Volume 2 Issue 3 | 2025 | View PDF
Paper Id:IJMSM-V2I3P105
doi: 10.71141/30485037/V2I3P105

Effect of Zeolite-Based N Fertilizer to the Growth and Production of Shallot and the Dynamics of Cadmium (Cd) in Inceptisol Soil

Ibnu Rizky Ramadhan, Kharisun, Okti Herliana

Citation:
Ibnu Rizky Ramadhan, Kharisun, Okti Herliana, "Effect of Zeolite-Based N Fertilizer to the Growth and Production of Shallot and the Dynamics of Cadmium (Cd) in Inceptisol Soil" International Journal of Multidisciplinary on Science and Management, Vol. 2, No. 3, pp. 35-46, 2025.

Abstract:
Cadmium is one of the heavy metals that is harmful to the environment, with high mobility, carcinogenic properties, and toxicity to living organisms. Therefore, it is necessary to immobilize Cd in the inceptisol soil using Zeolite-Based N Fertilizer. Furthermore Zeolite-Based N Fertilizer will benefit to improve the growth and production of shallot. This study aims to determine the response of shallot (Allium ascalonicum L.) plant growth, shallot yield, and Cd content in the soil and plants to various applications of Zeolite-Based N fertilizer. The study was conducted in a screenhouse and the Soil Science Laboratory of the Faculty of Agriculture, Jenderal Soedirman University from December 2023 to March 2024. The treatments tested were Zeolite-Based N fertilizer doses of 0 kg/ha, 150 kg/ha, 300 kg/ha, and 450 kg/ha, and Cd concentrations of 0 ppm, 2 ppm, and 4 ppm on shallot plant growth, shallot yield, and Cd content in the soil and plants. This study used a Randomized Block Design (RBD) with 12 treatment combinations and 3 replications. Observed variables included plant height, number of leaves, number of tillers, total chlorophyll content, proline content, number of bulbs, bulb diameter, fresh bulb weight with leaves, dry bulb weight with leaves, Cd content in the soil, Cd content in the plants, and the percentage of Cd reduction. The results showed that a dose of 450 kg/ha of Zeolite-Based N fertilizer could increase plant height by 16.65% from 2 to 4 weeks after planting (WAP); the number of leaves by 48.41% from 2 to 7 WAP; and total chlorophyll content by 44.18% compared to no fertilizer. The Cd concentration of 4 ppm reduced plant height by 13.42% at 3 WAP and increased soil Cd content by 16.66% compared to 0 ppm Cd. There was an interaction between the Zeolite-Based N fertilizer and cadmium application on plant height at 6 WAP (Weeks After Planting), with the best results obtained at a fertilizer dose of 300 kg/ha and a cadmium concentration of 4 ppm. Additionally, there was an interaction on the number of leaves at 7 WAP, with the best results achieved using an Zeolite-Based N fertilizer dose of 150 kg/ha with the addition of a cadmium concentration of 2 ppm.

Keywords: Zeolite-Based N Fertilizer, Cadmium, Shallot, Inceptisols.

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