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	Provedor de dados Scientia Agricola (1) Rev. Bras. Ciênc. Solo (1) Autor Miranda,Jarbas Honório de (2) Alves,Marcelo Eduardo (1) Coelho,Eugênio Ferreira (1) Forti,Gabriel Benjamin Siqueira (1) Lavorenti,Arquimedes (1) Nakagawa,Fábio Keiti (1) Silva,Alisson Jadavi Pereira da (1) Mais... Palavra-chave Anion exchange capacity (1) Irrigation management (1) Musa spp. (1) Remaining phosphorus (1) Retardation factor (1) Root distribution (1) TDR (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2013 (1) 2012 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Estimating subsoil resistance to nitrate leaching from easily measurable pedological properties Rev. Bras. Ciênc. Solo Nakagawa,Fábio Keiti; Forti,Gabriel Benjamin Siqueira; Alves,Marcelo Eduardo; Lavorenti,Arquimedes; Miranda,Jarbas Honório de. Leaching of nitrate (NO3-) can increase the groundwater concentration of this anion and reduce the agronomical effectiveness of nitrogen fertilizers. The main soil property inversely related to NO3- leaching is the anion exchange capacity (AEC), whose determination is however too time-consuming for being carried out in soil testing laboratories. For this reason, this study evaluated if more easily measurable soil properties could be used to estimate the resistance of subsoils to NO3- leaching. Samples from the subsurface layer (20-40 cm) of 24 representative soils of São Paulo State were characterized for particle-size distribution and for chemical and electrochemical properties. The subsoil content of adsorbed NO3- was calculated from the difference... Tipo: Info:eu-repo/semantics/article Palavras-chave: Anion exchange capacity; Remaining phosphorus; Retardation factor. Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832012000500013 Efficiency of water application of irrigation systems based on microsprinkling in banana plantations Scientia Agricola Silva,Alisson Jadavi Pereira da; Coelho,Eugênio Ferreira; Miranda,Jarbas Honório de. Further food production may be limited by the reduced availability of water resources. Since irrigated agriculture is the productive sector that presents a higher demand of water, this sector has been under intense pressure in order to ensure food production with improved efficiency of water use. This study aimed to use the Time Domain Reflectometry (TDR) technique to measure percolation losses and to determine water application efficiency of banana (Musa spp.) trees using microsprinkler irrigation systems. Three systems were studied: (i) one 32 L h-1 microsprinkler for four plants; (ii) one 60 L h-1 microsprinkler for four plants; and (iii) one 60 L h-1 microsprinkler for two plants. Systems that replace water to the soil with the lowest variation of... Tipo: Info:eu-repo/semantics/article Palavras-chave: TDR; Musa spp.; Root distribution; Irrigation management. Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162013000300001 Registros recuperados: 2 Primeira ... 1 ... Última

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