2005
DOI: 10.1590/s1415-43662005000300005
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Aplicação de gesso e calcário na recuperação de solos salino-sódicos do Estado de Pernambuco

Abstract: Experimento em colunas de solo foi conduzido, objetivando-se avaliar o efeito da aplicação de gesso e gesso + calcário, na recuperação de solos salino-sódicos do Perímetro Irrigado de Custódia, PE. Os tratamentos foram dispostos em um delineamento em blocos casualizados, com arranjo fatorial de quatro solos, dois métodos de aplicação de gesso e gesso + calcário (aplicados na superfície e incorporados aos primeiros 5 cm da coluna de solo), duas combinações dos corretivos (100% de gesso + 0% de calcário e 80% de… Show more

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Cited by 15 publications
(17 citation statements)
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“…The correction of soils affected by salt requires effective and viable techniques of removing the excess salts and exchangeable sodium, enabling these soils to be included, once again, in the production process (BARROS et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…The correction of soils affected by salt requires effective and viable techniques of removing the excess salts and exchangeable sodium, enabling these soils to be included, once again, in the production process (BARROS et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…Problemas de salinização são representados por solos anteriormente produtivos que se tornaram salinos devido à irrigação mal-planejada (Barros et al, 2005). Dentre os mecanismos de adaptação à salinidade a redução da área foliar e o controle na abertura dos estômatos são estratégias usadas pelas plantas para reduzir as perdas de água por transpiração resultando em uma taxa fotossintética menor, o que constitui uma das causas do reduzido crescimento das espécies sob condição de estresse salino (Flowers, 2004).…”
Section: Introductionunclassified
“…Table 4, the soil treated without conditioners and only with biofertilizer changed from saline-sodic to sodic, that is, the correction capacity was lost. According to Richards (1954), Barros et al (2005) and Leite et al (2010), there was a reduction in the electrical conductivity of the saturated extract caused by lixiviation of soluble cations such as calcium, which substitutes Na + in the clay complex, resulting instead in increased sodicity. On the other hand, treatments with chalk with or without biofertilizer led to a marked reduction in the sodic character, and the soil changed from salinesodic to saline.…”
Section: Resultsmentioning
confidence: 99%
“…The BRS Paraguaçu cultivar grew bigger than the BRS Nordestina cultivar, except in the saline-sodic soil with added biofertilizer. The more prominent vertical growth of the latter in these conditions may indicate that this cultivar adjusts better to sodicity than the BR Paraguaçu cultivar, since, in the described treatment, the SAR and the ESP remained very high, representing the highly sodic soil profile (RICHARDS, 1954;BARROS et al, 2005), as shown in Table 4.…”
Section: As Shown Inmentioning
confidence: 91%
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