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The Analysis of Phosphorus and Potassium As Macronutrients And Zinc As A Micronutrient In Solid Organic Fertilizer Derived From Biowaste As An Applied Science Innovation Supporting SDG 2, 9, And 12 David, Daviella; Sari, Meidita Kemala; Siregar, Sri Hilma
Urecol Journal. Part D: Applied Sciences Vol. 5 No. 2 (2025): August-Dec
Publisher : Konsorsium LPPM Perguruan Tinggi Muhammadiyah 'Aisyiyah (PTMA) Koordinator Wilayah Jawa Tengah - DIY

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Abstract

Sustainable agriculture plays a crucial role in achieving SDG 2 (Zero Hunger), SDG 9 (Industry, Innovation and Infrastructure), and SDG 12 (Responsible Consumption and Production). One strategic approach to achieving these goals is the utilization of solid organic fertilizers derived from biowaste, which can enhance soil fertility and strengthen food security. The effectiveness of such fertilizers is highly influenced by their macro- and micronutrient content, which must comply with national quality standards. This study analyzes the levels of phosphorus (P), potassium (K), and zinc (Zn) in three samples of solid organic fertilizer (PAP 01, PAP 02, and PAP 03) based on the Indonesian National Standard (SNI) 7763:2018, along with moisture content as an indicator of product stability. Phosphorus was analyzed using UV-Vis spectrophotometry, while potassium and zinc were measured using Atomic Absorption Spectrophotometry (AAS). The results showed moisture content ranging from 5.02% to 45.24%, P?O? from 1.47% to 4.00%, K?O from 1.58% to 2.86%, and Zn at 261.22 mg/kg, with good analytical precision (RPD and RSD < 5%). These findings indicate that solid organic fertilizers meet the minimum nutrient requirements for plant growth. The application of analytical chemistry in this study not only ensures product quality but also supports applied science innovation in promoting sustainable agriculture and community empowerment through science-based development.
Improving Environmental Literacy and Waste Management Skills among ‘Aisyiyah Orphanage through Recycled Plastic Bottle Utilization Kemala Sari, Meidita; Siregar, Sri Hilma; Irma, Wirdati; Nasution, Hasmalina; Isnaniar, Isnaniar; Amini, Rahmi; Gasril, Pratiwi; Gesriantuti, Novia; Norlita, Wiwik; Herlinda, Susi
Jurnal Pengabdian UntukMu NegeRI Vol. 10 No. 2 (2026): Pengabdian Untuk Mu negeRI
Publisher : LPPM UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jpumri.v10i2.12057

Abstract

This community service program aimed to improve environmental literacy and waste management skills among children at ‘Aisyiyah Orphanage. The program involved 45 participants from elementary, junior high, and senior high school levels. The activity was conducted in response to the low level of awareness regarding proper waste management and the negative impacts of waste on environmental quality and public health. The implementation methods included educational counseling on environmental issues and waste management, interactive discussions, and hands-on training in transforming used plastic bottles into flower pots. Evaluation was carried out through participant observation and assessments of knowledge before and after the activity. The results demonstrated a significant improvement in participants’ understanding of waste classification, the environmental and health impacts of waste, and the importance of the Reduce, Reuse, and Recycle (3R) principles. Furthermore, participants successfully converted used plastic bottles into functional flower pots, demonstrating enhanced practical waste management skills. The program offered an engaging learning experience that fostered environmentally responsible attitudes and behaviors among the children at the orphanage. Similar initiatives should be implemented continuously to strengthen sustainable waste management practices and promote environmental stewardship among young generations