Alterações químicas de cambissolo irrigado com água residuária doméstica sob cultivo da pimenta malagueta

Autores/as

  • Josimar de Azevedo Universidade Federal Rural do Semi-Árido
  • Iam Crisóstomo Bezerra Dutra Universidade Federal Rural do Semi-Árido
  • Tamiris Cibelle Albuquerque de Souza Universidade Federal Rural do Semi-Árido
  • Fabrícia Gratyelli Bezerra Costa Universidade Federal Rural do Semi-Árido
  • Rafael Oliveira Batista Universidade Federal Rural do Semi-Árido
  • Lucas Ramos da Costa Universidade Federal Rural do Semi-Árido

DOI:

https://doi.org/10.30969/acsa.v9i2.358

Resumen

O reuso da água é uma atividade de grande importância para regiões semiáridas em função do fornecimento de água e nutrientes para cultivos agrícolas e da minimização do lançamento direto de resíduos líquidos sem tratamento em corpos hídricos. O presente trabalho objetivou analisar os efeitos da aplicação do esgoto doméstico primário nas características químicas de um Cambissolo sob cultivo da pimenta malagueta. Para tal, foi montada uma área experimental de 744 m² no assentamento Milagres em Apodi-RN, composta de estação de tratamento de esgoto e de sistema de irrigação por gotejamento. No experimento foram utilizadas 25 parcelas, onde cada parcela ocupou uma área de 12,5m². Os tratamentos utilizados foram T1 - 100% de aplicação água residuária (EDP) e 0% de água de abastecimento (AA), T2 - 75% de EDP e 25% de AA, T3 - 50% de EDP e 50% de AA, T4 - 25% de EDP e 75% de AA e T5 - 0% de EDP e 100% de AA. Durante o período experimental foram realizadas análises físico-químicas e microbiológicas do EDP e da AA. No solo foram coletadas amostras nas camadas de 0 a 0,20m, 0,20 a 0,40m e 0,40 a 0,60 m para realização de análises químicas. O experimento foi montado no delineamento em Blocos Casualizados com cinco tratamentos e cinco repetições. Os resultados indicaram que ocorreram elevações nos valores de condutividade elétrica do extrato de saturação do solo, sódio e matéria orgânica com o aumento da proporção de EDP em relação à AA. Enquanto, que os valores de pH apresentaram redução com o aumento da proporção de EDP.

Biografía del autor/a

  • Josimar de Azevedo, Universidade Federal Rural do Semi-Árido
    Departamento de solos- Ufersa
  • Iam Crisóstomo Bezerra Dutra, Universidade Federal Rural do Semi-Árido
    Mestrando em Irrigação e Drenagem- Ufersa
  • Tamiris Cibelle Albuquerque de Souza, Universidade Federal Rural do Semi-Árido
    Engenheira Agricila-Ufersa
  • Fabrícia Gratyelli Bezerra Costa, Universidade Federal Rural do Semi-Árido
    Mestra em Irrigação e Drenagem- Ufersa
  • Rafael Oliveira Batista, Universidade Federal Rural do Semi-Árido
    Professor Adjunto II, Departamento de Ciências Ambientais e Tecnológicas- DCAT/ Ufersa
  • Lucas Ramos da Costa, Universidade Federal Rural do Semi-Árido
    Mestrando em Manejo de Solo e Água- Ufersa

Referencias

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Desempenho de sistema decanto-digestor com filtro biol&oacute;gico seguido por alagado constru&iacute;do e reator solar no tratamento de esgoto dom&eacute;stico. </span><strong style="mso-bidi-font-weight: normal;"><span style="font-size: 10.0pt; mso-ansi-language: EN-US;" lang="EN-US">Ambi-Agua</span></strong><span style="font-size: 10.0pt; mso-ansi-language: EN-US;" lang="EN-US">, Taubat&eacute;, v. 7, n. 2, p. 62-74, 2012.</span></p> <p class="MsoNormal" style="margin-bottom: .0001pt; text-align: justify; line-height: normal;"><span style="font-size: 10.0pt; mso-ansi-language: EN-US;" lang="EN-US">&nbsp;</span></p> <p class="MsoNormal" style="margin-bottom: .0001pt; text-align: justify; line-height: normal;"><span style="font-size: 10.0pt; mso-ansi-language: EN-US;" lang="EN-US">RICE, E. W.; BAIRD, R. B.; CLESCERI, A. D. <strong style="mso-bidi-font-weight: normal;">Standard methods for the examination of water and wastewater</strong>. 22. ed. Washington: APHA, AWWA, WPCR, 2012. </span><span style="font-size: 10.0pt;">1496p.</span></p> <p class="MsoNormal" style="margin-bottom: .0001pt; text-align: justify; line-height: normal;"><span style="font-size: 10.0pt;">&nbsp;</span></p> <p class="MsoNormal" style="margin-bottom: .0001pt; text-align: justify; line-height: normal;"><span style="font-size: 10.0pt;">von SPERLING, M. <strong style="mso-bidi-font-weight: normal;">Introdu&ccedil;&atilde;o &agrave; qualidade das &aacute;guas e ao tratamento de esgotos</strong>. 3.ed. Belo Horizonte: UFMG, 2011. 452p. 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2013-07-21

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