2008
DOI: 10.1590/s0100-06832008000400026
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Flutuação diária e estacional de nitrato e amônio em um Argissolo Vermelho distrófico típico

Abstract: RESUMO

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Cited by 3 publications
(2 citation statements)
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“…Normally, native vegetation areas, due to low fertility and acidity (low pH), nitrifying microorganisms are disadvantaged, with consequent N in the ammoniacal form accumulation (Bijlsma;Lambers;Kooijman, 2000). In their study, Poletto, Grohs and Mundstock (2008), for example, commented on the ammonium predominance in soils under forests and in natural pastures. El-Husny (2010), also evaluated ammonium contents in soils under pasture and native forest in the same region of this study at three times of the year and identified similar behavior.…”
Section: Inorganic Nmentioning
confidence: 99%
“…Normally, native vegetation areas, due to low fertility and acidity (low pH), nitrifying microorganisms are disadvantaged, with consequent N in the ammoniacal form accumulation (Bijlsma;Lambers;Kooijman, 2000). In their study, Poletto, Grohs and Mundstock (2008), for example, commented on the ammonium predominance in soils under forests and in natural pastures. El-Husny (2010), also evaluated ammonium contents in soils under pasture and native forest in the same region of this study at three times of the year and identified similar behavior.…”
Section: Inorganic Nmentioning
confidence: 99%
“…O atributo N total do solo também teve comportamento semelhante na camada 20-40 cm. Utilizar somente os teores de N mineral e total presentes no solo pode não ser uma opção com resultados constantes e promissores, visto que os teores de amônio e nitrato tem grande flutuação no perfil no solo (POLETTO et al, 2008) sendo dependentes das condições edafoclimáticas no momento da amostragem. Outro ponto negativo para esse tipo de preditor é a necessidade de uma amostragem de solo com procedimentos específicos (RAMBO et al, 2007) desde o momento da coleta.…”
Section: Relação Entre Atributos Químicos Do Solo E Eficiência De Usounclassified