A field experiment was conducted to evaluate the effect of iron (Fe) c
hlorosis on the mineral composition of lemon tree leaves cultivated in
calcareous soil in the region of Murcia, Spain. A Fe-polyflavonoid wa
s employed as fertilizer to control Fe deficiency. The evolution of th
e leaf content in Fe, potassium (K), sodium (Na), magnesium (Mg), calc
ium (Ca), phosphorus (P), manganese (Mn), and zinc (Zn) was monitored
during all the sampling cycle. A high correspondence between total Fe
and chlorophyll content could be appreciated. A multivariance analysis
was performed with the data obtained, showing that Fe was correlated
with P, Mn, and K.