The aim of this study was to examine inexpensive techniques to control iron chlorosis. It was found that soil applications with Fe-EDDHA, FeSO₄, K₂SO₄, KNO₃, citric acid, Agrobiosol and FeSO₄ + cow manure significantly increased the leaf iron concentration 90 days after application. Increased iron concentrations were found only in the leaves of trees supplied with K₂SO₄ and FeSO₄ + 11–15–15, 150 days after application. Foliar applications with Micro-A-Fe, FeSO₄, Micro-A-Fe + FeSO₄, Mix Fyt + FeSO₄, Biomin, Lysodin, FeSO₄ + citric acid, FeSO₄ + NH₂CONH₂ + citric acid, FeSO₄ + KNO₃ + citric acid increased significantly the leaf iron concentration 150 days after application. This study also investigated the effect of pH (in nutrient solution), rootstocks and Verticillium dahliae on iron chlorosis. The response of peach rootstocks was dependent on the pH — the highest iron concentration was found at pH 4 and the lowest at pH 7. Data were also obtained on the susceptibility of the important for the peach industry rootsocks to iron chlorosis. The rootstock St. Julien 655/2 had the highest iron concentration, while no significant differences were found between the rootstocks GF677, MRS 2/5, Seedling and Antafuel the lowest. Verticillium dahliae had no affect on the chlorophyll concentration of peach trees.