Causes of Low Nitrification Capacity of Certain Soils

Fraps, G. S.; Sterges, A. J.

doi:10.1097/00010694-193211000-00003

Cited by 10 publications

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“…The period of 28 days is sufficient to nitrify all the nitrogen of the ammonium sulfate when the soil has a high nitrifying capacity. At the end of that period, nitrates, nitrites, and pH values were determined (6). In a third series of tests (Table 3), 100 grams of soil and 0.05 gram of nitrogen was used, with 1 gram of dicalcium phosphate instead of 8 grams to 200 grams of soil as in the previous series.…”

Section: Methods Of Proceduresmentioning

confidence: 99%

Basicity of Some Phosphates as Related to Nitrification¹

Fraps¹,

Sterges²

1937

Agronomy Journal

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Section: Methods Of Proceduresmentioning

confidence: 99%

Basicity of Some Phosphates as Related to Nitrification¹

Fraps¹,

Sterges²

1937

Agronomy Journal

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“…properties and microorganisms and, in many cases, decreases the power to nitrification (Lebedjantzev, 1924;Mortenson and Duley, 1931;Bharaucha and Wagle, 1957;and Harpstead and Brage, 1958). However, Fraps and Sterges (1932) found that nitrifying bacteria may remain in dry soil for many years and that the changes in nitrifying power due to air drying may be slight. In view of these observations, studies similar to those reported in table 3 were made on two soils in fresh and air-dried conditions.…”

Section: ]mentioning

confidence: 99%

Effects of Gibrel1 on Nitrification and Sulfur Oxidation in Different Oregon Soils12

Chandra¹,

Bollen²

1960

Applied Microbiology

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Kjeldahl-N. This was determined by the AOAC (1955) method. Exchange capacity and exchangeable cations were determined by the ammonium acetate method of Schollenberger and Simon (1945). Numbers of microorganisms were determined at the end of 15 days on soil samples from the nitrification experiments by plating procedure. Peptone glucose 3Appreciation is expressed to T. T. Chao, M. E. Harward, and S. C. Fang, Oregon Agricultural Experiment Station. for furnishing soil samples and permitting use of their data.

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“…Low rates of nitrification in acidic soils have been described for many years (De Boer and Kowalchuk, 2001) and rates often increase when acidic soils are amended with bases such as calcium carbonate (Fraps and Sterges, 1932), as also shown in Cerrado soil (Rosolem et al, 2003). Inhibition of ammonia oxidation at low pH was traditionally considered to be due to the low availability of ammonia (NH3), through ionization to NH4 + , but may be alleviated in soil by growth in aggregates or on surfaces (Allison and Prosser, 1993;De Boer et al, 1991), urease activity (Burton and Prosser, 2001;de Boer et al, 1989) or through growth of acidophilic archaeal ammonia oxidizers (Gubry-Rangin et al, 2011;Lehtovirta-Morley et al, 2011) at low pH.…”

Section: Introductionmentioning

confidence: 93%

“…On the other hand, the incubation of the Campo sujo soil in slurries with Craibstone soil of same pH (original pH of 5.3) in a ratio 1:1 accumulated nitrate due to the activity of ammonia oxidizers from the Craibstone soil. In 1932, Fraps and Sterges presented similar conclusion that soils with little ability to nitrify has increased nitrate concentration after either soil pH modification with calcium carbonate and/or with the addition of nitrifying soil (Fraps and Sterges, 1932).…”

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confidence: 88%

Microbiologia do ciclo do nitrogênio em solos do cerrado

Pires¹

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iv Agradecimentos Agradeço ao meu orientador, Ricardo Krüger, pelo apoio às nossas idéias de pesquisa, esdrúxulas ou não. Obrigada pela liberdade que você nos dá no laboratório. A meu ver, um local de trabalho com liberdade, cobranças medidas e bom humor ajuda muito na fluidez da pesquisa. Seu humor, que não é fácil de entender, sempre me fez sentir em casa, e algumas das suas ironias ficarão marcadas. Tal como os momentos de geekness, como a explicação do nome de 454 para a plataforma de pirosequenciamento.Os trabalhos aqui realizados não existiriam sem o financiamento à pesquisa, especificamente pela FAP-DF, CNPq e CAPES. Agradeço especialmente à última, que financiou a minha bolsa de doutorado no país e no exterior.Agradeço às bancas de qualificação (Professoras Cristine, Mercedes e Sérgio) e de defesa (Professores Cynthia, Mercedes, Alexandre e Helson) desta tese que auxiliaram na discussão e no refinamento deste documento.Agradeço também aos professores colaboradores que fizeram parte mais diretamente das pesquisas apresentadas nesta tese: Gabriela Nardoto, Mercedes Bustamante e Jim Prosser.Entretanto, teria sido mais difícil de realizar esta tese se eu não tivesse ao meu lado parceiros de bancada e de computador: Fabyano, Ju, Re(nata) e Re(gina). E não tão diretamente relacionados ao meu dia-a-dia, mas também parte do grupo, agradeço à Débora, Paula e Samuel. E um especial obrigado à minha amiga que me chama de "orientadora -mirim", Helena Magaldi, que me ajudou muito na leitura e correção dos meus textos.Tenho um agradecimento especial a fazer ao Fabyano, parceiro científico, amigo, colega, nosso Thor do Cerrado. Aquele que me livrou de ataque de cupim e potencial ataque de suçuarana-pesquisador (?). Agradeço imensamente a oportunidade de termos trabalhado juntos. E espero que prospere o nosso plano de continuarmos colaborando em projetos futuros.A pesquisa do sisbiota só foi possível porque conseguimos (Eu e Fabyano) reunir mão-deobra amiga e voluntária para as várias coletas: Renata, Amanda, Lucas, Matias, Hugo e Huguinho.De mesma forma, consegui carregar muita gente para campo para coletar solo na Fazenda Tabapuã dos Pirineus. Agradeço especialmente ao Marciano, que esteve em todas as coletas e me auxiliou com rigor nos meus primeiros experimentos de PCR em tempo real. Agradeço também à Cecília Kosmann, à Carol Benévolo, ao Lucas Pimenta, e novamente à Ju e ao Fabyano.Um agradecimento especial deve ser feito ao Fabiano Nardoto, dono da Fazenda Tabapuã dos Pirineus. Não só permitiu o acesso livre à fazenda para os diferentes tempos de coleta, mas também nos proveu informações sobre a fazenda e a plantação de soja e de milho. 21 days it was possible to detect the activity of AOA with the quantification of amoA transcripts. Moreover, DGGE profiles showed a higher number of AOA amoA gene in the Craibstone-only slurries and similar to the mixed slurries, but lower in the Cerrado-only slurries. This was the first assessment of the N metabolism with metagenomic data and qPCR for ammonia oxidation in the Cerrad...

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Causes of Low Nitrification Capacity of Certain Soils

Cited by 10 publications

References 0 publications

Basicity of Some Phosphates as Related to Nitrification¹

Basicity of Some Phosphates as Related to Nitrification¹

Effects of Gibrel1 on Nitrification and Sulfur Oxidation in Different Oregon Soils12

Microbiologia do ciclo do nitrogênio em solos do cerrado

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Causes of Low Nitrification Capacity of Certain Soils

Cited by 10 publications

References 0 publications

Basicity of Some Phosphates as Related to Nitrification1

Basicity of Some Phosphates as Related to Nitrification1

Effects of Gibrel1 on Nitrification and Sulfur Oxidation in Different Oregon Soils12

Microbiologia do ciclo do nitrogênio em solos do cerrado

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Product

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Basicity of Some Phosphates as Related to Nitrification¹

Basicity of Some Phosphates as Related to Nitrification¹