College of Education for Pure Sciences, University of Kirkuk discussed a master dissertation on the determination of the effect of secondary metabolite compounds secreted from the Eucalyptus plant on the values of plant nutrients by the postgraduate student, Mrs. Russell Nabil Abdullah.
The dissertation, included a study of the effect of secondary metabolite compounds on the concentrations of plant nutrients of the eucalyptus plant and the soils growing in it within the surface and deep soil layers.
The dissertation concluded that the depth of the soil did not affect the soil's physical and chemical properties except in two factors; pH and potassium ion and that the nutrient values in the surface and deep soil layers.
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