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All Journal Jurnal Technopreneur (JTech) Jurnal Nasional Komputasi dan Teknologi Informasi TIN: TERAPAN INFORMATIKA NUSANTARA Jurnal Abadimas Gorontalo Jurnal Abdimas Dosma Jurnal Ilmu Komputer Jurnal Teknik Ilmu dan Aplikasi Jurnal Teknologi Informasi Indonesia Journal of International Multidisciplinary Research Al-Qalam: Jurnal Kajian Islam Dan Pendidikan Jurnal Abdimas Dosma
Nursetiawati Nursetiawati
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SOSIALISASI METODE PENYUBURAN TANAH UNTUK PENGENDALIAN KEKERINGAN DAN EROSI DI DESA MOLANIHU KECAMATAN BONGOMEME: SOSIALISASI METODE PENYUBURAN TANAH UNTUK PENGENDALIAN KEKERINGAN DAN EROSI DI DESA MOLANIHU KECAMATAN BONGOMEME Sri Rahayu Ayuba; Dewi Sartika T Zees; Nursetiawati Nursetiawati
JURNAL ABDIMAS DOSMA (JAD) Vol. 4 No. 2 (2025): JUNI
Publisher : IKATAN ALUMNI DOSEN MAGANG KEMENRISTEKDIKTI TAHUN ANGKATAN 2017

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70522/jad.v4i2.123

Abstract

Drought and erosion are reducing soil fertility, which is a serious problem for the residents of Molanihu Village in Bongomeme District in Gorontalo Regency. The main source of income for the local population is agriculture, hence this has an effect on the local economy. To encourage farmers to actively participate in community service projects, a natural and environmentally safe method of enriching soil was provided. Participatory qualitative description was the method utilized in this exercise, which aims to collect detailed information about a problem. The primary participants in the program were thirty farmers. They learned about hydrosowing, planting legumes, conserving soil with plants, and using organic fertilizers. Farmers started to understand the idea of employing natural soil conditioning techniques and the potential for increased yields in a scenario of growing crop production. After applying organic fertilizers, soil fertility and agricultural productivity increased along with improvements in soil structure, water retention, and erosion rate. When applied as supplements to economic and agricultural outputs, these improvements proved advantageous. However, significant difficulties were caused by a lack of access to raw materials and fundamental resources for more efficient training. This program demonstrated how actively supporting farmers via education and training promotes environmentally responsible land management. Using organic fertilizers not only improves farmers' skills but also helps reduce pollution and prevent environmental disasters like erosion and drought.
Estimasi Harga Mobil Bekas Menggunakan Fuzzy Mamdani pada Domain Homogen Nursetia Wati; Rian Oktavianto Husain
Jurnal Teknik Ilmu dan Aplikasi Vol. 7 No. 02 (2026): Jurnal Teknik Ilmu dan Aplikasi
Publisher : Politeknik Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33795/jtia.v7i02.9872

Abstract

Ketidakpastian dalam penetapan harga kendaraan bekas sering menimbulkan asimetri informasi yang merugikan pembeli maupun penjual. Penelitian ini merancang sistem estimasi harga mobil bekas menggunakan Fuzzy Inference System metode Mamdani dengan tujuh variabel input, yaitu tahun kendaraan, jarak tempuh, status kepemilikan, jenis transmisi, kapasitas mesin, jenis bahan bakar, dan tipe penjual. Penelitian difokuskan pada kendaraan merek Hyundai, Honda, dan Toyota menggunakan 639 data hasil penyaringan dari dataset Car Details V4 Kaggle yang berjumlah 2059 data. Pembatasan domain dilakukan untuk meningkatkan presisi knowledge base terhadap karakteristik harga kendaraan segmen menengah. Knowledge base dibangun menggunakan 17 aturan fuzzy berlapis yang mencakup matriks inti tahun dan kapasitas mesin, penalti depresiasi, serta apresiasi kondisi tertentu. Proses defuzzifikasi menggunakan metode centroid of area dengan batas output 5.000.000 INR. Hasil evaluasi menunjukkan akurasi kategorisasi sebesar 54%, hit rate toleransi ±30% sebesar 50,55%, serta F1-score tertinggi 0,70 pada kategori Sangat Murah dengan precision 0,85. Nilai hit rate tersebut lebih tinggi dibandingkan model generik yang mencakup 33 merek kendaraan dengan hit rate ±30% sebesar 26,23%. Hasil penelitian menunjukkan bahwa pembatasan domain pada kendaraan dengan karakteristik harga serupa membantu meningkatkan konsistensi knowledge base dan performa estimasi sistem.
Co-Authors Abdul Wahab Ayuba, Sri Rahayu Bimbing, Zulvita Dalanggo, Estefani Putri Dewi Sartika T Zees Handayani, Tri Pratiwi Husain, Zainudin Ibrahim, Irawan Irman, Dilla Jaya, Risman Lamusu, Rizal Mohamad Ilyas Abas Mohidin, Ismail Mooduto, Sriwahyunangsi Nirmala Afrianti Sahi Permatasari, Sri Hastuti Putra Utina, Sunarto Dwi Raehana, Syarifa Rian Oktavianto Husain Rizal Lamusu Rubiyanto Maku Saiful Bahri Musa Saprina Mamase Sri Rahayu Ayuba Sri Rahayu Ayuba Sri Rahayu Ayuba Suleman, Salman sumardin, sumardin T Zees, Dewi Sartika Utina, Sunarti Dwi Putra Wahyudin Hasyim