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Título

Lettuce cationic nutrition and yield, and soil chemical characteristics as affected by vanadium application to leaves or soils

AutorÁlvarez, Carlos Enrique ; Amin, M.; Reyes, C. M.; Fernández Falcón, Marino
Palabras claveLettuce
Plant nutrition
Soil fertility
Vanadium
Fecha de publicación2002
EditorInderscience Publishers
CitaciónInternational Journal of Environment and Pollution 18(1): 76-84 (2002)
ResumenLettuce plants (Lactuca sativa, L., cv. 'trocadero') were grown in pots filled with an Alfisol Udalf or an Andisol Udand soil, under greenhouse conditions. Treatments consisted of adding vanadium to soils (0, 100, 250, 500 and 1000 mg kg-1 or as foliar sprays (0, 10, 25, 50, and 100 mg l-1. Soil chemical characteristics, the cationic nutrition of lettuce and their yields were assessed. No relation was found among vanadium treatments and soil pH, organic matter, or available Ca, Mg, and K. Vanadium added to soils increased available vanadium in the soil, but foliar sprays did not. Treatments did not influence foliar K, Ca, Mg, Cu, Mn and Zn concentrations, and only foliar iron levels showed a correlation with available vanadium in the soils treated with this heavy metal. Higher concentrations of vanadium added to soil or in foliar sprays significantly increased the vanadium content of the lettuces, but they did not affect the yields of either fresh or dry matter.
Descripción9 pages, 7 tables.
Versión del editorhttp://dx.doi.org/10.1504/IJEP.2002.000696
URIhttp://hdl.handle.net/10261/12424
DOI10.1504/IJEP.2002.000696
ISSN0957-4352
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