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1. | | COELHO, E. F.; SANTANA JUNIOR, E. B.; SANTANA, J. A. do V.; SILVA, A. J. P. da; VEIMROBER JUNIOR, L. A. dos A. Approach for nitrate balance in the soil solution under fertirrigation. In: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING; BRAZILIAN CONGRESS OF AGRICULTURAL ENGINEERING, 38.; INTERNATIONAL LIVESTOCK ENVIRONMENT SYMPOSIUM, 8., 2008, Iguassu Falls. [Foz do Iguaçu]: CIGR, 2008. PAP0958.pdf. Biblioteca(s): Embrapa Mandioca e Fruticultura. |
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Registros recuperados : 1 | |
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Registro Completo
Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
Data corrente: |
22/09/2008 |
Data da última atualização: |
28/10/2022 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
COELHO, E. F.; SANTANA JUNIOR, E. B.; SANTANA, J. A. do V.; SILVA, A. J. P. da; VEIMROBER JUNIOR, L. A. dos A. |
Afiliação: |
Eugênio Ferreira Coelho, CNPMF; Edvaldo Bispo Santana Junior, UFRB; José Antônio do Vale Santana, UFRB; Alisson Jadavi Pereira da Silva, ESALQ; Lúcio Aderito dos Anjos Veimrober Junior, UFRB. |
Título: |
Approach for nitrate balance in the soil solution under fertirrigation. |
Ano de publicação: |
2008 |
Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING; BRAZILIAN CONGRESS OF AGRICULTURAL ENGINEERING, 38.; INTERNATIONAL LIVESTOCK ENVIRONMENT SYMPOSIUM, 8., 2008, Iguassu Falls. [Foz do Iguaçu]: CIGR, 2008. |
Idioma: |
Inglês |
Notas: |
PAP0958.pdf. |
Conteúdo: |
The use of fertirrigation brings inputs o soil solution that affect solute dynamics and nutrient balance in the soil etted volume.This work has s objective to present an approach for nitrate balance in the soil wetted volume under drip irrigation from readings of electrical condutivity and soil water content using TDR technique. The approach uses a balance for nitrate in he soil solution, based upon the fact that he transport of nitrate is solely convective. Ion concentration is etermined based on a combination of an empirical model for estimating soil solution electrical conductivity (ECw) and a potential model that relates ECw and nitrate concentration in the soil solution.The approach has given satisfactory results,although the absolute values of the estimated dependent variables of the model may not stands for the real values in the soil.However,it can used for analyzing different components of the nitrate balance in the soil (uptake,leaching,infiltration) among fertirrigation events. |
Palavras-Chave: |
Fertirrigation management; Mass balance; Nitrate; TDR. |
Categoria do assunto: |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/636819/1/PAP0958.pdf
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Marc: |
LEADER 01812nam a2200217 a 4500 001 1636819 005 2022-10-28 008 2008 bl uuuu u00u1 u #d 100 1 $aCOELHO, E. F. 245 $aApproach for nitrate balance in the soil solution under fertirrigation.$h[electronic resource] 260 $aIn: INTERNATIONAL CONFERENCE OF AGRICULTURAL ENGINEERING; BRAZILIAN CONGRESS OF AGRICULTURAL ENGINEERING, 38.; INTERNATIONAL LIVESTOCK ENVIRONMENT SYMPOSIUM, 8., 2008, Iguassu Falls. [Foz do Iguaçu]: CIGR$c2008 500 $aPAP0958.pdf. 520 $aThe use of fertirrigation brings inputs o soil solution that affect solute dynamics and nutrient balance in the soil etted volume.This work has s objective to present an approach for nitrate balance in the soil wetted volume under drip irrigation from readings of electrical condutivity and soil water content using TDR technique. The approach uses a balance for nitrate in he soil solution, based upon the fact that he transport of nitrate is solely convective. Ion concentration is etermined based on a combination of an empirical model for estimating soil solution electrical conductivity (ECw) and a potential model that relates ECw and nitrate concentration in the soil solution.The approach has given satisfactory results,although the absolute values of the estimated dependent variables of the model may not stands for the real values in the soil.However,it can used for analyzing different components of the nitrate balance in the soil (uptake,leaching,infiltration) among fertirrigation events. 653 $aFertirrigation management 653 $aMass balance 653 $aNitrate 653 $aTDR 700 1 $aSANTANA JUNIOR, E. B. 700 1 $aSANTANA, J. A. do V. 700 1 $aSILVA, A. J. P. da 700 1 $aVEIMROBER JUNIOR, L. A. dos A.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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