Ozturk, L., Karanlik, S., Ozkutlu, F., Cakmak, I., Kochian, L.V. 2003. Shoot biomass and zinc/cadmium uptake for hyperaccumulator and non-accumulator Thlaspi species in response to growth on a zinc-deficient calcareous soil. Plant Science 164, 1095-1101. Ozturk, L., Eker, S., Ozkutlu, F., Cakmak, I. 2003. Effect of Cadmium on Growth and Concentration of Cadmium, Ascorbic Acid and Sulphydryl Groups in Durum Wheat Cultivars. Turk. J. Agric. For. 27, 161-168. *Hacisalihoglu, G., *Ozturk, L., Cakmak, I., Welch, R., M., Kochian, L., V. 2004. Genotypic Variation in Common Bean in Response to Zinc Deficiency in Calcarous Soil. Plant and Soil 259, 71-83 (*: These authors contributed equally to this work as first co-authors). Ozturk L, Eker S, Torun B, Cakmak I. 2005. Variation in phosphorus efficiency among 73 bread and durum wheat genotypes grown in a phosphorus-deficient calcareous soil. Plant and Soil 269, 69-80. Babourina O, Ozturk L, Cakmak I, Rengel Z. 2006. Reactive oxygen species production in wheat roots is not linked with changes in H+ fluxes during acidic and aluminium stresses. Plant Signaling and Behavior 1, 70-75.