EFEKTIVITAS ARANG SEKAM PADI SEBAGAI AGEN REMEDIASI TANAH TERCEMAR MIKROPLASTIK PET TERHADAP PRODUKTIVITAS KANGKUNG DARAT (Ipomoea reptans)
DOI:
https://doi.org/10.30998/7p204a20Keywords:
PET microplastics, rice husk biochar, Ipomoea reptans, soil remediation, vegetative growthAbstract
Polyethylene Terephthalate (PET) microplastics from plastic bottle waste contaminate agricultural soil, inhibiting plant growth including land kangkung (Ipomoea reptans) through disrupted water uptake, nutrient absorption, and soil aeration. This study aimed to evaluate the effectiveness of rice husk biochar as a remediation agent for PET microplastic-contaminated soil on land kangkung vegetative growth. A completely randomized design (CRD) with 2×2 factorial arrangement was employed, featuring microplastic contamination (M₀: 0%; M₁: 5%) and rice husk biochar remediation (S₀: without; S₁: 20%), yielding four treatment combinations (M₀S₀, M₀S₁, M₁S₀, M₁S₁) each replicated three times. Kangkung seeds were planted in polybags, maintained for 15 days with 50 mL daily irrigation, and assessed for stem length, leaf length, and leaf width. Results revealed the stress treatment M₁S₀ yielded the lowest growth (stem 11.9 cm, leaf length 3.4 cm, width 0.9 cm), while positive control M₀S₁ achieved the highest (stem 21.4 cm, leaf length/width 4.8/1.4 cm). Remediation treatment M₁S₁ recovered growth (stem 14.8 cm, leaf length 4.0 cm, width 1.2 cm), confirming rice husk biochar mitigates microplastic effects by improving soil physicochemical properties. Conclusion: Rice husk biochar proves effective as a cost-efficient, eco-friendly remediation strategy for microplastic-polluted soil, enhancing land kangkung productivity.
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Copyright (c) 2026 Muhammad Farruq Khairullah Farruq, Muhammad Luthfi Abdul Rahman, Edi Purnama, Muhammad Haikal Hafidz Akbari (Author)
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