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handle: 10261/21956
Se estudian (con 32p) dos métodos de determinación de fósforo en suelos conocidos como valor L y valor E, y así mismo se determina fósforo en resinas de cambio. Entre ellos existe correlación positiva, significativa al 1 ó 5 % según los casos. Dichos métodos dan correlación negativa con el índice de porción de Bache. Se calcula la eficiencia de dos dosis de superfosfato cálcico añadido al suelo (CU %). Dicho coeficiente da correlación positiva con el índice de porción de fósforo, por lo que este último valor puede orientar sobre la dosis de fertilizante o añadir a un cultivo.
Proyecto CAICYT-0054-81C02-00)
suelos, Fósforo, Superfosfato cálcico, Suelos
suelos, Fósforo, Superfosfato cálcico, Suelos
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