In this study, commercial fertilizers, natural zeolit and zeolites saturated with fertilizer are treated on the seeds of Triticum sativum and Cucumis sativus. Effects on seed germinations and plant growth of these substances were studied. As a result of this study; it was found out that zeolit could be used as a nitrat carrier in the preparation of fertilizer and that amonium could be assesed by plants more effectively and that more manure could be saved.