For studying the Zn–P interaction under both Zndeficient
and Zn-sufficient soil conditions, a Zndeficient
soil of Central Anatolian origin was used in
this experiment. It was a calcareous (18 % CaCO3) and
alkaline (pH 8.0 in dH2O) clay loam with low organic
matter (1.5 %). The diethylenetriaminepentaacetic acid
(DTPA)-extractable Zn concentration of the untreated
soil was 0.13 mg kg−1 according to the method described
by Lindsay and Norvell (1978).