Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn

Changes in corn cultural management have allowed us to explore the crop capabilities and improve the sustainability of our soils. The objective of this work was to assess the effect of nitrogen fertilization on yield, grain weight, and test weight of corn sown at different dates. The trial was carri...

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Autores principales: Incremona , Miriam Etel, González, Alicia, Romagnoli, Miriam Susana, Papucci, Santiago, Tuttolomondo, Gabriel
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Ciencias Agronómicas - UNR 2022
Materias:
ambiente
manejo
número de granos
environment
crop management
grain number
manuseio
número de grãos
Acceso en línea:https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/4
Aporte de:
Ciencias Agronómicas de Universidad Nacional de Rosario
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record_format ojs
institution Universidad Nacional de Rosario
institution_str I-15
repository_str R-223
container_title_str Ciencias Agronómicas
language Español
format Artículo revista
topic ambiente
manejo
número de granos
environment
crop management
grain number
ambiente
manuseio
número de grãos
spellingShingle ambiente
manejo
número de granos
environment
crop management
grain number
ambiente
manuseio
número de grãos
Incremona , Miriam Etel
González, Alicia
Romagnoli, Miriam Susana
Papucci, Santiago
Tuttolomondo, Gabriel
Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn
topic_facet ambiente
manejo
número de granos
environment
crop management
grain number
ambiente
manuseio
número de grãos
author Incremona , Miriam Etel
González, Alicia
Romagnoli, Miriam Susana
Papucci, Santiago
Tuttolomondo, Gabriel
author_facet Incremona , Miriam Etel
González, Alicia
Romagnoli, Miriam Susana
Papucci, Santiago
Tuttolomondo, Gabriel
author_sort Incremona , Miriam Etel
title Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn
title_short Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn
title_full Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn
title_fullStr Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn
title_full_unstemmed Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn
title_sort effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn
description Changes in corn cultural management have allowed us to explore the crop capabilities and improve the sustainability of our soils. The objective of this work was to assess the effect of nitrogen fertilization on yield, grain weight, and test weight of corn sown at different dates. The trial was carried out using a randomized complete block design: three growing seasons (2015-16, 2016-17 and 2018-19), and three sowing dates per growing season. The treatments were three levels of nitrogen: N0 (no added N); N75 (75kg N.ha-1 ), and N150 (150 kg N.ha-1), in V5 –V7. In the evaluated growing seasons, rainfall during the critical period was higher in late corn than in early corn, and average air temperatures were lower. Late corn had the lowest yields (Y). Water availability was the limiting factor. Mean yields (MY) were similar in 2015-16 and 2018-19, but 21% lower in 2016-17 than in 2018-19. In 2015-16 and 2016-17, similar mean yields were obtained with N150 and N75 treatments. N0 showed a significantly lower MY than the other nitrogen levels. In 2018-19, the MY for each of the nitrogen treatments differed significantly from the other levels analyzed. The positive response to nitrogen fertilization was correlated with environmental conditions. Under the evaluated conditions, late corn was a valid option to improve water availability for the crop. Despite the low relative yields obtained, late sowing allowed a better use of resources.
publisher Facultad de Ciencias Agronómicas - UNR
publishDate 2022
url https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/4
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spelling I15-R223-article-42022-12-19T13:32:37Z Effect of nitrogen fertilization on yield, grain weight and test weight of early and late corn Efecto de la fertilización nitrogenada en siembras tempranas y tardías de maíz sobre el rendimiento, el peso de granos y el peso hectolítrico Efeito da fertilização nitrogenada na semeadura de milho precoce e tardia sobre o rendimento, o peso dos grãos e o peso Incremona , Miriam Etel González, Alicia Romagnoli, Miriam Susana Papucci, Santiago Tuttolomondo, Gabriel ambiente manejo número de granos environment crop management grain number ambiente manuseio número de grãos Changes in corn cultural management have allowed us to explore the crop capabilities and improve the sustainability of our soils. The objective of this work was to assess the effect of nitrogen fertilization on yield, grain weight, and test weight of corn sown at different dates. The trial was carried out using a randomized complete block design: three growing seasons (2015-16, 2016-17 and 2018-19), and three sowing dates per growing season. The treatments were three levels of nitrogen: N0 (no added N); N75 (75kg N.ha-1 ), and N150 (150 kg N.ha-1), in V5 –V7. In the evaluated growing seasons, rainfall during the critical period was higher in late corn than in early corn, and average air temperatures were lower. Late corn had the lowest yields (Y). Water availability was the limiting factor. Mean yields (MY) were similar in 2015-16 and 2018-19, but 21% lower in 2016-17 than in 2018-19. In 2015-16 and 2016-17, similar mean yields were obtained with N150 and N75 treatments. N0 showed a significantly lower MY than the other nitrogen levels. In 2018-19, the MY for each of the nitrogen treatments differed significantly from the other levels analyzed. The positive response to nitrogen fertilization was correlated with environmental conditions. Under the evaluated conditions, late corn was a valid option to improve water availability for the crop. Despite the low relative yields obtained, late sowing allowed a better use of resources. En el cultivo de maíz, el manejo cultural ha ido modificándose, permitiendo explorar las capacidades del cultivo y mejorar la sustentabilidad de nuestros suelos. El objetivo fue evaluar el efecto de la fertilización nitrogenada en diferentes momentos de siembra, sobre el rendimiento, peso del grano y peso hectolítrico. El ensayo se llevó a cabo con un diseño en bloques completos aleatorizados: tres campañas (C) (15/16, 16/17 y 18/19) y en tres fechas de siembra por campaña. Los tratamientos fueron tres niveles de nitrógeno: N0: sin agregado de N; N75: 75kg N.ha-1 y N150: 150 kg N. ha-1, en V5 –V7. En las campañas evaluadas, las precipitaciones en el período crítico fueron mayores en el Maíz tardío con respecto al Maíz temprano, y las temperaturas medias del aire más bajas. El Maíz de segunda fue el que más bajos rendimientos (R) presentó. La disponibilidad hídrica fue la limitante. Los rendimientos medios (Rm) en las C15/16 y C18/19 no difirieron entre sí, mientras que la C16/17 fue un 21% menor que la C18/19. La C15/16 y C16/17, los tratamientos N150 y N75 presentaron Rm similares. El N0 mostró un Rm significativamente menor que los otros niveles de nitrógeno. En la C18/19, el Rm de cada uno de los niveles de nitrógeno aplicado difirió significativamente de los otros niveles analizados. Hubo una respuesta positiva frente a la fertilización nitrogenada pero correlacionada con el ambiente. En las condiciones evaluadas, el maíz tardío constituyó una opción válida para presentar una mejor disponibilidad hídrica del cultivo. Los maíces de segunda, a pesar de sus bajos rendimientos relativos representaron una opción aceptada para un mayor aprovechamiento de recursos No cultivo do milho, os tratos culturais vem mudando, permitindo-nos explorar as capacidades da cultura e melhorar a sustentabilidade dos nossos solos. Objetivou-se avaliar o efeito da fertilização com nitrogênio, em diferentes momentos de semeadura, sobre o rendimento, peso de grãos e peso hectolítrico. O experimento foi realizado em blocos completos de maneira aleatória: três campanhas (C) (15/16, 16/17 e 18/19) e em três datas de semeadura por campanha. Os tratamentos foram três níveis de nitrogênio: N0: sem adição de N; N75: 75 kg N.ha-1 e N150: 150 kg N.ha-1, em V5 –V7. Nas campanhas avaliadas, as precipitações no período crítico foram maiores no Milho tardio em relação ao Milho precoce, e as temperaturas médias do ar foram menores. O milho de segunda classe foi o que apresentou os menores rendimentos (R). A disponibilidade hídrica foi o fator limitante. Os rendimentos médios (Rm) nas C15/16 e C18/19 não diferiram entre si, enquanto a C16/17 foi 21% inferior à C18/19. Nas C15/16 e C16/17, os tratamentos N150 e N75 apresentaram Rm semelhantes. O N0 mostrou um Rm significativamente menor do que os outros níveis de nitrogênio. Na C18/19, o Rm de cada um dos níveis de nitrogênio aplicado diferiu significativamente dos demais níveis analisados. Houve uma resposta positiva à fertilização nitrogenada, mas correlacionada com o ambiente. Nas condições avaliadas, o milho tardio foi uma opção válida para apresentar uma melhor disponibilidade hídrica da cultura. O milho de segunda classe, apesar de seus baixos rendimentos relativos, representou uma opção aceita para um melhor uso dos recursos. Facultad de Ciencias Agronómicas - UNR 2022-04-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion text/html application/pdf https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/4 10.35305/agro39.e016 Ciencias Agronómicas; Núm. 39 (22): 2022; e016 2250-8872 1853-4333 spa https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/4/4 https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/4/5 Derechos de autor 2022 Miriam Etel Incremona https://creativecommons.org/licenses/by-nc-nd/4.0/

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