Response to nitrogen fertilization of late-sown maize upon different winter previous crops
- Autores
- Salvagiotti, Fernando; Caviglia, Octavio; Bacigaluppo, Silvina; Barraco, Miriam Raquel; Boero, Leandro Ruben; Biassoni, María Micaela; Enrico, Juan Martin; Kehoe, Esteban; Eclesia, Roxana Paola; Madias, Andrés; Maltese, Nicolas; Melchiori, Ricardo Jose; Novelli, Leonardo Esteban; Prieto, Gabriel Maria; Ross, Fernando; Ruiz, Alejo; Carciocchi, Walter Daniel
- Año de publicación
- 2025
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Agriculture is transitioning towards more sustainable ways of producing food, fiber, and biofuels, with practices aimed at conserving soil resources by prolonging soil occupation with cash or cover crops and balancing the proportion of cereals and winter legumes when increasing the number of crops in the rotation. Likewise, closing nutrient biogeochemical cycles is critical, particularly for N, which requires adjusting fertilizer rates to avoid surplus or soil mining. Winter crops for grain such as wheat (Triticum aestivum L.), pea (Pisum sativum L.), and for cover such as vetch (Vicia sativa L. or Vicia villosa L.) can differentially affect nitrogen (N) dynamics, yield response to N application, and associated efficiency metrics in succeeding late-sown maize (Zea mays L.). This study aimed to (i) quantify maize yield response to N fertilization by considering productivity, economic, and N efficiency metrics in late-sown maize following fallow or composing a double-crop after winter cash crops (wheat and field pea) or cover crop (vetch) and (ii) test whether vetch biomass can be used to predict the response to N fertilization. Forty on-farm trials were conducted under rainfed conditions in the Pampas region of Argentina during 13 seasons to test different N rates on late-sown maize yields growing after fallow, wheat, pea, or vetch. Maize grain yield was determined, and the agronomic and economic optimum N rates (AONR and EONR, kg fertilizer N ha−1), N use efficiency (NUE, kg of grain yield response per kg of N from fertilizer), and partial factor productivity (PFP, kg of grain produced per kg of N from fertilizer) were calculated. The results showed that (i) wheat caused a higher frequency (86 %) of yield response to N application in maize compared to other scenarios (average 60 %); (ii) no yield response to N was observed when soil N availability at sowing exceeded 175 kg N ha⁻¹ , regardless of the previous crop; (iii) maize following wheat showed the highest AONR and EONR, while maize following pea showed the lowest; (iv) there were no significant differences in NUE among winter crops, but the lowest PFP was observed after wheat; and (v) vetch biomass and N accumulation helped predict the yield response to N fertilization in the succeeding maize. We conclude that winter crops and their characteristics (e.g., wheat yield and vetch biomass) should be considered to fine-tune N fertilizer rates in late-sown maize, promoting the sustainability of the cropping system.
EEA Oliveros
Fil: Salvagiotti, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina
Fil: Salvagiotti, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Caviglia, Octavio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Caviglia, Octavio. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; Argentina
Fil: Bacigaluppo, Silvina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina
Fil: Barraco, Miriam Raquel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria General Villegas; Argentina
Fil: Boero, Leandro Ruben. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Agencia de Extensión Rural Gálvez; Argentina
Fil: Biassoni, Micaela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina
Fil: Enrico, Juan Martin. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina
Fil: Kehoe, Esteban. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Campo Experimental Villarino; Argentina
Fil: Eclesia, Roxana Paola. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; Argentina
Fil: Madias, Andres. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Campo Experimental Villarino; Argentina
Fil: Madias, Andres. AAPRESID; Argentina
Fil: Maltese, Nicolas. Instituto Nacional de Investigación Agropecuaria (INIA). Estación Experimental “Dr. Alberto Boerger”; Uruguay
Fil: Melchiori, Ricardo Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; Argentina
Fil: Novelli, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Novelli, Leonardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; Argentina
Fil: Novelli, Leonardo. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; Argentina
Fil: Prieto, Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina
Fil: Ross, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; Argentina
Fil: Ruiz, Alejo. Iowa State University. Department of Agronomy; Estados Unidos
Fil: Carciochi, Walter. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Carciochi, Walter. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina
Fil: Carciochi, Walter. University of Nebraska-Lincoln. Department of Agronomy and Horticulture; Estados Unidos - Fuente
- European Journal of Agronomy 166 : 127566. (May 2025)
- Materia
-
Maíz
Aplicación de Abonos
Nitrógeno
Abonos Nitrogenados
Fecha de Siembra
Cultivos de Invierno
Maize
Fertilizer Application
Nitrogen
Nitrogen Fertilizers
Sowing Date
Winter Crops - Nivel de accesibilidad
- acceso restringido
- Condiciones de uso
- http://creativecommons.org/licenses/by-nc-sa/4.0/
- Repositorio
.jpg)
- Institución
- Instituto Nacional de Tecnología Agropecuaria
- OAI Identificador
- oai:localhost:20.500.12123/22122
Ver los metadatos del registro completo
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Response to nitrogen fertilization of late-sown maize upon different winter previous cropsSalvagiotti, FernandoCaviglia, OctavioBacigaluppo, SilvinaBarraco, Miriam RaquelBoero, Leandro RubenBiassoni, María MicaelaEnrico, Juan MartinKehoe, EstebanEclesia, Roxana PaolaMadias, AndrésMaltese, NicolasMelchiori, Ricardo JoseNovelli, Leonardo EstebanPrieto, Gabriel MariaRoss, FernandoRuiz, AlejoCarciocchi, Walter DanielMaízAplicación de AbonosNitrógenoAbonos NitrogenadosFecha de SiembraCultivos de InviernoMaizeFertilizer ApplicationNitrogenNitrogen FertilizersSowing DateWinter CropsAgriculture is transitioning towards more sustainable ways of producing food, fiber, and biofuels, with practices aimed at conserving soil resources by prolonging soil occupation with cash or cover crops and balancing the proportion of cereals and winter legumes when increasing the number of crops in the rotation. Likewise, closing nutrient biogeochemical cycles is critical, particularly for N, which requires adjusting fertilizer rates to avoid surplus or soil mining. Winter crops for grain such as wheat (Triticum aestivum L.), pea (Pisum sativum L.), and for cover such as vetch (Vicia sativa L. or Vicia villosa L.) can differentially affect nitrogen (N) dynamics, yield response to N application, and associated efficiency metrics in succeeding late-sown maize (Zea mays L.). This study aimed to (i) quantify maize yield response to N fertilization by considering productivity, economic, and N efficiency metrics in late-sown maize following fallow or composing a double-crop after winter cash crops (wheat and field pea) or cover crop (vetch) and (ii) test whether vetch biomass can be used to predict the response to N fertilization. Forty on-farm trials were conducted under rainfed conditions in the Pampas region of Argentina during 13 seasons to test different N rates on late-sown maize yields growing after fallow, wheat, pea, or vetch. Maize grain yield was determined, and the agronomic and economic optimum N rates (AONR and EONR, kg fertilizer N ha−1), N use efficiency (NUE, kg of grain yield response per kg of N from fertilizer), and partial factor productivity (PFP, kg of grain produced per kg of N from fertilizer) were calculated. The results showed that (i) wheat caused a higher frequency (86 %) of yield response to N application in maize compared to other scenarios (average 60 %); (ii) no yield response to N was observed when soil N availability at sowing exceeded 175 kg N ha⁻¹ , regardless of the previous crop; (iii) maize following wheat showed the highest AONR and EONR, while maize following pea showed the lowest; (iv) there were no significant differences in NUE among winter crops, but the lowest PFP was observed after wheat; and (v) vetch biomass and N accumulation helped predict the yield response to N fertilization in the succeeding maize. We conclude that winter crops and their characteristics (e.g., wheat yield and vetch biomass) should be considered to fine-tune N fertilizer rates in late-sown maize, promoting the sustainability of the cropping system.EEA OliverosFil: Salvagiotti, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; ArgentinaFil: Salvagiotti, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Caviglia, Octavio. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Caviglia, Octavio. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; ArgentinaFil: Bacigaluppo, Silvina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; ArgentinaFil: Barraco, Miriam Raquel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria General Villegas; ArgentinaFil: Boero, Leandro Ruben. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Agencia de Extensión Rural Gálvez; ArgentinaFil: Biassoni, Micaela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; ArgentinaFil: Enrico, Juan Martin. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; ArgentinaFil: Kehoe, Esteban. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Campo Experimental Villarino; ArgentinaFil: Eclesia, Roxana Paola. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; ArgentinaFil: Madias, Andres. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Campo Experimental Villarino; ArgentinaFil: Madias, Andres. AAPRESID; ArgentinaFil: Maltese, Nicolas. Instituto Nacional de Investigación Agropecuaria (INIA). Estación Experimental “Dr. Alberto Boerger”; UruguayFil: Melchiori, Ricardo Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; ArgentinaFil: Novelli, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Novelli, Leonardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; ArgentinaFil: Novelli, Leonardo. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; ArgentinaFil: Prieto, Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; ArgentinaFil: Ross, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; ArgentinaFil: Ruiz, Alejo. Iowa State University. Department of Agronomy; Estados UnidosFil: Carciochi, Walter. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Carciochi, Walter. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; ArgentinaFil: Carciochi, Walter. University of Nebraska-Lincoln. Department of Agronomy and Horticulture; Estados UnidosElsevier2025-04-30T12:51:03Z2025-04-30T12:51:03Z2025-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/22122https://www.sciencedirect.com/science/article/abs/pii/S11610301250006201161-03011873-7331https://doi.org/10.1016/j.eja.2025.127566European Journal of Agronomy 166 : 127566. (May 2025)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repograntAgreement/INTA/PNCER-022421/AR./Diagnostico, reposición de macronutrientes y tecnología de la fertilización.info:eu-repograntAgreement/INTA/PNCYO-1127033/AR./Manejo nutricional de cereales y oleaginosas para la intensificación sustentable de los sistemas productivosinfo:eu-repograntAgreement/INTA/2019-PE-E1-I011-001, Intensificacion Sustentable de la Agricultura en la Region Pampeanainfo:eu-repo/semantics/restrictedAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2025-09-04T09:51:02Zoai:localhost:20.500.12123/22122instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-04 09:51:02.88INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse |
| dc.title.none.fl_str_mv |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops |
| title |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops |
| spellingShingle |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops Salvagiotti, Fernando Maíz Aplicación de Abonos Nitrógeno Abonos Nitrogenados Fecha de Siembra Cultivos de Invierno Maize Fertilizer Application Nitrogen Nitrogen Fertilizers Sowing Date Winter Crops |
| title_short |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops |
| title_full |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops |
| title_fullStr |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops |
| title_full_unstemmed |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops |
| title_sort |
Response to nitrogen fertilization of late-sown maize upon different winter previous crops |
| dc.creator.none.fl_str_mv |
Salvagiotti, Fernando Caviglia, Octavio Bacigaluppo, Silvina Barraco, Miriam Raquel Boero, Leandro Ruben Biassoni, María Micaela Enrico, Juan Martin Kehoe, Esteban Eclesia, Roxana Paola Madias, Andrés Maltese, Nicolas Melchiori, Ricardo Jose Novelli, Leonardo Esteban Prieto, Gabriel Maria Ross, Fernando Ruiz, Alejo Carciocchi, Walter Daniel |
| author |
Salvagiotti, Fernando |
| author_facet |
Salvagiotti, Fernando Caviglia, Octavio Bacigaluppo, Silvina Barraco, Miriam Raquel Boero, Leandro Ruben Biassoni, María Micaela Enrico, Juan Martin Kehoe, Esteban Eclesia, Roxana Paola Madias, Andrés Maltese, Nicolas Melchiori, Ricardo Jose Novelli, Leonardo Esteban Prieto, Gabriel Maria Ross, Fernando Ruiz, Alejo Carciocchi, Walter Daniel |
| author_role |
author |
| author2 |
Caviglia, Octavio Bacigaluppo, Silvina Barraco, Miriam Raquel Boero, Leandro Ruben Biassoni, María Micaela Enrico, Juan Martin Kehoe, Esteban Eclesia, Roxana Paola Madias, Andrés Maltese, Nicolas Melchiori, Ricardo Jose Novelli, Leonardo Esteban Prieto, Gabriel Maria Ross, Fernando Ruiz, Alejo Carciocchi, Walter Daniel |
| author2_role |
author author author author author author author author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Maíz Aplicación de Abonos Nitrógeno Abonos Nitrogenados Fecha de Siembra Cultivos de Invierno Maize Fertilizer Application Nitrogen Nitrogen Fertilizers Sowing Date Winter Crops |
| topic |
Maíz Aplicación de Abonos Nitrógeno Abonos Nitrogenados Fecha de Siembra Cultivos de Invierno Maize Fertilizer Application Nitrogen Nitrogen Fertilizers Sowing Date Winter Crops |
| dc.description.none.fl_txt_mv |
Agriculture is transitioning towards more sustainable ways of producing food, fiber, and biofuels, with practices aimed at conserving soil resources by prolonging soil occupation with cash or cover crops and balancing the proportion of cereals and winter legumes when increasing the number of crops in the rotation. Likewise, closing nutrient biogeochemical cycles is critical, particularly for N, which requires adjusting fertilizer rates to avoid surplus or soil mining. Winter crops for grain such as wheat (Triticum aestivum L.), pea (Pisum sativum L.), and for cover such as vetch (Vicia sativa L. or Vicia villosa L.) can differentially affect nitrogen (N) dynamics, yield response to N application, and associated efficiency metrics in succeeding late-sown maize (Zea mays L.). This study aimed to (i) quantify maize yield response to N fertilization by considering productivity, economic, and N efficiency metrics in late-sown maize following fallow or composing a double-crop after winter cash crops (wheat and field pea) or cover crop (vetch) and (ii) test whether vetch biomass can be used to predict the response to N fertilization. Forty on-farm trials were conducted under rainfed conditions in the Pampas region of Argentina during 13 seasons to test different N rates on late-sown maize yields growing after fallow, wheat, pea, or vetch. Maize grain yield was determined, and the agronomic and economic optimum N rates (AONR and EONR, kg fertilizer N ha−1), N use efficiency (NUE, kg of grain yield response per kg of N from fertilizer), and partial factor productivity (PFP, kg of grain produced per kg of N from fertilizer) were calculated. The results showed that (i) wheat caused a higher frequency (86 %) of yield response to N application in maize compared to other scenarios (average 60 %); (ii) no yield response to N was observed when soil N availability at sowing exceeded 175 kg N ha⁻¹ , regardless of the previous crop; (iii) maize following wheat showed the highest AONR and EONR, while maize following pea showed the lowest; (iv) there were no significant differences in NUE among winter crops, but the lowest PFP was observed after wheat; and (v) vetch biomass and N accumulation helped predict the yield response to N fertilization in the succeeding maize. We conclude that winter crops and their characteristics (e.g., wheat yield and vetch biomass) should be considered to fine-tune N fertilizer rates in late-sown maize, promoting the sustainability of the cropping system. EEA Oliveros Fil: Salvagiotti, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina Fil: Salvagiotti, Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Caviglia, Octavio. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Caviglia, Octavio. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; Argentina Fil: Bacigaluppo, Silvina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina Fil: Barraco, Miriam Raquel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria General Villegas; Argentina Fil: Boero, Leandro Ruben. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Agencia de Extensión Rural Gálvez; Argentina Fil: Biassoni, Micaela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina Fil: Enrico, Juan Martin. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina Fil: Kehoe, Esteban. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Campo Experimental Villarino; Argentina Fil: Eclesia, Roxana Paola. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; Argentina Fil: Madias, Andres. Universidad Nacional de Rosario. Facultad de Ciencias Agrarias. Campo Experimental Villarino; Argentina Fil: Madias, Andres. AAPRESID; Argentina Fil: Maltese, Nicolas. Instituto Nacional de Investigación Agropecuaria (INIA). Estación Experimental “Dr. Alberto Boerger”; Uruguay Fil: Melchiori, Ricardo Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; Argentina Fil: Novelli, Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Novelli, Leonardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Paraná; Argentina Fil: Novelli, Leonardo. Universidad Nacional de Entre Ríos. Facultad de Ciencias Agropecuarias; Argentina Fil: Prieto, Gabriel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Oliveros; Argentina Fil: Ross, Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Barrow; Argentina Fil: Ruiz, Alejo. Iowa State University. Department of Agronomy; Estados Unidos Fil: Carciochi, Walter. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Carciochi, Walter. Universidad Nacional de Mar del Plata. Facultad de Ciencias Agrarias; Argentina Fil: Carciochi, Walter. University of Nebraska-Lincoln. Department of Agronomy and Horticulture; Estados Unidos |
| description |
Agriculture is transitioning towards more sustainable ways of producing food, fiber, and biofuels, with practices aimed at conserving soil resources by prolonging soil occupation with cash or cover crops and balancing the proportion of cereals and winter legumes when increasing the number of crops in the rotation. Likewise, closing nutrient biogeochemical cycles is critical, particularly for N, which requires adjusting fertilizer rates to avoid surplus or soil mining. Winter crops for grain such as wheat (Triticum aestivum L.), pea (Pisum sativum L.), and for cover such as vetch (Vicia sativa L. or Vicia villosa L.) can differentially affect nitrogen (N) dynamics, yield response to N application, and associated efficiency metrics in succeeding late-sown maize (Zea mays L.). This study aimed to (i) quantify maize yield response to N fertilization by considering productivity, economic, and N efficiency metrics in late-sown maize following fallow or composing a double-crop after winter cash crops (wheat and field pea) or cover crop (vetch) and (ii) test whether vetch biomass can be used to predict the response to N fertilization. Forty on-farm trials were conducted under rainfed conditions in the Pampas region of Argentina during 13 seasons to test different N rates on late-sown maize yields growing after fallow, wheat, pea, or vetch. Maize grain yield was determined, and the agronomic and economic optimum N rates (AONR and EONR, kg fertilizer N ha−1), N use efficiency (NUE, kg of grain yield response per kg of N from fertilizer), and partial factor productivity (PFP, kg of grain produced per kg of N from fertilizer) were calculated. The results showed that (i) wheat caused a higher frequency (86 %) of yield response to N application in maize compared to other scenarios (average 60 %); (ii) no yield response to N was observed when soil N availability at sowing exceeded 175 kg N ha⁻¹ , regardless of the previous crop; (iii) maize following wheat showed the highest AONR and EONR, while maize following pea showed the lowest; (iv) there were no significant differences in NUE among winter crops, but the lowest PFP was observed after wheat; and (v) vetch biomass and N accumulation helped predict the yield response to N fertilization in the succeeding maize. We conclude that winter crops and their characteristics (e.g., wheat yield and vetch biomass) should be considered to fine-tune N fertilizer rates in late-sown maize, promoting the sustainability of the cropping system. |
| publishDate |
2025 |
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info:eu-repograntAgreement/INTA/PNCER-022421/AR./Diagnostico, reposición de macronutrientes y tecnología de la fertilización. info:eu-repograntAgreement/INTA/PNCYO-1127033/AR./Manejo nutricional de cereales y oleaginosas para la intensificación sustentable de los sistemas productivos info:eu-repograntAgreement/INTA/2019-PE-E1-I011-001, Intensificacion Sustentable de la Agricultura en la Region Pampeana |
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