2016
DOI: 10.1590/18069657rbcs20150008
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Boron Leaching Decreases withIncreases on Soil pH

Abstract: Management of boron fertilization depends on the magnitude of B leaching in the soil profile, which varies proportionally with the concentration of B in the soil solution, which, in turn, decreases as the soil pH increases due to the higher sorption of B on soil solid surfaces. The objective of this study was to quantify the effect of liming and rates of B applied to the soil on B leaching. The experiment was carried out in the laboratory in 2012, and treatments consisted of a factorial combination of two rate… Show more

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Cited by 7 publications
(5 citation statements)
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“…Boron occurs in the soil solution mainly as H 3 BO 3 , which is the predominant form in agricultural soils, showing pH ranging from 5.5 up to 6 (Malavolta, 2006). The main factor driving B behavior is soil pH (Sá and Ernani, 2016), being strongly adsorbed by Fe and Al oxides in pH ranging from 6 to 9. The highest B availability is observed in pH from 5 up to 7 (Malavolta, 2006).…”
Section: Introductionmentioning
confidence: 99%
“…Boron occurs in the soil solution mainly as H 3 BO 3 , which is the predominant form in agricultural soils, showing pH ranging from 5.5 up to 6 (Malavolta, 2006). The main factor driving B behavior is soil pH (Sá and Ernani, 2016), being strongly adsorbed by Fe and Al oxides in pH ranging from 6 to 9. The highest B availability is observed in pH from 5 up to 7 (Malavolta, 2006).…”
Section: Introductionmentioning
confidence: 99%
“…Its availability is mainly influenced by soil pH values (Sá and Ernani, 2016), soil organic matter (Lima et al, 2007), mobility in the soil profile (leaching) due to the high intensity of rainfalls (Prado, 2008), soil parental material, topography and soil type and use (Zhu et al, 2016).…”
mentioning
confidence: 99%
“…No solo o B atua como um ânion, sua quimissorção aumenta com a acidez do solo. Em solos cujo pH está abaixo de 7,0, o boro na forma de H3BO3 é altamente suscetível a lixiviação (SÁ et al, 2016). O ácido bórico é considerado como muito fraco e atua como ácido de Lewis, que para a formação do ânion borato necessita aceitar um hidróxido (GOLDBERG, 1997).…”
Section: Boro No Solounclassified
“…Geralmente apenas uma fração do B aplicado no solo permanece na solução do solo, disponível para as plantas absorverem, consequentemente a outra fração sofre o processo de lixiviação. Alguns atributos do solo como a granulometria e a composição mineralógica podem afetar a disponibilidade de B, neste sentido os solos arenosos são mais suscetíveis a lixiviação do que os argilosos (SÁ et al, 2016).…”
unclassified