Impacts of Nitrogen Management on No‐Till Maize Production Following Forage Cover Crops

Momesso, Letusa; Crusciol, Carlos Alexandre Costa; Soratto, Rogério Peres; Vyn, Tony J.; Tanaka, Katiuça Sueko; Costa, Cláudio Hideo Martins da; Neto, J. F. Teixeira; Cantarella, Heitor

doi:10.2134/agronj2018.03.0201

Cited by 38 publications

(54 citation statements)

References 52 publications

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“…The higher biomass yield of palisade grass led to greater N accumulation at termination due to the faster growth and higher NUE of palisade grass. Contrary to the results of the present study, Pacheco et al (2011) and Momesso et al (2019) found similar N accumulation in the two species despite the higher shoot dry matter yield of palisade grass.…”

Section: Effect Of Nitrogen Application On Forage Grassescontrasting

confidence: 99%

“…When N fertilizer was applied on palisade grass at 40 and 35 DBS in E1, the forage grass produced approximately 14 Mg ha -1 of shoot dry matter and 200 kg ha -1 of accumulated N. These residues and N accumulation promoted higher shoot dry matter and yields of upland rice compared with the conventional method of N application and the control. In contrast to our findings, a study on the same farm in which all N fertilizer was applied on grasses reported a lower grain yield of subsequent maize compared with the conventional recommended N application at seeding and in the V 4 to V 6 growth stage of maize (Momesso et al 2019). Apparently, the response of the subsequent crop to N fertilization on forage grass is dependent on the crop species and its response to N.…”

Section: Effect Of Nitrogen Application On Forage Grassescontrasting

confidence: 99%

“…We aimed to increase forage grass biomass yields in order to release N for the subsequent upland rice crop. Nutrient cycling by forage grasses can help supply the nutrients required by upland rice, as observed by Soratto (2011), Nascente and Stone (2018) and Momesso et al (2019). In both experiments, leaf N concentrations in upland rice leaves were lower in the control than in all treatments with N application; however, even in the control (no N application), the upland rice plants were properly nourished, probably due to the nutrients released by the decomposition of the forage grass residues, since the biomass yields of the control treatments were also high.…”

Section: Effect Of Nitrogen Application On Forage Grassesmentioning

confidence: 99%

“…A previous study showed that applying N fertilizer to forage grasses grown before maize is impracticable because the resulting N immobilization compromises N supply early in the maize crop cycle (Momesso et al 2019). However, the N uptake and N-use efficiency of upland rice differ from those of maize due to the lower N fertilizer rate and N demand of the former (Makino et al 2003).…”

Section: Introductionmentioning

confidence: 99%

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Upland rice yield enhanced by early nitrogen fertilization on previous palisade grass

Momesso

Crusciol

Soratto

et al. 2020

Nutr Cycl Agroecosyst

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High grain yields of upland rice (Oryza sativa L.) can be achieved in no-tillage systems. However, managing nitrogen (N) fertilization for rice in succession to forage grasses is a challenge because forage residues change N cycling and increase microbial immobilization of N, thereby reducing N availability to the subsequent cash crop. In the present study, two field experiments were conducted to determine if applying all or part of the N fertilizer on preceding palisade grass (Urochloa brizantha) and ruzigrass (Urochloa ruziziensis) or their desiccated residues immediately before rice seeding can supply N to the subsequent rice crop. Forage biomass yield (8–16 Mg ha− 1), N accumulation, and N supply to the subsequent upland rice were highest when all of the N fertilizer was applied on forage grasses at 50, 40 or 35 days before rice seeding (DBS), as opposed to the conventional split application at rice seeding and at tillering. On average, the grain yield of upland rice was 54% higher in succession to palisade grass compared with ruzigrass. The grain yield of rice was higher when N was applied to palisade grass at 35 DBS and ruzigrass at 50 DBS, reaching 5.0 Mg ha− 1 and 3.7 Mg ha− 1, respectively. However, applying N to ruzigrass was less effective for increasing upland rice yields since the yields did not differ from the treatments with the conventional split application. Adjusting the time of N application to forage grasses to increase the grain yields of subsequent upland rice is a sustainable alternative that can promote the economic viability of upland rice production.

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Section: Effect Of Nitrogen Application On Forage Grassescontrasting

confidence: 99%

Section: Effect Of Nitrogen Application On Forage Grassescontrasting

confidence: 99%

Section: Effect Of Nitrogen Application On Forage Grassesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Upland rice yield enhanced by early nitrogen fertilization on previous palisade grass

Momesso

Crusciol

Soratto

et al. 2020

Nutr Cycl Agroecosyst

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“…En estos sistemas, una estrategia de implementación consiste en el uso de mezclas de fertilizantes con las semillas forrajeras para la aplicación simultánea de los dos insumos durante o después de la siembra del cultivo principal (LIMA et al, 2010). En la segunda aplicación de los fertilizantes nitrogenados representa un momento adecuado para la siembra de brachiarias, disminuyendo el riesgo de competencia entre el cultivo principal y evitando mermas en el rendimiento del grano, o de la biomasa de cultivo principal durante el ensilado u otra forma de alimentación animal (COSTA et al, 2017;OLIVEIRA et al, 2018;MOMESSO et al, 2019).…”

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SEMILLAS DE Brachiaria ruziziensis EN DIFERENTES TIEMPOS Y NIVELES DE MEZCLA CON UREA PARA LA FORMACIÓN DE PASTO

Amaral¹,

Maciel²,

Pereira³

et al. 2019

Enci Bio

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RESUMENEl cultivo de brachiaria se ha utilizado ampliamente para la implantación de áreas de pasto en sistemas integrados, utilizando fertilización con nitrógeno retardada bajo cubierta para la siembra de maíz. Sin embargo, la mezcla de fertilizantes como la urea promueve una disminución en la calidad fisiológica de la semilla con el tiempo de mezcla. El objetivo de este trabajo fue evaluar los períodos de exposición de las semillas de Brachiaria ruziziensis al contacto prolongado con urea, en tres proporciones de mezcla con fertilizante bajo la viabilidad de la semilla y el vigor de las plántulas. En un experimento de diseño completamente al azar, se evaluó el efecto de seis tiempos (3, 6, 12, 24, 48 y 72 horas) a tres niveles de urea (50, 100 y 150 kg de N ha -1 ) sobre la calidad fisiológica de las semillas. Se verificó el efecto negativo del tiempo y las proporciones de fertilizantes sobre la germinación y el vigor de las semillas. El mayor efecto negativo de la exposición de las semillas a la urea, con aumentos en la inviabilidad de las semillas y disminución de las plántulas normales, ocurre en altas proporciones de fertilizante con semillas y tiempo de mezcla hasta su uso. PALABRAS-LLAVE: Urochloa ruziziensis; Tecnología de semillas; calidad fisiológica. SEMENTES DE BRACHIARIA RUZIZIENSIS SOB DIFERENTES TEMPOS DE CONTATO E NÍVEIS DE MISTURA COM UREIA PARA FORMAÇÃO DE PASTAGEMRESUMO A cultura da braquiária tem sido amplamente utilizada para implantação de áreas de pastagem em sistemas integrados, usando-se para sua semeadura, de forma defasada no milho, adubos nitrogenados em cobertura. Contudo, a mistura de fertilizantes, tais como a ureia, promove um declínio na qualidade fisiológica das sementes ao longo do tempo de mistura. Objetivou-se com o trabalho, avaliar períodos de exposição de sementes de Braquiária ruziziensis ao contato prolongado

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Soil chemical attributes and nutritional status of soybean and maize intercropped with Urochloa under nitrogen rates

Barzan

Jordão²,

Firmano

et al. 2021

Agronomy Journal

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Maize (Zea mays L.) intercropping with forage plants has been adopted with the main goal of promoting benefits on soil physical properties. However, a better understanding of soil chemical attributes and crops nutrition under this system is necessary. The objective was to verify whether intercropping maize with Urochloa ruziziensis (Germ. & Evrard) Crins, a tropical forage grass originating in Africa, associated with N rates, could provide modifications on soil chemical attributes and nutritional status of maize and soybean [Glycine max (L.) Merr.] grown in succession. The experiment was carried out for three agricultural years at field conditions in a Rhodic Hapludox soil under no‐till system in the state of Paraná, Brazil. Fall/winter (March–August) maize cropping systems, sole or intercropped with U. ruziziensis, were associated with four nitrogen (N) rates (0, 40, 80, and 120 kg ha–1 N) applied as ammonium nitrate (30% N). The soil chemical attributes were not influenced by the factors studied. The N rates linearly increased phosphorus (P), sulfur (S), and copper (Cu) concentrations in maize leaves by 29, 30, and 49%, respectively, whereas for soybeans, only the concentration of manganese was raised by 15%. Maize leaf calcium was linearly reduced with N rates only when sole cropped, up to 15%. The cropping systems did not influence nutrient concentrations in soybean leaves; however, maize leaf concentrations of P within 80 and 120 kg ha–1 of N, as well as potassium, S, and Cu at all N rates, were reduced in 9, 6.5, 6.5, and 8%, respectively.

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Impacts of Nitrogen Management on No‐Till Maize Production Following Forage Cover Crops

Cited by 38 publications

References 52 publications

Upland rice yield enhanced by early nitrogen fertilization on previous palisade grass

Upland rice yield enhanced by early nitrogen fertilization on previous palisade grass

SEMILLAS DE Brachiaria ruziziensis EN DIFERENTES TIEMPOS Y NIVELES DE MEZCLA CON UREA PARA LA FORMACIÓN DE PASTO

Soil chemical attributes and nutritional status of soybean and maize intercropped with Urochloa under nitrogen rates

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