The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass

The objective of this study was to evaluate the effect of residual nitrogen (N) on pastures of Mombaça grass and its impact on pasture structure and the nutritive value and performance of beef cattle. The experiment analyzed randomized blocks subdivided into plots, with three replications. The rese...

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Autores principales: Chaves Gurgel, Antonio Leandro, dos Santos Difante, Gelson, Baptaglin Montagner, Denise, Romeiro de Araujo, Alexandre, Pacheco Batista Euclides, Valeria
Formato: Online
Lenguaje:eng
Publicado: Facultad de Ciencias Agrarias-UNCuyo 2021
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Acceso en línea:https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3793
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language eng
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author Chaves Gurgel, Antonio Leandro
dos Santos Difante, Gelson
Baptaglin Montagner, Denise
Romeiro de Araujo, Alexandre
Pacheco Batista Euclides, Valeria
spellingShingle Chaves Gurgel, Antonio Leandro
dos Santos Difante, Gelson
Baptaglin Montagner, Denise
Romeiro de Araujo, Alexandre
Pacheco Batista Euclides, Valeria
The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass
fertilización de pasturas
acumulación de forraje
Panicum maximum
carga animal
pasture fertilization
forage accumulation
Panicum maximum
stocking rate
author_facet Chaves Gurgel, Antonio Leandro
dos Santos Difante, Gelson
Baptaglin Montagner, Denise
Romeiro de Araujo, Alexandre
Pacheco Batista Euclides, Valeria
author_sort Chaves Gurgel, Antonio Leandro
title The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass
title_short The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass
title_full The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass
title_fullStr The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass
title_full_unstemmed The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass
title_sort effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on mombaça grass
description The objective of this study was to evaluate the effect of residual nitrogen (N) on pastures of Mombaça grass and its impact on pasture structure and the nutritive value and performance of beef cattle. The experiment analyzed randomized blocks subdivided into plots, with three replications. The research focused on a number of pastures having received three annual doses of N (100, 200 and 300 kg ha-1) from 2015 to 2017, with no N fertilization in 2018. The results indicated that pastures under residual effect of 300 kg ha-1 of N were characterized by higher (P<0.05) rates of forage accumulation than those under the residual effect of 100 kg ha-1 N. Furthermore, this study indicated no effect (P>0.05) on the pasture nutritive value and average daily gain (0.490 kg day-1). The stocking rate was higher (P<0.05) in pastures under the residual effect of 300 kg ha-1 of N, and lower in those at 100 kg ha-1 of N, while weight gain per area followed the trend observed in the stocking rate. The results thus suggest that the suspension of N fertilization for one year after three years of sequential fertilization was responsible for an immediate loss of 50 and 55% of the productivity of plants and animals, respectively. Highlights: Fundamental nitrogen fertilization to ensure pasture productivity. The use of nitrogen fertilization has been limited by cost, due to the extension of the areas involved and the need for frequent applications. We suspended nitrogen fertilization for one year after using the same doses of nitrogen for three years in order to evaluate a possible residual effect on plant and animal production. Suspending the N fertilization of Mombaça grass for one year after three years of sequential fertilization with the same doses leaves a residual effect on the pasture structure and performance of beef cattle. The suspension of nitrogen fertilization reduces the rate of forage accumulation by an average of 50%, causing a 55% reduction in animal productivity.
publisher Facultad de Ciencias Agrarias-UNCuyo
publishDate 2021
url https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3793
topic fertilización de pasturas
acumulación de forraje
Panicum maximum
carga animal
pasture fertilization
forage accumulation
Panicum maximum
stocking rate
topic_facet fertilización de pasturas
acumulación de forraje
Panicum maximum
carga animal
pasture fertilization
forage accumulation
Panicum maximum
stocking rate
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spelling I11-R107article-37932021-07-07T00:41:58Z The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass The effect of residual nitrogen fertilization on the yield components, forage quality, and performance of beef cattle fed on Mombaça grass Chaves Gurgel, Antonio Leandro dos Santos Difante, Gelson Baptaglin Montagner, Denise Romeiro de Araujo, Alexandre Pacheco Batista Euclides, Valeria fertilización de pasturas acumulación de forraje Panicum maximum carga animal pasture fertilization forage accumulation Panicum maximum stocking rate The objective of this study was to evaluate the effect of residual nitrogen (N) on pastures of Mombaça grass and its impact on pasture structure and the nutritive value and performance of beef cattle. The experiment analyzed randomized blocks subdivided into plots, with three replications. The research focused on a number of pastures having received three annual doses of N (100, 200 and 300 kg ha-1) from 2015 to 2017, with no N fertilization in 2018. The results indicated that pastures under residual effect of 300 kg ha-1 of N were characterized by higher (P<0.05) rates of forage accumulation than those under the residual effect of 100 kg ha-1 N. Furthermore, this study indicated no effect (P>0.05) on the pasture nutritive value and average daily gain (0.490 kg day-1). The stocking rate was higher (P<0.05) in pastures under the residual effect of 300 kg ha-1 of N, and lower in those at 100 kg ha-1 of N, while weight gain per area followed the trend observed in the stocking rate. The results thus suggest that the suspension of N fertilization for one year after three years of sequential fertilization was responsible for an immediate loss of 50 and 55% of the productivity of plants and animals, respectively. Highlights: Fundamental nitrogen fertilization to ensure pasture productivity. The use of nitrogen fertilization has been limited by cost, due to the extension of the areas involved and the need for frequent applications. We suspended nitrogen fertilization for one year after using the same doses of nitrogen for three years in order to evaluate a possible residual effect on plant and animal production. Suspending the N fertilization of Mombaça grass for one year after three years of sequential fertilization with the same doses leaves a residual effect on the pasture structure and performance of beef cattle. The suspension of nitrogen fertilization reduces the rate of forage accumulation by an average of 50%, causing a 55% reduction in animal productivity. The objective of this study was to evaluate the effect of residual nitrogen (N) on pastures of Mombaça grass and its impact on pasture structure and the nutritive value and performance of beef cattle. The experiment analyzed randomized blocks subdivided into plots, with three replications. The research focused on a number of pastures having received three annual doses of N (100, 200 and 300 kg ha-1) from 2015 to 2017, with no N fertilization in 2018. The results indicated that pastures under residual effect of 300 kg ha-1 of N were characterized by higher (P<0.05) rates of forage accumulation than those under the residual effect of 100 kg ha-1 N. Furthermore, this study indicated no effect (P>0.05) on the pasture nutritive value and average daily gain (0.490 kg day-1). The stocking rate was higher (P<0.05) in pastures under the residual effect of 300 kg ha-1 of N, and lower in those at 100 kg ha-1 of N, while weight gain per area followed the trend observed in the stocking rate. The results thus suggest that the suspension of N fertilization for one year after three years of sequential fertilization was responsible for an immediate loss of 50 and 55% of the productivity of plants and animals, respectively. Highlights: Fundamental nitrogen fertilization to ensure pasture productivity. The use of nitrogen fertilization has been limited by cost, due to the extension of the areas involved and the need for frequent applications. We suspended nitrogen fertilization for one year after using the same doses of nitrogen for three years in order to evaluate a possible residual effect on plant and animal production. Suspending the N fertilization of Mombaça grass for one year after three years of sequential fertilization with the same doses leaves a residual effect on the pasture structure and performance of beef cattle. The suspension of nitrogen fertilization reduces the rate of forage accumulation by an average of 50%, causing a 55% reduction in animal productivity. Facultad de Ciencias Agrarias-UNCuyo 2021-07-07 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3793 10.48162/rev.39.029 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 53 No. 1 (2021): January-June; 296-308 Revista de la Facultad de Ciencias Agrarias UNCuyo; Vol. 53 Núm. 1 (2021): Enero-Junio; 296-308 1853-8665 0370-4661 eng https://revistas.uncu.edu.ar/ojs3/index.php/RFCA/article/view/3793/2712 https://creativecommons.org/licenses/by-nc-sa/3.0/deed.es