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| 1. |  | NÚÑEZ, L.; HIRIGOYEN, A.; DURANTE, M.; ARROYO, J.; CAZZULI, F.; BREMM, C.; JAURENA, M. What factors control the crude protein content variation of a basaltic "Campos" native grassland of South America? Agronomy, 2022, Volume 12, Issue 8, article 1756. OPEN ACCESS. doi: https://doi.org/10.3390/agronomy12081756 Article history: Received 23 June 2022; Revised 14 July 2022; Accepted 19 July 2022; Published 26 July 2022.
Academic Editors: Edward B. Rayburn, Thomas C. Griggs and Deidre D. Harmon. -- This article belongs to the Special Issue...| Biblioteca(s): INIA Las Brujas. |
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
01/08/2022 |
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Actualizado : |
15/03/2023 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
NÚÑEZ, L.; HIRIGOYEN, A.; DURANTE, M.; ARROYO, J.; CAZZULI, F.; BREMM, C.; JAURENA, M. |
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Afiliación : |
LAURA NÚÑEZ SUÁREZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.; ANDRES EDUARDO HIRIGOYEN DOMINGUEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARTÍN DURANTE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Instituto Nacional de Tecnología Agropecuaria (INTA), Estación Experimental Agropecuaria (EEA) Concepción del Uruguay, Entre Ríos 3260, Argentina; JOSÉ ARROYO MARTÍNEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay.; FIORELLA CARLA CAZZULI ALBA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CAROLINA BREMM, Programa de Pós-Graduação em Zootecnia, Departamento de Plantas Forrageiras e Agrometeorologia, Faculdade de Agronomia, Universidade Federal de Rio Grande do Sul, Porto Alegre 91540-000, Brazil; MARTIN ALEJANDRO JAURENA BARRIOS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
What factors control the crude protein content variation of a basaltic "Campos" native grassland of South America? |
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Fecha de publicación : |
2022 |
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Fuente / Imprenta : |
Agronomy, 2022, Volume 12, Issue 8, article 1756. OPEN ACCESS. doi: https://doi.org/10.3390/agronomy12081756 |
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ISSN : |
2073-4395 (electronic) |
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DOI : |
10.3390/agronomy12081756 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 23 June 2022; Revised 14 July 2022; Accepted 19 July 2022; Published 26 July 2022.
Academic Editors: Edward B. Rayburn, Thomas C. Griggs and Deidre D. Harmon. -- This article belongs to the Special Issue Management of Grasslands: Forage Growth and Nutritive Composition, Livestock Grazing and Performance: https://www.mdpi.com/journal/agronomy/special_issues/forage_growth_livestock_grazing --
Funding: This study was financially supported by the project Decision Support System for Native Grasslands Management of INIA-Uruguay (PA_23); and this research was funded by INIA Uruguay and ANII through a Master of Science scholarship POS_NAC_2017_1_141614 awarded to Laura Núñez. --
LICENSE: License MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/) -- |
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Contenido : |
ABSTRACT.- Native grasslands are the main source of food for livestock in the Campos region of South America. These forage resources are heterogeneous in species composition, grazing management, and soil fertility within a context of variable climate, all of which are factors that affect forage crude protein content over time and space. Despite the importance of protein in livestock nutrition, there is a gap in the knowledge of how fertilisation, sward height, and soil water availability influence the crude protein content of these grasslands. We used data from a long-term fertilisation experiment to construct a structural model aiming to identify the main factors influencing forage crude protein content of a basaltic native grassland in northern Uruguay. The structural model revealed that both fertilisation and the increase in soil water availability (through the improvement of the nitrogen content of green leaves) are the main pathways by which forage crude protein content increases. This new approach (which identifies and quantifies the main factors that drive forage crude protein content of native grasslands) could be used to support prediction models for forage protein content in order to improve grazing livestock nutrition of Campos native grasslands.
Copyright: © 2022 by the authors. |
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Palabras claves : |
Fertilisation; Forage crude protein content; Native grasslands; Soil water availability; Sward height. |
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Asunto categoría : |
A50 Investigación agraria |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/16769/1/agronomy-12-01756-v2.pdf
https://www.mdpi.com/2073-4395/12/8/1756/pdf
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Marc : |
LEADER 03165naa a2200289 a 4500
001 1063477
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008 2022 bl uuuu u00u1 u #d
022 $a2073-4395 (electronic)
024 7 $a10.3390/agronomy12081756$2DOI
100 1 $aNÚÑEZ, L.
245 $aWhat factors control the crude protein content variation of a basaltic "Campos" native grassland of South America?$h[electronic resource]
260 $c2022
500 $aArticle history: Received 23 June 2022; Revised 14 July 2022; Accepted 19 July 2022; Published 26 July 2022. Academic Editors: Edward B. Rayburn, Thomas C. Griggs and Deidre D. Harmon. -- This article belongs to the Special Issue Management of Grasslands: Forage Growth and Nutritive Composition, Livestock Grazing and Performance: https://www.mdpi.com/journal/agronomy/special_issues/forage_growth_livestock_grazing -- Funding: This study was financially supported by the project Decision Support System for Native Grasslands Management of INIA-Uruguay (PA_23); and this research was funded by INIA Uruguay and ANII through a Master of Science scholarship POS_NAC_2017_1_141614 awarded to Laura Núñez. -- LICENSE: License MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/) --
520 $aABSTRACT.- Native grasslands are the main source of food for livestock in the Campos region of South America. These forage resources are heterogeneous in species composition, grazing management, and soil fertility within a context of variable climate, all of which are factors that affect forage crude protein content over time and space. Despite the importance of protein in livestock nutrition, there is a gap in the knowledge of how fertilisation, sward height, and soil water availability influence the crude protein content of these grasslands. We used data from a long-term fertilisation experiment to construct a structural model aiming to identify the main factors influencing forage crude protein content of a basaltic native grassland in northern Uruguay. The structural model revealed that both fertilisation and the increase in soil water availability (through the improvement of the nitrogen content of green leaves) are the main pathways by which forage crude protein content increases. This new approach (which identifies and quantifies the main factors that drive forage crude protein content of native grasslands) could be used to support prediction models for forage protein content in order to improve grazing livestock nutrition of Campos native grasslands. Copyright: © 2022 by the authors.
653 $aFertilisation
653 $aForage crude protein content
653 $aNative grasslands
653 $aSoil water availability
653 $aSward height
700 1 $aHIRIGOYEN, A.
700 1 $aDURANTE, M.
700 1 $aARROYO, J.
700 1 $aCAZZULI, F.
700 1 $aBREMM, C.
700 1 $aJAURENA, M.
773 $tAgronomy, 2022, Volume 12, Issue 8, article 1756. OPEN ACCESS. doi: https://doi.org/10.3390/agronomy12081756
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