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All Journal Journal of Agri Socio Economics and Business Journal of Geoscience Engineering and Energy (JOGEE)
Azlansyah, Muhammad
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Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Economics, Econometrics & Finance Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Physics Social Sciences

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INCOME ANALYSIS OF ZEA MAYS L. FARMING BUSINESS IN RUMPIN DISTRICT, BOGOR REGENCY Rahmadona, Lola; Azlansyah, Muhammad
Journal of Agri Socio Economics and Business Vol. 6 No. 01 (2024)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/jaseb.6.1.59-72

Abstract

Zea mays L. is one of the productive commodities cultivated in Rumpin District, Bogor Regency. Although Rumpin Regency has potential, it is faced with several problems, namely the high price of fertilizers, the widespread use of similar pesticides, high labor costs, the high price of diesel fuel for the operational needs of agricultural machinery and equipment, and differences in the use of tools and machinery by each farmer in Zea mays L. cultivation activities. The purpose of this research is to analyze the production costs, income, and income efficiency of Zea mays L. farming in Rumpin District. The method used in this research is quantitative. Production cost expenditures were analyzed using cost analysis methods, and farming income efficiency was determined using R/C ratio analysis. The results showed that the total cost incurred was IDR 17,587,098/ha with a cash cost of IDR 7,486,439/ha and non-calculated costs of IDR 10,100,659/ha. Zea mays L. farming resulted in a positive average total income value. Income from cash costs was IDR 21.266.894/ha, and income from total costs was IDR 11.166.235/ha. The R/C ratio for cash costs was 5.17, and the R/C ratio for total costs was 2.42. This profitable Zea mays L.farming business can be continued by farmers in Rumpin District, Bogor Regency.
ANALISIS KESTABILAN LERENG TERHADAP KUAT GESER LANGSUNG PADA TAMBANG ANDESIT DAERAH RUMPIN, KABUPATEN BOGOR, JAWA BARAT: SLOPE STABILITY ANALYSIS BASED ON DIRECT SHEAR STRENGTH PARAMETERS AT THE ANDESITE QUARRY IN RUMPIN, BOGOR REGENCY, WEST JAVA Azlansyah, Muhammad; Yuda, Himmes Fitra; Amri, Muhammad Adimas; Koesmawardani, Wildan Tri
Journal of Geoscience Engineering and Energy VOLUME 7, NOMOR 1, FEBRUARI 2026
Publisher : Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/

Abstract

Kegiatan penambangan andesit di Kecamatan Rumpin, Kabupaten Bogor, membentuk lereng curam yang berpotensi longsor dan membahayakan operasional tambang. Penelitian ini bertujuan menilai kestabilan lereng berdasarkan kondisi geologi dan sifat fisik-mekanik tanah menggunakan Metode Bishop dengan bantuan Slide 6.0. Data diperoleh melalui observasi lapangan, pengambilan sampel tanah tak terganggu pada empat titik, serta pengujian laboratorium untuk menentukan parameter kohesi, sudut geser dalam, bobot isi, permeabilitas, dan kadar air. Hasil menunjukkan lokasi tersusun oleh batuan andesit tanpa struktur geologi yang melemahkan. Nilai faktor keamanan berturut-turut sebesar 1,723 (A-A’), 1,235 (B-B’), 1,625 (C-C’), dan 1,556 (D-D’), serta 1,362 pada model rekomendasi B-B’. Secara umum lereng dalam kondisi stabil, namun tetap diperlukan pengelolaan drainase dan monitoring berkala untuk menjaga kestabilan. Andesite mining activities in Rumpin District, Bogor Regency, have created steep slopes with potential landslide hazards that may disrupt mining operations. This study aims to evaluate slope stability based on geological conditions and the physical–mechanical properties of the soil using the Bishop Method with the assistance of Slide 6.0 software. Data were obtained through field observations, undisturbed soil sampling at four locations, and laboratory testing to determine cohesion, internal friction angle, unit weight, permeability, and water content. The results indicate that the study area is composed of andesite rock without any weakening geological structures. The calculated safety factors are 1.723 (A-A’), 1.235 (B-B’), 1.625 (C-C’), and 1.556 (D-D’), with a value of 1.362 for the recommended model at section B-B’. Overall, the slopes are classified as stable; however, proper drainage management and periodic monitoring are still required to maintain stability.
Co-Authors Amri, Muhammad Adimas Koesmawardani, Wildan Tri Lola Rahmadona, Lola Yuda, Himmes Fitra