NDLI: DESEMPENHO DE Urochloa brizantha cv Paiaguás INOCULADA COM Azospirillum brasilense E DIFERENTES DOSES NITROGENIO

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DESEMPENHO DE Urochloa brizantha cv Paiaguás INOCULADA COM Azospirillum brasilense E DIFERENTES DOSES NITROGENIO

Content Provider	Semantic Scholar
Author	Rocha, Ana Flávia De Souza Costa, Raoni Ribeiro Guedes Fonseca
Copyright Year	2018
Abstract	Resumo: O Brasil possui aproximadamente 200 milhoes de hectares de pastagens, onde predomina o cultivo da Urochloa brizantha cv Marandu. Alem disso, 70% desta area apresenta algum estagio de degradacao. Desta forma a recuperacao destas pastagens podem envolver a diversificacao de cultivares e o uso integrado de fertilizantes quimicos com bacterias do genero Azospirillum brasilense. O objetivo deste estudo foi avaliar o efeito do Azospirillum brasilense , no desempenho do capim Paiaguas sob diferentes doses de adubacao nitrogenada. O delineamento experimental utilizado foi o de blocos casualizados, com 3 repeticoes e 2 tratamentos: controle (sem inoculante) e o capim-Paiaguas inoculados na semente com Azospirillum brasilense sob cinco doses de fertilizante nitrogenado (0%, 25%, 50%, 75% e 100%), sendo 100% da dose correspondente a 50 kg ha -1 de N na forma de ureia. Verificou-se efeito da inoculacao e doses de N na Uroclhoa brizantha cv Paiaguas quanto ao aumento na altura de plantas (8%), incremento em biomassa fresca (23%), massa da materia seca (56%), teor de clorofila (12%), relacao folha-colmo (20%) e numero de perfilhos (42%). O uso do Azospirillum brasilense proporcionou ganhos significativos no desempenho da Urochloa brizantha cv Paiaguas, indicando a possibilidade de reduzir o uso de fertilizante quimico nitrogenado.
File Format	PDF HTM / HTML
Volume Number	11
Alternate Webpage(s)	https://rv.ifgoiano.edu.br/periodicos/index.php/gst/article/download/1053/628
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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