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	Provedor de dados Scientia Agricola (2) Autor Martins,Bruno Henrique (2) Andrade,Diva Souza (1) Araujo-Junior,Cezar Francisco (1) Miyazawa,Mario (1) Quadros,Thainara Camila Fernandes (1) Vieira,Karen Mayara (1) Yagi,Renato (1) Mais... Palavra-chave Carbon content (1) Chemical fractionating (1) Conservation agriculture (1) Humin fraction C (1) Integrated soil fertility (1) Microbial biomass C (1) Organic C (1) Soil organic matter (1) UV-Vis spectroscopy (1) Zea mays (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2020 (1) 2016 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Humic substances and its distribution in coffee crop under cover crops and weed control methods Scientia Agricola Martins,Bruno Henrique; Araujo-Junior,Cezar Francisco; Miyazawa,Mario; Vieira,Karen Mayara. ABSTRACT Humic substances (HS) comprise the passive element in soil organic matter (SOM), and represent one of the soil carbon pools which may be altered by different cover crops and weed control methods. This study aimed to assess HS distribution and characteristics in an experimental coffee crop area subjected to cover crops and cultural, mechanical, and chemical weed control. The study was carried out at Londrina, in the state of Paraná, southern Brazil (23°21’30” S; 51°10’17” W). In 2008, seven weed control/cover crops were established in a randomized block design between two coffee rows as the main-plot factor per plot and soil sampling depths (0-10 cm, 10-20 cm, 20-30 cm and 30-40 cm) as a split-plot. HS were extracted through alkaline and acid... Tipo: Info:eu-repo/semantics/article Palavras-chave: UV-Vis spectroscopy; Conservation agriculture; Soil organic matter; Carbon content; Chemical fractionating. Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162016000400371 Maize yields and carbon pools in response to poultry litter, rock phosphate and P-solubilizing microorganisms Scientia Agricola Yagi,Renato; Quadros,Thainara Camila Fernandes; Martins,Bruno Henrique; Andrade,Diva Souza. ABSTRACT: The acid release of phosphates from rock phosphates (RP) and the retention of ammonium by inorganic phosphates have been studied separately in composting; however, there is a gap in the knowledge of combined application of RP with organic residues and microorganisms. The objectives were to evaluate the combined application of fresh poultry litter (PL) with RP and P-solubilizing microorganisms (M) on soil organic matter pools, microbial biomass C (MB-C) and on whole-plant silage maize and grain yields. Two field experiments tested the effects of timing of applications of PL (8 Mg ha–1), RP (4 Mg ha–1) and microorganisms on soil organic matter pools, nutritional aspects and productive components of maize crop whole-plant silage. A second experiment... Tipo: Info:eu-repo/semantics/article Palavras-chave: Zea mays; Microbial biomass C; Organic C; Humin fraction C; Integrated soil fertility. Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162020000301401 Registros recuperados: 2 Primeira ... 1 ... Última

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