
handle: 10261/87187
[ES]Se estudian 24 suelos de pH comprendido entre 5.2 y 7.9, de textura ligera, y en ellos se calcula el valor E y el fósforo por resinas de cambio. Así mismo, se determina el valor L y el Coeficiente de Utilización de superfosfato cálcico añadido a los suelos en dos dosis distintas, por medio de un cultivo en macetas. Se encuentran coeficientes de correlación significativos entre los tres valores citados de fósforo del suelo, y correlación negativa entre dichos valores y el Coeficiente de Utilización del abono en la dosis 2 en algunos suelos.
[EN]Resin ion exchange procedure and E value are used to determine phosphorus content in 24 light texture soils with pH ranging from 5.2 to 7.9 Also, L value and Utilization Coefficient for Ca-superphosphate added at two different levels to pot cultured soils are mesured. Significant correlation coefficients were found between the three values determined for soils phosphorus. Conversely, a negative correlation was obtained between those three values and the Utilization Coefficient for level two of the fertilizer dosis for some of the soils.
Consejo Superior de Investigaciones Científicas
18 páginas, 9 tablas, 5 figuras
Peer reviewed
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