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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
06/10/2014 |
Actualizado : |
31/07/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Nacionales |
Autor : |
SAWCHIK, J.; PÉREZ BIDEGAIN, M.; GARCÍA, C. |
Afiliación : |
JORGE SAWCHIK PINTOS, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
Título : |
Impact of winter cover crops on soil properties under soybean cropping systems. |
Fecha de publicación : |
2012 |
Fuente / Imprenta : |
In: INTERNATIONAL SOIL TILLAGE RESEARCH ORGANIZATION. 19., SOCIEDAD URUGUAYA DE CIENCIA DEL SUELO, 4., 2012, Montevideo, UY. [Oral presentation]: paper no. 376. Montevideo, UY: ISTRO, 2012. |
Páginas : |
8 p. |
Idioma : |
Inglés |
Notas : |
También publicado en: Agrociencia Uruguay, v. 16, n. especial, p. 288-293, 2012. |
Contenido : |
ABSTRACT.
Agricultural systems in Uruguay exhibit a high frequency of soybean in crop rotations. This could adversely affect soil organic carbon (SOC) storage in the long term. The introduction of winter annual cover crops (CC) in these systems may improve SOC balance as well as reduce the impact of rainfall on soil erosion rates. The objective of this study was to evaluate the impact of the inclusion of CC on SOC storage and soil physical properties under continuous soybean (Glycine max [L.] Merr) cropping systems. A ? eld experiment was established in 2003 in a vertic Argiudoll. A split plot design was used with CC and non CC as whole plot arranged in four randomized complete blocks. Cover crops were: oats (Avena sativa L)., annual ryegrass (Lolium multi? orum L.). Two termination dates comprised split plots: 60 or 30 days before soybean planting. Mean annual forage production over eight years was higher (P ? 0.05) in oats compared to annual ryegrass for both termination dates. The inclusion of CC increased SOC concentration at the 0-7.5 cm depth, and at the 7.5-15 cm depth in the annual ryegrass treatment. Oats and annual ryegrass had 60 and 80 % more particulate organic carbon (POC) concentrations at the 0-7.5 cm, respectively than no cover crop treatment. No signi? cant differences among treatments were observed for mineral associated organic C-MAOM at any depth. Nitrogen mineralization potential under ryegrass had a three-fold increase compared to the no cover crop treatment. Both CC treatments showed a higher (P ? 0.05) percentage of macropores compared to the no cover crop treatment. In most of the years soybean grain yield was not affected by cover crops treatments. However, late termination dates often reduced soybean yields. The inclusion of CC in high frequency soybean cropping systems may enhance soil C storage, and improve related soil physical properties. MenosABSTRACT.
Agricultural systems in Uruguay exhibit a high frequency of soybean in crop rotations. This could adversely affect soil organic carbon (SOC) storage in the long term. The introduction of winter annual cover crops (CC) in these systems may improve SOC balance as well as reduce the impact of rainfall on soil erosion rates. The objective of this study was to evaluate the impact of the inclusion of CC on SOC storage and soil physical properties under continuous soybean (Glycine max [L.] Merr) cropping systems. A ? eld experiment was established in 2003 in a vertic Argiudoll. A split plot design was used with CC and non CC as whole plot arranged in four randomized complete blocks. Cover crops were: oats (Avena sativa L)., annual ryegrass (Lolium multi? orum L.). Two termination dates comprised split plots: 60 or 30 days before soybean planting. Mean annual forage production over eight years was higher (P ? 0.05) in oats compared to annual ryegrass for both termination dates. The inclusion of CC increased SOC concentration at the 0-7.5 cm depth, and at the 7.5-15 cm depth in the annual ryegrass treatment. Oats and annual ryegrass had 60 and 80 % more particulate organic carbon (POC) concentrations at the 0-7.5 cm, respectively than no cover crop treatment. No signi? cant differences among treatments were observed for mineral associated organic C-MAOM at any depth. Nitrogen mineralization potential under ryegrass had a three-fold increase compared to the no cover crop tre... Presentar Todo |
Palabras claves : |
COVER CROPS; CROPPING SYSTEMS; SOIL ORGANIC CARBON. |
Thesagro : |
AGRICULTURA CONTINUA; AVENA SATIVA; CARBONO ORGÁNICO DEL SUELO; CULTIVOS DE COBERTURA INVERNAL; GLYCINE MAX; LOLIUM MULTIFLORUM; SISTEMAS DE CULTIVO. |
Asunto categoría : |
P30 Ciencia del suelo y manejo del suelo |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/12188/1/Agrociencia-ISTRO-2012-3-Sawchik-J..pdf
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Marc : |
LEADER 02951naa a2200289 a 4500 001 1050927 005 2019-07-31 008 2012 bl uuuu u00u1 u #d 100 1 $aSAWCHIK, J. 245 $aImpact of winter cover crops on soil properties under soybean cropping systems.$h[electronic resource] 260 $c2012 300 $a8 p. 500 $aTambién publicado en: Agrociencia Uruguay, v. 16, n. especial, p. 288-293, 2012. 520 $aABSTRACT. Agricultural systems in Uruguay exhibit a high frequency of soybean in crop rotations. This could adversely affect soil organic carbon (SOC) storage in the long term. The introduction of winter annual cover crops (CC) in these systems may improve SOC balance as well as reduce the impact of rainfall on soil erosion rates. The objective of this study was to evaluate the impact of the inclusion of CC on SOC storage and soil physical properties under continuous soybean (Glycine max [L.] Merr) cropping systems. A ? eld experiment was established in 2003 in a vertic Argiudoll. A split plot design was used with CC and non CC as whole plot arranged in four randomized complete blocks. Cover crops were: oats (Avena sativa L)., annual ryegrass (Lolium multi? orum L.). Two termination dates comprised split plots: 60 or 30 days before soybean planting. Mean annual forage production over eight years was higher (P ? 0.05) in oats compared to annual ryegrass for both termination dates. The inclusion of CC increased SOC concentration at the 0-7.5 cm depth, and at the 7.5-15 cm depth in the annual ryegrass treatment. Oats and annual ryegrass had 60 and 80 % more particulate organic carbon (POC) concentrations at the 0-7.5 cm, respectively than no cover crop treatment. No signi? cant differences among treatments were observed for mineral associated organic C-MAOM at any depth. Nitrogen mineralization potential under ryegrass had a three-fold increase compared to the no cover crop treatment. Both CC treatments showed a higher (P ? 0.05) percentage of macropores compared to the no cover crop treatment. In most of the years soybean grain yield was not affected by cover crops treatments. However, late termination dates often reduced soybean yields. The inclusion of CC in high frequency soybean cropping systems may enhance soil C storage, and improve related soil physical properties. 650 $aAGRICULTURA CONTINUA 650 $aAVENA SATIVA 650 $aCARBONO ORGÁNICO DEL SUELO 650 $aCULTIVOS DE COBERTURA INVERNAL 650 $aGLYCINE MAX 650 $aLOLIUM MULTIFLORUM 650 $aSISTEMAS DE CULTIVO 653 $aCOVER CROPS 653 $aCROPPING SYSTEMS 653 $aSOIL ORGANIC CARBON 700 1 $aPÉREZ BIDEGAIN, M. 700 1 $aGARCÍA, C. 773 $tIn: INTERNATIONAL SOIL TILLAGE RESEARCH ORGANIZATION. 19., SOCIEDAD URUGUAYA DE CIENCIA DEL SUELO, 4., 2012, Montevideo, UY. [Oral presentation]: paper no. 376. Montevideo, UY: ISTRO, 2012.
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INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha actual : |
25/09/2014 |
Actualizado : |
04/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
Internacional - -- |
Autor : |
MENDOZA, A.; CRESPI. D.; HERNÁNDEZ, A.; ROURA, N.; VALENTÍN, H.; LA MANNA, A.; CAVESTANY, D. |
Afiliación : |
ALEJANDRO FRANCISCO MENDOZA AGUIAR, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; ALEJANDRO FRANCISCO LA MANNA ALONSO, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; DANIEL CAVESTANY BOCKING, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
Título : |
Effect of dietary supplementation with fish oil during the transition period on milk production, plasma metabolites and postpartum anoestrus interval in grazing dairy cows. |
Fecha de publicación : |
2011 |
Fuente / Imprenta : |
Animal Production Science, v. 51, n. 5, p. 481-489, 2011. |
ISSN : |
1836-0939. |
DOI : |
10.1071/AN10178 |
Idioma : |
Inglés |
Palabras claves : |
ANESTRO POSPARTO; COMPOSICIÓN DE LECHE; PRODUCCIÓN DE LECHE; REPRODUCCIÓN ANIMAL; SUPLEMENTACIÓN; SUPLEMENTACIÓN CON ACEITE DE PESCADO; VACAS LECHERAS. |
Thesagro : |
NUTRICIÓN ANIMAL; PASTOREO; VAQUILLONAS. |
Asunto categoría : |
L51 Fisiología Animal - Nutrición |
Marc : |
LEADER 01043naa a2200325 a 4500 001 1050557 005 2019-10-04 008 2011 bl uuuu u00u1 u #d 022 $a1836-0939. 024 7 $a10.1071/AN10178$2DOI 100 1 $aMENDOZA, A. 245 $aEffect of dietary supplementation with fish oil during the transition period on milk production, plasma metabolites and postpartum anoestrus interval in grazing dairy cows.$h[electronic resource] 260 $c2011 650 $aNUTRICIÓN ANIMAL 650 $aPASTOREO 650 $aVAQUILLONAS 653 $aANESTRO POSPARTO 653 $aCOMPOSICIÓN DE LECHE 653 $aPRODUCCIÓN DE LECHE 653 $aREPRODUCCIÓN ANIMAL 653 $aSUPLEMENTACIÓN 653 $aSUPLEMENTACIÓN CON ACEITE DE PESCADO 653 $aVACAS LECHERAS 700 1 $aCRESPI. D. 700 1 $aHERNÁNDEZ, A. 700 1 $aROURA, N. 700 1 $aVALENTÍN, H. 700 1 $aLA MANNA, A. 700 1 $aCAVESTANY, D. 773 $tAnimal Production Science$gv. 51, n. 5, p. 481-489, 2011.
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