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20 perguntas e respostas sobre fixação biológica de nitrogênio. Infoteca-e
MENDES, I. de C.; REIS JUNIOR, F. B. dos; CUNHA, M. H. da.
2010
Tipo: Documentos (INFOTECA-E) Palavras-chave: Nitrogênio; Fixação; Inoculação; Diazotrophic bacteria; Inoculant; Nitrogen fixation.
Ano: 2010 URL: http://www.infoteca.cnptia.embrapa.br/handle/doc/883833
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Adição de molibdênio ao inoculante turfoso com bactérias diazotróficas usado em duas cultivares de arroz irrigado. Repositório Alice
GUIMARÃES, S. L.; BALDANI, J. I.; BALDANI, V. L. D.; JACOB-NETO, J..
O objetivo deste trabalho foi avaliar o efeito da utilização de bactérias diazotróficas com ou sem molibdênio em duas cultivares de arroz com diferentes potenciais de fixação biológica de nitrogênio. Dois experimentos foram montados: o primeiro foi conduzido em condições gnotobióticas, com utilização das estirpes BR 11417 (ZAE94 ? Herbaspirillum seropedicae) e BR 11340 (M130 ? Burkholderia sp.), duas doses de molibdênio, 1,12 e 2,25 g, e duas fontes, molibdato de sódio e molibdato de amônio. As sementes foram peletizadas com inoculante turfoso com bactérias diazotróficas e o molibdênio. Em seguida as cultivares foram plantadas em tubos de ensaio com capacidade para 120 mL com 60 mL da solução de Hoagland sem nitrogênio por 30 dias. Foi avaliada a matéria...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Arroz irrigado; Bactéria diazotrófica; Molibdênio; Mo; Oryza sativa; Herbaspirillum seropedicae; Burkholderia; Irrigated rice; Diazotrophic bacteria; Molybdenum.
Ano: 2007 URL: http://www.alice.cnptia.embrapa.br/handle/doc/629414
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Agronomic performance and sweet corn quality as a function of inoculant doses (Azospirillum brasilense) and nitrogen fertilization management in summer harvest Bragantia
Numoto,Alberto Yuji; Vidigal Filho,Pedro Soares; Scapim,Carlos Alberto; Franco,Antônio Augusto Nogueira; Ortiz,Alex Henrique Tiene; Marques,Odair José; Pelloso,Murilo Fuentes.
ABSTRACT The inoculation of sweet corn seeds with Azospirillum brasilense in association to nitrogen fertilizer may be an agronomic alternative for increasing the crop yield and net income of plant growers. Therefore, the aim of this study was to investigate the effect of the different doses of inoculant (Azospirillum brasilense) associated to the nitrogen fertilization management on the phenotypic traits of one sweet corn hybrid in summer growing periods, under supplemental irrigation, in the Northwestern Paraná state, Brazil. The experiment followed the complete randomized block design with four replications. The treatments were: i) five inoculant doses (0.0, 50, 100, 150 and200 mL∙ha–1) containing Azospirillum brasilense; ii) two N doses (0.0 and 30.0...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays; Shrunken-2; Diazotrophic bacteria; Ear yield.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0006-87052019000100026
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Application methods of Azospirillum brasilense in first- and second-crop corn AGRIAMBI
Alvarez,Rita de C. F.; Benetão,Jamile; Barzotto,Gustavo R.; Andrade,Maria G. de O.; Lima,Sebastião F. de.
ABSTRACT This study investigated whether inoculation of Azospirillum brasilense in the seeds or sowing furrow could reduce the need for nitrogen fertilizer application in the corn grown in the first and second crop harvest. The experiments were conducted, in the municipality of Chapadão do Sul, MS, Brazil, in the first crop harvest (2014/2015) and in the second crop harvest (2016). The early maturity hybrids CD 384 HX and P3132H were used in the first and in the second harvest corn, respectively. In both experiments, the experimental design was the randomized blocks with eight treatments and three repetitions. At the silking (R1 stage), the leaf N concentration, relative chlorophyll index and nitrate reductase activity were measured, at the physiological...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays; Diazotrophic bacteria; Nitrogen concentration; Nitrate reductase activity.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662019001100840
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Azospirillum spp. from native forage grasses in Brazilian Pantanal floodplain: biodiversity and plant growth promotion potential. Repositório Alice
SOUZA, M. S. T.; BAURA, V. A. de; SANTOS, S. A.; FERNANDES JUNIOR, P. I.; REIS JUNIOR, F. B. dos; MARQUES, M. R.; PAGGI, G. M.; BRASIL, M. da S..
A sustainable alternative to improve yield and the nutritive value of forage is the use of plant growth promoting bacteria (PGPB) that release nutrients, synthesize plant hormones and protect against phytopathogens (among other mechanisms). Azospirillum genus is considered an important PGPB, due to the beneficial effects observed when inoculated in several plants. The aim of this study was to evaluate the diversity of new Azospirillum isolates and select bacteria according to the plant growth promotion ability in three forage species from the Brazilian Pantanal floodplain: Axonopus purpusii, Hymenachne amplexicaulis and Mesosetum chaseae. The identification of bacterial isolates was performed using specific primers for Azospirillum in PCR reactions and...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Azospirillum brasilense; FBN; Fixação biológica de nitrogênio; Planta; Biodiversidade; Bacteria; Graminea; Biological nitrogen fixation; Diazotrophic bacteria.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1068877
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Bioprospecting and selection of growth-promoting bacteria for Cymbidium sp. orchids Scientia Agricola
Gontijo,Júlia Brandão; Andrade,Gracielle Vidal Silva; Baldotto,Marihus Altoé; Baldotto,Lílian Estrela Borges.
ABSTRACT: Inoculants containing bacteria which promote growth in plants can increase productivity and both the economic and the environmental cost in plant crop systems. Similarly, in the flower and ornamental plant sector, the use of diazotrophic bacteria is a promising approach for improving orchid propagation from tissue culture to the ex vitro environment. We isolated diazotrophic bacteria from the roots and leaves of Cymbidium sp. The isolates were used to inoculate Cymbidium sp. plantlets during acclimatization in the nursery. After 150 days, plants were collected and their morphological and nutritional characteristics assessed. Eight bacterial strains were isolated containing traits that promote plant growth: Bacillus thuringiensis, Burkholderia...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Orchidaceae; Diazotrophic bacteria; Phosphate-solubilizing bacteria; Endophytic bacteria; Acclimatization.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000500368
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Characterization of plant growth-promoting bacteria inhabiting Vriesea gigantea Gaud. and Tillandsia aeranthos (Loiseleur) L.B. Smith (Bromeliaceae) Biota Neotropica
Giongo,Adriana; Beneduzi,Anelise; Gano,Kelsey; Vargas,Luciano Kayser; Utz,Laura; Passaglia,Luciane Maria Pereira.
Microorganisms that live inside and around a plant can supply it with essential substances, such as phytohormones and essential nutrients. The present investigation aimed to isolate and characterize the phyllosphere, the endophytic, and the water tank bacteria associated with Vriesea gigantea and Tillandsia aeranthos. The bacteria were tested for siderophore and indole-3-acetic acid (IAA) production, phosphate solubilization, and presence of the nif H gene. Genetic diversity of the bacterial isolates was evaluated by rep-PCR. Sixty-eight bacterial strains were isolated from 3 different microhabitats of V. gigantea and from 2 microhabitats of T. aeranthos bromeliad plants. Gram-positive, spore-forming bacilli comprised most bacterial isolates. All isolates...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Bromeliads; PGPB; Diazotrophic bacteria; Water tank; Siderophore; IAA.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032013000300080
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Combination of inoculation methods of Azospirilum brasilense with broadcasting of nitrogen fertilizer increases corn yield Ciência Rural
Müller,Tânia Maria; Sandini,Itacir Eloi; Rodrigues,João Domingos; Novakowiski,Jaqueline Huzar; Basi,Simone; Kaminski,Tatyanna Hyczy.
Nitrogen (N) is the most limiting nutrient for corn production. Thereby, the goal of the paper was to evaluate inoculation methods of Azospirillum brasilense in order to partially supply N required by the crop. The experiment was carried out in Guarapuava, PR, Brasil, in 2011/2012 growing season. Randomized blocks with factorial 3 inoculation methods (seed treatment, planting furrow and non-inoculated control) x 5 doses of nitrogen (0, 75, 150, 225 and 300kg ha-1) x 8 replications was used as the experimental design. Leaf are index, foliar nitrogen content, total chlorophyll, grains per ear and yield were evaluated. There was significant interaction between inoculation methods and nitrogen fertilization to leaf area index, but not for yield. Inoculation...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nitrogen fertilization; Diazotrophic bacteria; Seed treatment; Planting furrow.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000200210
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Doses and forms of Azospirillum brasilense inoculation on maize crop AGRIAMBI
Santini,José M. K.; Buzetti,Salatiér; Teixeira Filho,Marcelo C. M.; Galindo,Fernando S.; Coaguila,Daniel N.; Boleta,Eduardo H. M..
ABSTRACT In search of a more sustainable agriculture, the use of beneficial microorganisms has been highlighted, because they are low-cost and can reduce the use of fertilizers and increase grain yield. The present study aimed to evaluate the efficiency of A. brasilense inoculation and the best form and dose of inoculation in maize, measuring the impact on some physical characteristics and on its nutrition. The experiment was conducted in a greenhouse, in Ilha Solteira, SP, Brazil, in a completely randomized design, with four replicates and eight treatments: 1) control; 2) Seed 1x; 3) Seed 2x; 4) Soil 1x; 5) Soil 2x; 6) Leaf 1x; 7) Leaf 2x; 8) Seed 1x + Leaf 1x, respectively representing in each treatment the site and dose of application (1x, dose...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diazotrophic bacteria; Plant growth promoters; Plant nutrition; Zea mays L..
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662018000600373
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Efeito da inoculação de Azospirillum e Herbaspirillum na produção de compostos indólicos em plântulas de milho e arroz. Repositório Alice
RADWAN, T.E-S.E-D.; MOHAMED, Z.K.; REIS, V.M..
Bactérias fixadoras de nitrogênio podem contribuir para o crescimento vegetal pela produção de auxinas. Os objetivos deste trabalho foram quantificar a produção de hormônios de crescimento por estirpes de bactérias fixadoras de nitrogênio e avaliar o efeito da inoculação destas estirpes em plântulas de milho e trigo. Todas as estirpes avaliadas começaram a produzir indóis no final da fase logarítmica. Houve efeito da adição de diferentes concentrações de triptofano ao meio de cultivo no aumento da produção de indóis até o nível de 200 M. Nas estirpes de Azospirillum, as formas de N: NH4Cl, (NH4)2SO4, NH4H2PO4 e NH4NO3 estimularam a produção de indóis em níveis baixos. A adição de KNO3, NaNO3 e KNO2 inibiu a produção de indóis em todas as bactérias testadas...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bactérias diazotróficas; Ácido 3-indolacético; Fitormônios; Fixação biológica de nitrogênio; Diazotrophic bacteria; Indole-3-acetic acid; Phytohormones; Biological nitrogen fixation.
Ano: 2004 URL: http://www.alice.cnptia.embrapa.br/handle/doc/112541
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Effect of seed inoculation with Azospirillum brasilense and nitrogen fertilization rates on maize plant yield and silage quality R. Bras. Zootec.
Skonieski,Fernando Reimann; Viégas,Julio; Martin,Thomas Newton; Nörnberg,José Laerte; Meinerz,Gilmar Roberto; Tonin,Tiago João; Bernhard,Priscila; Frata,Marcela Tostes.
ABSTRACT The objective of this study was to determine the effect of Azospirillum brasilense inoculation and different nitrogen (N) rates applied as topdressing on the productivity of a maize crop and the nutritional value of maize silage. Two experiments were conducted in the 2012/2013 and 2013/2014 harvests. Treatments were distributed in a randomized block design in a factorial arrangement, which consisted of two maize hybrids (AS 1572 and Defender) coupled with nitrogen rates (0, 60, 120, 240, and 480 kg ha-1), inoculated or uninoculated with A. brasilense. Inoculated seeds were treated with the A. brasilense strains Ab-V5 and Ab-V6. Inoculation with A. brasilense showed interaction with the hybrids, agricultural years, and nitrogen rates for the maize...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diazotrophic bacteria; Morphological composition; Nitrogen fertilization; Nutritional value; Silage yield.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-35982017000900722
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Evolution of nutrient availability in maturation phase of composting using proportions of different residues inoculated with Beijerinckia indica Agronomy
Sousa, Lusiene Barbosa; Stamford, Newton Pereira; Oliveira, Wagner Silva; Silva, Emmanuella Vila Nova; Martins, Marllon dos Santos; Santos, Carolina Etienne Rosália e Silva.
Organic matter has low N content; however, organic matter may be enriched by inoculation with selected diazotrophic bacteria. The aim of the paper was to evaluate the effects of biofertilizer produced by mixing different types and proportions of organic matter inoculated with the diazotrophic bacteria Beijerinckia indica. The experiment consisted of plastic trays (6 L) containing 5 kg of three different types of organic matter (filter mud cake, earthworm compost, and crop residue) applied in the following proportions (v:v:v): 1-(5:0:0), 2-(4:1:0), 3-(4:0:1), 4-(3:2:0), 5-(3:1:1), 6-(3:0:2), 7-(2:3:0), 8-(2:2:1), 9-(2:1:2), 10-(2:0:3), 11-(1:4:0), 12-(1:3:1), 13-(1:2:2), 14-(1:1:3), 15-(1:0:4), 16-(0:5:0), 17-(0:4:1), 18-(0:1:4), 19-(0:3:2), 20-(0:2:3), and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acidithiobacillus; Diazotrophic bacteria; Earthworm compost; Plant residue; Sugarcane filter mud cake.; Microbiologia e Bioquímica do Solo.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35504
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Evolution of nutrient availability in maturation phase of composting using proportions of different residues inoculated with Beijerinckia indica Agronomy
Sousa, Lusiene Barbosa; Stamford, Newton Pereira; Oliveira, Wagner Silva; Silva, Emmanuella Vila Nova; Martins, Marllon dos Santos; Santos, Carolina Etienne Rosália e Silva.
Organic matter has low N content; however, organic matter may be enriched by inoculation with selected diazotrophic bacteria. The aim of the paper was to evaluate the effects of biofertilizer produced by mixing different types and proportions of organic matter inoculated with the diazotrophic bacteria Beijerinckia indica. The experiment consisted of plastic trays (6 L) containing 5 kg of three different types of organic matter (filter mud cake, earthworm compost, and crop residue) applied in the following proportions (v:v:v): 1-(5:0:0), 2-(4:1:0), 3-(4:0:1), 4-(3:2:0), 5-(3:1:1), 6-(3:0:2), 7-(2:3:0), 8-(2:2:1), 9-(2:1:2), 10-(2:0:3), 11-(1:4:0), 12-(1:3:1), 13-(1:2:2), 14-(1:1:3), 15-(1:0:4), 16-(0:5:0), 17-(0:4:1), 18-(0:1:4), 19-(0:3:2), 20-(0:2:3), and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Nitrogen fixation; Soil Microbiology Plant Nutrition Acidithiobacillus; Diazotrophic bacteria; Earthworm compost; Plant residue; Sugarcane filter mud cake. Microbiologia e Bioquímica do Solo.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/35504
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Genetic and phenotypic diversity of Rhizobium isolates from Southern Ecuador Ciência e Agrotecnologia
Torres-Gutiérrez,Roldán; Granda-Mora,Klever Iván; Alvarado-Capó,Yelenys; Rodriguez,Aminael Sánchez; Mogollón,Noroska Gabriela Salazar; Almeida,José Rafael de.
ABSTRACT Rhizobium-legume symbioses play relevant roles in agriculture but have not been well studied in Ecuador. The aim of this study was to characterize the genetic and phenotypic diversity of Rhizobium isolates associated with Phaseolus vulgaris from southern Ecuador. Morpho-cultural characterization, biochemical tests and physiological analyses were conducted to authenticate and determine the diversity of bacteria Rhizobium-like isolates. The genetic diversity of the isolates was determined by molecular techniques, which consisted of bacteria DNA extraction and amplification and sequencing of the 16S rRNA gene. The nodulation parameters and nitrogen fixation for P. vulgaris under greenhouse conditions were also assessed to determine the phenotypic...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Phaseolus vulgaris; Diazotrophic bacteria; 16S rRNA gene; Nodulation; Indole acetic acid..
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000600634
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Growth promotion of pineapple 'vitória' by humic acids and burkholderia spp. during acclimatization Rev. Bras. Ciênc. Solo
Baldotto,Lílian Estrela Borges; Baldotto,Marihus Altoé; Canellas,Luciano Pasqualoto; Bressan-Smith,Ricardo; Olivares,Fábio Lopes.
In vitro propagation of pineapple produces uniform and disease-free plantlets, but requires a long period of acclimatization before transplanting to the field. Quicker adaptation to the ex vitro environment and growth acceleration of pineapple plantlets are prerequisites for the production of a greater amount of vigorous, well-rooted planting material. The combination of humic acids and endophytic bacteria could be a useful technological approach to reduce the critical period of acclimatization. The aim of this study was to evaluate the initial performance of tissue-cultured pineapple variety Vitória in response to application of humic acids isolated from vermicompost and plant growth-promoting bacteria (Burkholderia spp.) during greenhouse...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Ananas comosus; Plant growth-promoting bacteria; Diazotrophic bacteria; Humic substances; Inoculant; Biofertilizer.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832010000500012
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Impact of plant growth promoting bacteria on grain yield, protein content, and urea-15 N recovery by maize in a Cerrado oxisol. Repositório Alice
MARTINS, M. R.; JANTALIA, C. P.; REIS, V. M.; DÖWICH, I.; POLIDORO, J. C.; ALVES, B. J. R.; BODDEY, R. M.; URQUIAGA, S..
The inoculation of cereal crops with plant growth-promoting bacteria (PGPB) is a potential strategy to improve fertilizer-N acquisition by crops in soils with low capacity to supply N. A study was conducted to assess the impact of three inoculants on grain yield, protein content, and urea-15 N recovery in maize (Zea mays L.) under Cerrado soil and climate conditions.
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: 15N fertilizer; Diazotrophic bacteria; Inoculants; Rhizobacteria; Poaceae; Herbaspirillum.
Ano: 2017 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1064814
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Inoculação de Azospirillum amazonense em dois genótipos de milho sob diferentes regimes de nitrogênio. Repositório Alice
REIS JÚNIOR, F. B. dos; MACHADO, C. T. de T.; MACHADO, A. T.; SODEK, L..
A adaptabilidade de genótipos de milho a ambientes onde os nutrientes não estejam prontamente disponíveis pode ser relacionada com a adaptação à predominância, nos solos, das formas de N nítrica e amoniacal e à associação com microrganismos benéficos como as bactérias diazotróficas e, ou, promotoras decrescimento de plantas. O objetivo deste trabalho foi verificar o comportamento de dois híbridos intervarietais de milho sob diferentes doses e formas de N, assim como o efeito da inoculação com Azospirillum amazonense, em um ensaio em casa de vegetação, utilizando vasos preenchidos com vermiculita e solução nutritiva de Hoagland como fonte de nutrientes. O delineamento experimental foi de blocos ao acaso em esquema fatorial, constituindo os tratamentos em:...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bactéria diazotrófica; Inoculação; Milho; Bactéria promotora do crescimento; Zea mays; Diazotrophic bacteria; Plant growth-promoting bacteria; Inoculation; Maize.
Ano: 2008 URL: http://www.alice.cnptia.embrapa.br/handle/doc/571648
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Inoculantes formulados com polímeros e bactérias endofíticas para a cultura da cana-de-açúcar. Repositório Alice
SILVA, M. F. da; OLIVEIRA, P. J. de; XAVIER, G. R.; RUMJANEK, N. G.; REIS, V. M..
Resumo - O objetivo deste trabalho foi avaliar o efeito da utilização, em campo, de inoculantes compostos pela mistura de estirpes de bactérias diazotróficas e pelos polímeros carboximetilcelulose e amido, sobre a fixação de nitrogênio, em cana-de-açucar. O delineamento experimental foi de blocos ao acaso, em esquema fatorial 4x2, com quatro formas de fornecimento de N: controle absoluto, controle nitrogênio (adubação com 120 kg ha-1 de N), inoculante polimérico líquido (IPC 0,8), e inoculante polimérico gel (IPC 2,2); e duas variedades de cana-de-açúcar (RB72454 e RB867515), em parcelas subdivididas (três épocas de avaliação ? 6, 9 e 11 meses após o plantio), com quatro repetições. Como veículo inoculante foi testada a proporção 60:40 dos polímeros...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Saccharum officinarum; Amido; Carboximetilcelulose; Diazotrophic bacteria.
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/handle/doc/661889
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Inoculation efficiency of Azospirillum brasilense on economising nitrogen fertiliser in landrace popcorn Rev. Ciênc. Agron.
Martins,Tainara Gomes; Freitas Júnior,Silvério Paiva; Luz,Lucas Nunes; Marco,Cláudia Araújo; Vásquez,Edilza Maria Felipe.
ABSTRACT Nitrogen is one of the nutrients most demandedby popcorn, and one that most increases production costs. Considering these factors, the aim of this study was to evaluate the effectiveness of inoculatingpopcorn seeds with Azospirillum brasilense together with four levels of nitrogen fertiliser, and its contribution to characteristics related to production. The experiment was carried out in the experimental area of the Centre for Agrarian Sciences and Biodiversity of the Federal University of Cariri, in Crato, in the State of Ceará. Eight treatments were evaluated with four replications, using an experimental design of randomised blocks in a 2x4 factorial scheme corresponding to the presence and absence of inoculation, and to four doses of nitrogen...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diazotrophic bacteria; Biological nitrogen fixation; Nitrogen fertiliser.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000200283
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Inoculation of Herbaspirillum seropedicae in three corn genotypes under different nitrogen levels. Repositório Alice
ARAÚJO, E. de O.; MERCANTE, F. M.; VITORINO, A. C. T.; PAIM, L. R..
2014
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Inoculante; Diazotrophic bacteria; Biological nitrogen Fixation; Fixação biológica de nitrogênio.
Ano: 2014 URL: http://www.alice.cnptia.embrapa.br/handle/doc/995335
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