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All Journal Cannarium (Jurnal Ilmu-ilmu Pertanian) Techno: Jurnal Penelitian Journal of Rural Indonesia Journal of Degraded and Mining Lands Management SAINTIFIK@ : Jurnal Pendidikan MIPA Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Pengabdian Masyarakat Khatulistiwa Jurnal Pengabdian kepada Masyarakat Jurnal Abdimas Bina Bangsa Abdimas Awang Long: Jurnal Pengabdian dan Pemberdayaan Masyarakat Agrikan: Jurnal Agribisnis Perikanan BARAKATI: Journal of Community Service
Mardiyani Sidayat
Program Studi Agribisnis, Fakultas Pertanian, Universitas Khairun
Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Public Health Social Sciences Other

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Assessing heavy metal contamination and soil fertility in degraded farmland adjacent to nickel mining: Pathway towards sustainable land management in Halmahera Region, Indonesia Ishak, Lily; Teapon, Amiruddin; Subur, Riyadi; Armaijn, Liasari; Sidayat, Mardiyani; Abdul Rachman, Idris; Ladjinga, Erwin
Journal of Degraded and Mining Lands Management Vol. 13 No. 3 (2026)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2026.133.10491

Abstract

A continuous decline in crop yields in the Halmahera region of Indonesia, has been attributed to potential soil contamination by heavy metals from mining activities. Yet, the extent to which such contamination directly drives farmland degradation in this region remains undercover. This study aims to quantify the concentration and spatial distribution of selected heavy metals, evaluate their ecological risks, assess soil fertility in the affected areas, and propose directions on future research for sustainable land management (SLM). Sixteen soil samples were collected and analyzed for physicochemical properties and concentrations of Fe, Ni, As, Cd, Co, and Hg. The results indicates that Fe exhibited the highest concentration (11,894 mg kg?¹), whereas Hg was negligible. Strong positive correlations and similar spatial distribution patterns were observed among Fe, Ni, and Co, which distincted from those of As and Cd. The pollution load index revealed moderate contamination for Fe and low contamination for other metals, while geoaccumulation index values ranged from low to moderate, reflecting contributions from both natural and anthropogenic sources. Ecological risk assessment indicated a low risk level. Additionally, soil fertility was considered low, characterized by reduced organic carbon, nitrogen, potassium, cation exchange capacity, and base saturation. Findings of this study provide a crucial foundation for future research to develop a conceptual framework for SLM that supports farmland restoration, improves soil health, increases crop yields and ecosystem services, and enhances the knowledge and economic benefits of local communities in this region.
PELATIHAN PEMBUATAN PUPUK KOMPOS PADA KELOMPOK TANI BERSATU DI KELURAHAN SOFIFI KECAMATAN OBA UTARA KOTA TIDORE KEPULAUAN Natal Basuki; Mardiyani Sidayat; Nurdiyanawati Djumadil; Fatmawati Kaddas; Mila Fatmawati; Haris Mahmud; Nursamsi Nursamsi; Khairun Annisa; Syahroni Syahroni
Jurnal Pengabdian Masyarakat Khatulistiwa Vol 9, No 1 (2026): APRIL
Publisher : STKIP Persada Khatulistiwa Sintang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31932/jpmk.v9i1.7066

Abstract

ABSTRACTThe strategic potential of Sofifi Urban Village—particularly regarding natural resources such as those in the agricultural sector—offers economic opportunities that can boost local incomes. To date, however, the community has not fully adopted the practice of utilizing household waste or local resources to create products with greater economic value. This community service program aims to foster an understanding of how to generate creative ideas for transforming household waste into natural fertilizer. The program was conducted in four stages: observation, preparation, implementation, and monitoring and evaluation. Compost was produced from household waste—such as vegetable scraps and fruit peels—mixed with EM4 (Effective Microorganisms) to accelerate the decomposition process. Household waste that would otherwise be discarded can yield significant benefits when repurposed into useful products like compost. The resulting compost ranges in color from dark brown to black, resembling soil. As the product is water-insoluble and odorless, it can be concluded that the quality of the compost produced is excellent.Keywords: Waste; Compost; Empowerment; EM4 and Agriculture ABSTRAKPotensi strategis di Kelurahan Sofifi, terutama dari sumber daya alam seperti pertanian, menjadi daya tarik ekonomi yang dapat meningkatkan penghasilan masyarakat setempat. Selama ini, masyarakat masih kurang terbiasa menggunakan sampah rumah tangga atau potensi sumber daya di sekitar untuk membuat produk yang lebih bernilai secara ekonomi. Program Pengabdian Kepada Masyarakat ini bertujuan memberikan pemahaman tentang cara menemukan ide-ide kreatif dalam memanfaatkan sampah rumah tangga menjadi pupuk alami. Metode yang digunakan dalam kegiatan pengabdian ini dilakukan dalam 4 tahap, yaitu observasi, persiapan, pelaksanaan, dan monitoring serta evaluasi. Pupuk kompos dibuat dari limbah rumah tangga seperti sisa sayuran dan kulit buah, lalu dicampur dengan pupuk EM4 sebagai bahan pengatur untuk mempercepat proses pembuatan pupuk tersebut. Limbah rumah tangga yang sudah tidak bisa digunakan lagi memiliki manfaat jika diolah kembali menjadi benda yang berguna, seperti pupuk kompos. Pupuk kompos yang dihasilkan dari kegiatan ini berwarna coklat tua hingga hitam, mirip dengan warna tanah.Pupuk tersebut tidak larut dalam air dan tidak memiliki bau, sehingga dapat disimpulkan bahwa kualitas pupuk kompos yang dihasilkan cukup baik.Kata Kunci: Limbah; Pupuk Kompos; Pemberdayaan; EM4 dan Pertanian
Co-Authors Abdul Rachman, Idris Adriani Adriani amiruddin teapon Ashwath, Nanjappa Baguna, Firlawanti Djumadil, Nurdiyanawati Eka Kusuma Dewi Eka Kusuma Dewi Fatmawati, Mila Fatmawaty Kaddas Haris Mahmud Herman Darwis Ishak, Lily Kaddas, Fatmawati Kadir Lahati, Betty karmila ibrahim Khairun Annisa Khairun Annisa Ladjinga, Erwin Liasari Armaijn Mila Fatmawati NANJAPPA ASHWATH Natal Basuki Natal Basuki Nursamsi Nursamsi Nursamsi, Nursamsi Reginawanti Hindersah Riyadi Subur, Riyadi Siti Nurjannah Suhardi Suhardi Suhardi Suleyman Suleyman Syahroni Syahroni Syahroni Syahroni