Do soil carbon sequestration and soil fertility increase by including a gramineous cover crop in continuous soybean?
Cover cropping is a farming practice that may improve C sequestration and soil fertility, but these effects can vary under different edaphoclimatic conditions. The effects of including a winter gramineous cover crop (CC) in continuous soybeans were evaluated in three long-term experiments (8 yr) on...
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| Acceso en línea: | http://ri.agro.uba.ar/files/intranet/articulo/2021beltran.pdf LINK AL EDITOR |
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| 024 | |a 10.1002/saj2.20257 | ||
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| 245 | 0 | 0 | |a Do soil carbon sequestration and soil fertility increase by including a gramineous cover crop in continuous soybean? |
| 520 | |a Cover cropping is a farming practice that may improve C sequestration and soil fertility, but these effects can vary under different edaphoclimatic conditions. The effects of including a winter gramineous cover crop (CC) in continuous soybeans were evaluated in three long-term experiments (8 yr) on one coarse-textured soil and two finetextured soils in the Pampas region of Argentina. The impacts of CC on soil C sequestration, soil nutrient availability, soil organic C (SOC), and N contents of soil particle size fractions were also determined. The inclusion of CC only increased SOC stock by 3.1 Mg ha-1 in the coarse-textured soil (CTS). The labile C fraction in the 0–5-cm depth increased in both the CTS and the fine-textured soils (FTS) by 263% and 93%, respectively. Soil N also increased in the labile fraction by 119% and 112% when a CC was used in the CTS and FTS soils, respectively. Moreover, the inclusion of a CC decreased soil P availability in one experiment (4.9 kg ha-1) and increased soil manganese in two experiments (11 kg ha-1 on average). The inclusion of a gramineous CC in a soybean monoculture increased the C balance, particularly in coarse-textured soils. Considering that soil N was similarly affected, the C/N ratio was not impacted. | ||
| 650 | |2 Agrovoc |9 26 | ||
| 651 | |a SOIL |9 75505 | ||
| 651 | |a CARBON SEQUESTRATION |9 75506 | ||
| 651 | |a FERTILITY |9 75507 | ||
| 651 | |a GRAMINEOUS |9 75508 | ||
| 653 | |a SOYBEAN | ||
| 700 | 1 | |a Beltrán, Marcelo Javier |u Instituto Nacional de Tecnología Agropecuaria (INTA). Centro de Investigación de Recursos Naturales (CIRN). Instituto de Suelos. Castelar - Hurlingham, Buenos Aires, Argentina. |9 74442 | |
| 700 | 1 | |a Galantini, Juan Alberto |u Universidad Nacional del Sur. Departamento de Agronomía. Centro de Recursos Naturales Renovables de las Zonas Semiáridas (CERZOS). Bahía Blanca, Buenos Aires, Argentina. |9 16073 | |
| 700 | 1 | |a Salvagiotti, Fernando |u Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros (EEA Oliveros). Santa Fe, Argentina. |9 40308 | |
| 700 | 1 | |a Tognetti, Pedro Maximiliano |u Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |u CONICET - Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura (IFEVA). Buenos Aires, Argentina. |9 12692 | |
| 700 | 1 | |a Bacigaluppo, Silvina |u Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros (EEA Oliveros). Santa Fe, Argentina. |9 46113 | |
| 700 | 1 | |a Sainz Rozas, Hernán René |u Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce (EEA Balcarce). Balcarce, Buenos Aires, Argentina. |9 40151 | |
| 700 | 1 | |a Barraco, Miriam |u Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria General Villegas (EEA General Villegas). Buenos Aires, Argentina. |9 75503 | |
| 700 | 1 | |a Barbieri, Pablo Andrés |u Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce (EEA Balcarce). Balcarce, Buenos Aires, Argentina. |9 75504 | |
| 773 | 0 | |t Soil Science Society of America Journal |g Vol.85, no.5 (2021), p.1380-1394, tbls., grafs., mapas |w (AR-BaUFA)SECS000170 | |
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