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Revista Brasileira de Milho e Sorgo
Article . 2017 . Peer-reviewed
Data sources: Crossref
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Revista Brasileira de Milho e Sorgo
Article . 2016 . Peer-reviewed
Data sources: Crossref
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NITROGEN SIDEDRESS ON SILAGE MAIZE INTERCROPPED WITH MARANDU GRASS

Authors: SIMÉRIO CARLOS SILVA CRUZ; GUILHERME FILGUEIRAS SOARES; TIAGO CAMILO DUARTE; DARLY GERALDO DE SENA JUNIOR; CARLA GOMES MACHADO;

NITROGEN SIDEDRESS ON SILAGE MAIZE INTERCROPPED WITH MARANDU GRASS

Abstract

ABSTRACT - The method used for the establishment of an intercropping system may interfere in the optimal timingof nitrogen sidedress fertilization on maize for silage. Due to this, the aim of this study was to evaluate the effects ofnitrogen sidedress timing on the development and yield of silage maize and Marandu grass grown under irrigation inan intercropping. A split plot randomized blocks design with four replications was used. The plots corresponded to thenitrogen sidedress timing on silage maize (0, 15, 30, 45 and 60 days after sowing, corresponding to the phenologicalstages V3, V5, V7 and R1, respectively). The subplots consisted of two consortium establishment methods, MaranduGrass simultaneously sowed with the maize crop and 30 days after. The simultaneous sowing of silage maize andMarandu grass intercropped, and irrigated favors the grass development and dry mass yield, reducing the yield ofmaize ear green mass and maize total dry mass. The nitrogen fertilization after corn sowing reduced maize silage yieldand favored the forage production of the intercropped Marandu grass.Keywords: Zea mays; Urochloa brizantha cv. Marandu; interspecific competition; integration crop-livestock.ADUBAÇÃO NITROGENADA DE COBERTURA PARA O MILHO SILAGEM CULTIVADO EM CONSÓRCIO COM CAPIM MARANDURESUMO - O método de introdução da forrageira no sistema de consórcio pode interferir no momento ideal para arealização da adubação nitrogenada em cobertura na cultura do milho silagem. Em função disto, objetivou-se avaliaros efeitos de diferentes épocas de adubação nitrogenada em cobertura no desenvolvimento e produtividade da culturado milho silagem e do Capim Marandu, cultivados em consórcio sob irrigação. Utilizou-se delineamento experimentalde blocos ao acaso em parcelas subdivididas, com quatro repetições. As parcelas corresponderam à época de adubaçãonitrogenada em cobertura no milho silagem (0, 15, 30, 45 e 60 dias após semeadura do milho, equivalendo à semeadura,V3, V5, V7 e R1, respectivamente). Nas subparcela, foram testados dois métodos de implantação do consórcio: CapimMarandu semeado simultaneamente à cultura do milho e 30 dias após. A semeadura simultânea do milho silagem edo Capim Marandu, em sistema de consórcio, favoreceu o desenvolvimento e a produção de massa seca do capim,reduzindo a produtividade de massa verde de espigas de milho e massa seca total de plantas. A adubação nitrogenadade cobertura realizada após a semeadura prejudicou a produção de milho silagem e beneficiou o desenvolvimento docapim Marandu cultivado em consórcio.Palavras-chave: Zea mays; Urochloa brizantha cv. Maradu; competição interespecífica; integração lavoura-pecuária.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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