Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects
The reuse of effluents from intensive dairy farms combined with localized irrigation techniques (fertigation) has become a promising alternative to increase crop productivity while reducing the environmental impact of waste accumulation and industrial fertilizers production. Currently, the reuse of...
| Autores principales: | , , , , , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
MDPI
2022
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/12789 https://www.mdpi.com/2076-2615/12/16/2025 https://doi.org/10.3390/ani12162025 |
| _version_ | 1855485045573156864 |
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| author | Lombardi, Banira Orden, Luciano Varela, Patricio Garay, Maximiliano Iocoli, Gastón Alejandro Montenegro, Agustín Rodrigo Sáez-Tovar, José Bustamante, María Ángeles Juliarena, María Paula Moral, Raúl |
| author_browse | Bustamante, María Ángeles Garay, Maximiliano Iocoli, Gastón Alejandro Juliarena, María Paula Lombardi, Banira Montenegro, Agustín Rodrigo Moral, Raúl Orden, Luciano Sáez-Tovar, José Varela, Patricio |
| author_facet | Lombardi, Banira Orden, Luciano Varela, Patricio Garay, Maximiliano Iocoli, Gastón Alejandro Montenegro, Agustín Rodrigo Sáez-Tovar, José Bustamante, María Ángeles Juliarena, María Paula Moral, Raúl |
| author_sort | Lombardi, Banira |
| collection | INTA Digital |
| description | The reuse of effluents from intensive dairy farms combined with localized irrigation techniques (fertigation) has become a promising alternative to increase crop productivity while reducing the environmental impact of waste accumulation and industrial fertilizers production. Currently, the reuse of dairy effluents through fertigation by subsurface drip irrigation (SDI) systems is of vital importance for arid regions but it has been poorly studied. The present study aimed to assess the greenhouse gas (GHG) emissions, soil properties, and crop yield of a maize crop fertigated with either treated dairy effluent or dissolved granulated urea applied through an SDI system at a normalized N application rate of 200 kg N ha−1. Fertilizer application was divided into six fertigation events. GHG fluxes were measured during fertigation (62-day) using static chambers. Soil properties were measured previous to fertilizer applications and at the harvest coinciding with crop yield estimation. A slight increase in soil organic matter was observed in both treatments for the 20–60 cm soil depth. Both treatments also showed similar maize yields, but the dairy effluent increased net GHG emissions more than urea during the fertigation period. Nevertheless, the net GHG emissions from the dairy effluent were lower than the theoretical CO2eq emission that would have been emitted during urea manufacturing or the longer storage of the effluent if it had not been used, showing the need for life-cycle assessments. Local-specific emission factors for N2O were determined (0.07%), which were substantially lower than the default value (0.5%) of IPCC 2019. Thus, the subsurface drip irrigation systems can lead to low GHG emissions, although further studies are needed. |
| format | Artículo |
| id | INTA12789 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | MDPI |
| publisherStr | MDPI |
| record_format | dspace |
| spelling | INTA127892022-09-06T13:51:49Z Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects Lombardi, Banira Orden, Luciano Varela, Patricio Garay, Maximiliano Iocoli, Gastón Alejandro Montenegro, Agustín Rodrigo Sáez-Tovar, José Bustamante, María Ángeles Juliarena, María Paula Moral, Raúl Efluentes Industria Lechera Maíz Fertirrigación Zona Semiárida Medio Ambiente Metano Effluents Dairy Industry Maize Fertigation Semiarid Zones Environment Methane The reuse of effluents from intensive dairy farms combined with localized irrigation techniques (fertigation) has become a promising alternative to increase crop productivity while reducing the environmental impact of waste accumulation and industrial fertilizers production. Currently, the reuse of dairy effluents through fertigation by subsurface drip irrigation (SDI) systems is of vital importance for arid regions but it has been poorly studied. The present study aimed to assess the greenhouse gas (GHG) emissions, soil properties, and crop yield of a maize crop fertigated with either treated dairy effluent or dissolved granulated urea applied through an SDI system at a normalized N application rate of 200 kg N ha−1. Fertilizer application was divided into six fertigation events. GHG fluxes were measured during fertigation (62-day) using static chambers. Soil properties were measured previous to fertilizer applications and at the harvest coinciding with crop yield estimation. A slight increase in soil organic matter was observed in both treatments for the 20–60 cm soil depth. Both treatments also showed similar maize yields, but the dairy effluent increased net GHG emissions more than urea during the fertigation period. Nevertheless, the net GHG emissions from the dairy effluent were lower than the theoretical CO2eq emission that would have been emitted during urea manufacturing or the longer storage of the effluent if it had not been used, showing the need for life-cycle assessments. Local-specific emission factors for N2O were determined (0.07%), which were substantially lower than the default value (0.5%) of IPCC 2019. Thus, the subsurface drip irrigation systems can lead to low GHG emissions, although further studies are needed. EEA Hilario Ascasubi Fil: Lombardi, Banira. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina. Fil: Lombardi, Banira. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina. Fil: Orden, Luciano. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Hilario Ascasubi; Argentina Fil: Orden, Luciano. Universidad Nacional del Sur. Departamento de Agronomía; Argentina Fil: Varela, Patricio. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Hilario Ascasubi; Argentina. Fil: Garay, Maximiliano. Universidad Nacional del Sur. Departamento de Agronomía; Argentina Fil: Iocoli, Gastón Alejandro. Universidad Nacional del Sur. Departamento de Agronomía; Argentina Fil: Montenegro, Agustín Rodrigo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Hilario Ascasubi; Argentina Fil: Sáez-Tovar, José. Universidad Miguel Hernández. Centro de Investigación e Innovación Agroalimentaria y Agroambiental; España Fil: Bustamante, María Ángeles. Universidad Miguel Hernández. Centro de Investigación e Innovación Agroalimentaria y Agroambiental; España Fil: Juliarena, María Paula. Universidad Nacional del Centro de la Provincia de Buenos Aires. Facultad de Ciencias Exactas; Argentina. Fil: Juliarena, María Paula. Universidad Nacional del Centro de la Provincia de Buenos Aires. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina. Fil: Juliarena, María Paula. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones en Física e Ingeniería del Centro de la Provincia de Buenos Aires; Argentina. Fil: Moral, Raúl. Universidad Miguel Hernández. Centro de Investigación e Innovación Agroalimentaria y Agroambiental; España 2022-09-06T13:47:28Z 2022-09-06T13:47:28Z 2022-08 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/12789 https://www.mdpi.com/2076-2615/12/16/2025 2076-2615 https://doi.org/10.3390/ani12162025 eng info:eu-repograntAgreement/INTA/2019-PD-E2-I518-002/2019-PD-E2-I518-002/AR./Estudio del impacto ambiental, gestión y tratamiento de residuos y efluentes sobre sistemas agropecuarios y agroindustriales para su valorización agronómica info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf MDPI Animals 12 (16) : 2025 (August 2022) |
| spellingShingle | Efluentes Industria Lechera Maíz Fertirrigación Zona Semiárida Medio Ambiente Metano Effluents Dairy Industry Maize Fertigation Semiarid Zones Environment Methane Lombardi, Banira Orden, Luciano Varela, Patricio Garay, Maximiliano Iocoli, Gastón Alejandro Montenegro, Agustín Rodrigo Sáez-Tovar, José Bustamante, María Ángeles Juliarena, María Paula Moral, Raúl Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects |
| title | Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects |
| title_full | Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects |
| title_fullStr | Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects |
| title_full_unstemmed | Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects |
| title_short | Is Dairy Effluent an Alternative for Maize Crop Fertigation in Semiarid Regions? An Approach to Agronomic and Environmental Effects |
| title_sort | is dairy effluent an alternative for maize crop fertigation in semiarid regions an approach to agronomic and environmental effects |
| topic | Efluentes Industria Lechera Maíz Fertirrigación Zona Semiárida Medio Ambiente Metano Effluents Dairy Industry Maize Fertigation Semiarid Zones Environment Methane |
| url | http://hdl.handle.net/20.500.12123/12789 https://www.mdpi.com/2076-2615/12/16/2025 https://doi.org/10.3390/ani12162025 |
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