Abstract
In this study, CeO2/SiO2 material was synthesized and applied as a growth stimulant for bell pepper plants from Ce(NO3)4 precursor and rice husk ash using gamma irradiation method. Material morphology and structure were confirmed through physicochemical characterization methods including: XRD, EDX, IR and SEM characterization. The results of surveying the effects of CeO2/SiO2 materials on the growth and development of bell pepper plants show that CeO2/SiO2 significantly affects the growth and development of bell pepper plants. Experimental data obtained showed that bell pepper yield increased by 22 tons/ha, average root length increased by 3.6 cm and harvest time was 11 days less than the control sample. In addition, bell pepper plants supplemented with CeO2/SiO2 are stronger and do not have yellow leaves. This shows that CeO2/SiO2 has a growth stimulating effect on bell pepper plants.
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