrigation and tillage modify soil properties. The aim of the present study was to evaluate the simultaneous effect of complementary irrigation and zero tillage [ZT] on soil organic carbon [SOC]. Two treatments [irrigated and rain fed soils] were evaluated in a field experiment set up in Manfredi, C...
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2013giubergia.pdf LINK AL EDITOR |
| Aporte de: | Registro referencial: Solicitar el recurso aquí |
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| 245 | 0 | 0 | |a Complementary irrigation and direct drilling have little effect on soil organic carbon content in semiarid Argentina |
| 520 | |a Irrigation and tillage modify soil properties. The aim of the present study was to evaluate the simultaneous effect of complementary irrigation and zero tillage [ZT] on soil organic carbon [SOC]. Two treatments [irrigated and rain fed soils] were evaluated in a field experiment set up in Manfredi, Córdoba province, Argentina. The soil was grid-sampled at the beginning of the experiment in 1996 and soil organic carbon [SOC], aggregate stability [AS], bulk density [BD], electrical conductivity [EC] and exchangeable sodium percentage [ESP] were determined in 2007. In the irrigated treatment SOC tended to increase on the surface layer in the irrigated experiment. The increase in SOC stock was estimated as 0.221tnC/ha/year but higher C-CO2 emission also occurred. The AS of the surface horizon was higher under irrigation, associated with SOC and soil EC. The quasi-equilibrium in SOC was explained by a greater intake of crop residues counteracted by an increased biological activity in the irrigated soil. | ||
| 653 | 0 | |a COMPLEMENTARY IRRIGATION | |
| 653 | 0 | |a SOIL ORGANIC CARBON | |
| 653 | 0 | |a STRUCTURAL STABILITY | |
| 653 | 0 | |a AGGREGATE STABILITY | |
| 653 | 0 | |a ELECTRICAL CONDUCTIVITY | |
| 653 | 0 | |a EXCHANGEABLE SODIUM PERCENTAGES | |
| 653 | 0 | |a QUASI-EQUILIBRIUM | |
| 653 | 0 | |a SIMULTANEOUS EFFECTS | |
| 653 | 0 | |a STRUCTURAL STABILITIES | |
| 653 | 0 | |a AGRICULTURAL WASTES | |
| 653 | 0 | |a BIOACTIVITY | |
| 653 | 0 | |a CARBON DIOXIDE | |
| 653 | 0 | |a EXPERIMENTS | |
| 653 | 0 | |a SOIL MOISTURE | |
| 653 | 0 | |a STABILITY | |
| 653 | 0 | |a IRRIGATION | |
| 653 | 0 | |a BULK DENSITY | |
| 653 | 0 | |a DRILLING | |
| 653 | 0 | |a ELECTRICAL CONDUCTIVITY | |
| 653 | 0 | |a RAINFED AGRICULTURE | |
| 653 | 0 | |a SEMIARID REGION | |
| 653 | 0 | |a SOIL ORGANIC MATTER | |
| 653 | 0 | |a SOIL PROPERTY | |
| 653 | 0 | |a TILLAGE | |
| 653 | 0 | |a ZERO TILLAGE | |
| 653 | 0 | |a ARGENTINA | |
| 653 | 0 | |a CORDOBA [ARGENTINA] | |
| 700 | 1 | |9 33902 |a Martellotto, Eduardo Enrique | |
| 700 | 1 | |9 24365 |a Lavado, Raúl Silvio | |
| 773 | |t Soil and Tillage Research |g vol.134 (2013), p.147-152 | ||
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| 900 | |a ^tComplementary irrigation and direct drilling have little effect on soil organic carbon content in semiarid Argentina | ||
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| 900 | |a ^aMartellotto^bE. | ||
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| 900 | |a ^aGiubergia^bJ. P. | ||
| 900 | |a ^aMartellotto^bE. E. | ||
| 900 | |a ^aLavado^bR. S. | ||
| 900 | |a | ||
| 900 | |a ^aGiubergia^bJ.P.^tNational Institute for Agricultural Technology [INTA], Manfredi Experimental Station, Ruta 9 km 636, 5988 Manfredi, Córdoba, Argentina | ||
| 900 | |a ^aMartellotto^bE.^tResearch Institute for Biosciences in Agronomy and Environment [INBA], Facultad de Agronomía, Avda. San Martín 4453, Buenos Aires 1417, Argentina | ||
| 900 | |a ^aLavado^bR.S. | ||
| 900 | |a ^aGiubergia, J.P^tNational Institute for Agricultural Technology (INTA), Manfredi Experimental Station, Ruta 9 km 636, 5988 Manfredi, Córdoba, Argentina | ||
| 900 | |a ^aMartellotto, E^tNational Institute for Agricultural Technology (INTA), Manfredi Experimental Station, Ruta 9 km 636, 5988 Manfredi, Córdoba, Argentina | ||
| 900 | |a ^aLavado, R.S^tResearch Institute for Biosciences in Agronomy and Environment (INBA), Facultad de Agronomía, Avda^tSan Martín 4453, Buenos Aires 1417, Argentina | ||
| 900 | |a ^tSoil and Tillage Research^cSoil Tillage Res. | ||
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| 900 | |a Vol. 134 | ||
| 900 | |a 152 | ||
| 900 | |a COMPLEMENTARY IRRIGATION | ||
| 900 | |a SOIL ORGANIC CARBON | ||
| 900 | |a STRUCTURAL STABILITY | ||
| 900 | |a AGGREGATE STABILITY | ||
| 900 | |a ELECTRICAL CONDUCTIVITY | ||
| 900 | |a EXCHANGEABLE SODIUM PERCENTAGES | ||
| 900 | |a QUASI-EQUILIBRIUM | ||
| 900 | |a SIMULTANEOUS EFFECTS | ||
| 900 | |a STRUCTURAL STABILITIES | ||
| 900 | |a AGRICULTURAL WASTES | ||
| 900 | |a BIOACTIVITY | ||
| 900 | |a CARBON DIOXIDE | ||
| 900 | |a EXPERIMENTS | ||
| 900 | |a SOIL MOISTURE | ||
| 900 | |a STABILITY | ||
| 900 | |a IRRIGATION | ||
| 900 | |a BULK DENSITY | ||
| 900 | |a DRILLING | ||
| 900 | |a ELECTRICAL CONDUCTIVITY | ||
| 900 | |a RAINFED AGRICULTURE | ||
| 900 | |a SEMIARID REGION | ||
| 900 | |a SOIL ORGANIC MATTER | ||
| 900 | |a SOIL PROPERTY | ||
| 900 | |a TILLAGE | ||
| 900 | |a ZERO TILLAGE | ||
| 900 | |a ARGENTINA | ||
| 900 | |a CORDOBA [ARGENTINA] | ||
| 900 | |a Irrigation and tillage modify soil properties. The aim of the present study was to evaluate the simultaneous effect of complementary irrigation and zero tillage [ZT] on soil organic carbon [SOC]. Two treatments [irrigated and rain fed soils] were evaluated in a field experiment set up in Manfredi, Córdoba province, Argentina. The soil was grid-sampled at the beginning of the experiment in 1996 and soil organic carbon [SOC], aggregate stability [AS], bulk density [BD], electrical conductivity [EC] and exchangeable sodium percentage [ESP] were determined in 2007. In the irrigated treatment SOC tended to increase on the surface layer in the irrigated experiment. The increase in SOC stock was estimated as 0.221tnC/ha/year but higher C-CO2 emission also occurred. The AS of the surface horizon was higher under irrigation, associated with SOC and soil EC. The quasi-equilibrium in SOC was explained by a greater intake of crop residues counteracted by an increased biological activity in the irrigated soil. | ||
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