Mudanças químicas e fitodisponibilidade de zinco estimada por método isotópico, em solo tratado com lodo de esgoto


Autoria(s): Villanueva,Felipe Carlos Alvarez; Boaretto,Antonio Enedi; Firme,Lucia Pittol; Muraoka,Takashi; Nascimento Filho,Virgilio Franco do; Abreu Junior,Cassio Hamilton
Data(s)

01/01/2012

Resumo

Zn availability in Red Latossol (Rhodic Ferralsol) of different pH amended with different rates of sewage sludge was studied by the isotopic 65Zn L value method. Soil chemical properties were found to be altered by SS addition. Zn concentration and Zn derived from SS (ZnpfSS) in plant, and Zn phytoavailability (L value), were increased with increasing SS rates. The linear correlation coefficient of plant Zn with SS rates and with L value was significant at 1% probability. The L value proved an efficient method for predicting Zn phytoavailability in sewage sludge-amended soil with different pH under the soil conditions studied.

Formato

text/html

Identificador

http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422012000700012

Idioma(s)

pt

Publicador

Sociedade Brasileira de Química

Fonte

Química Nova v.35 n.7 2012

Palavras-Chave #L value #65Zn #soil chemical properties
Tipo

journal article