Salinização do solo em áreas irrigadas: Aspectos físicos e químicos

Autores/as

  • Maria Conceição Maria da Conceição da Costa de Andrade Vasconcelos Universidade Federal Rural do Semi-Árido

DOI:

https://doi.org/10.30969/acsa.v10i1.402

Palabras clave:

degradação, salinidade e sodicidade

Resumen

A irrigação no semiárido nordestino se faz necessária para garantir a produtividade das culturas, se constituindo em uma importante alternativa de garantir a produção de alimentos mesmo em períodos de escassez de chuvas (FIGUEIRÊDO, 2005). Porém esse fato pode provocar aumento na densidade do solo, devido ao baixo teor de matéria orgânica em solos tropicais e principalmente, ao excesso de sais na superfície. Os sais se acumulam no solo provocando mudanças nas suas propriedades físicas e químicas, alterando o conteúdo de bases trocáveis no solo, contribuindo com a degradação do solo. Esse processo pode ser agravado pelo a utilização de implementos de forma mais intensa visando a maximização da produção e em condições de excesso de umidade característicos desse sistema de cultivo. O objetivo dessa revisão é abordar os problemas gerados pela prática de irrigação sobre a qualidade dos solos por meio das suas propriedades físicas e químicas, visto que os mesmo estão sujeitos a sofrer mais agressões quando comparados a solos sob sistemas não irrigados.

Biografía del autor/a

  • Maria Conceição Maria da Conceição da Costa de Andrade Vasconcelos, Universidade Federal Rural do Semi-Árido
    Aluna do Programa de Pós-Graduação em Manejo de Solo e Água da Universidade Federal Rural do Semi-Árido. Departamento de Ciências Ambientais.

Referencias

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2014-06-15

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