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Implications of Conventional and Organic Coffee Farming Systems on Soil Chemical Properties Husna Husna; Tandaditya Ariefandra Airlangga; AH Maftuh Hafidh Zuhdi; Hafiz Luthfi
AgriMalS Vol 6 No 1 (2026): Volume 6 Nomor 1 Tahun 2026
Publisher : Universitas Muhammadiyah Kotabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/agrimals.v6i1.2246

Abstract

ABSTRACT The coffee cultivation system has important implications for soil quality, particularly soil chemical properties that play a role in supporting plant growth and productivity. This study aimed to analyze the implications of conventional and organic coffee cultivation systems on soil chemical properties in West Lampung Regency. The research was conducted from March to September 2025 using a survey method with a comparative approach. Soil samples were collected at a depth of 0–20 cm from coffee fields managed under conventional and organic cultivation systems, with three replications for each system. The parameters analyzed included soil pH, organic carbon (C-organic), total nitrogen (N-total), available phosphorus (P-available), available potassium (K-available), and cation exchange capacity (CEC). Data were analyzed using analysis of variance (ANOVA), followed by the Least Significant Difference (LSD) test at the 5% level when significant differences were observed. The results showed that the coffee cultivation system had a highly significant effect on soil pH, organic carbon content, and available phosphorus. The organic cultivation system exhibited higher soil pH (6.30), organic carbon (2.35%), and available phosphorus (19.00 mg kg⁻¹) compared to the conventional system. Meanwhile, total nitrogen, available potassium, and CEC did not show significant differences between cultivation systems. These findings indicate that organic coffee cultivation is more effective in improving soil chemical properties related to soil reaction and nutrient availability, thereby potentially supporting the sustainability of coffee agroecosystems.
PEMBERDAYAAN MASYARAKAT BERBASIS TEKNOLOGI TEPAT GUNA MELALUI PENGOLAHAN TEH DAUN GAHARU DI LAMPUNG SELATAN Sarono Sarono; Yeni Variyana; Hafiz Luthfi; Subandi Subandi; Amelia Sri Rezki
SWADIMAS: JURNAL PENGABDIAN KEPADA MASYARAKAT Vol 4, No 2 (2026): SWADIMAS EDISI JULI 2026
Publisher : Institut Teknologi dan Bisnis Swadharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56486/swadimas.vol4no2.1275

Abstract

This community service program aims to enhance the economic resilience of agarwood farmers (Aquilaria malaccensis) through the utilization of agarwood leaves into herbal tea products in Sabah Balau Village, South Lampung Regency. The main problem faced by the community is their dependence on resin (gubal) production, which requires a long harvesting period and results in unstable income. In addition, the potential of agarwood leaves as a value-added product has not been optimally utilized due to limitations in knowledge, technology, and processing equipment. The method used is a participatory approach through Focus Group Discussions (FGD), training, technology transfer, and mentoring. This program focuses on processing agarwood leaves into herbal tea, supported by appropriate technology in the form of a tea grinding machine provided to the partners. Evaluation was conducted through pre-tests and post-tests, direct observation, and analysis of community participation levels. The results show a significant improvement in participants’s knowledge and skills, with a participation rate reaching 85% in training and mentoring activities. The provision of a tea grinding machine has demonstrably improved production efficiency and consistency. The resulting agarwood tea product exhibits antioxidant activity with an IC50 value of 0.584 mg/mL based on laboratory testing. In addition, there has been an increase in the partners’ basic understanding of business management. Overall, this program has successfully strengthened community capacity, created new economic opportunities, and supported the sustainability of agroindustry based on local potential.Program pengabdian kepada masyarakat ini bertujuan untuk meningkatkan ketahanan ekonomi petani gaharu (Aquilaria malaccensis) melalui pemanfaatan daun gaharu menjadi produk teh herbal di Desa Sabah Balau, Kabupaten Lampung Selatan. Permasalahan utama yang dihadapi masyarakat adalah ketergantungan pada hasil gubal yang membutuhkan waktu panen lama sehingga menyebabkan ketidakstabilan pendapatan. Selain itu, potensi daun gaharu sebagai produk bernilai tambah belum dimanfaatkan secara optimal akibat keterbatasan pengetahuan, teknologi, dan peralatan pengolahan. Metode yang digunakan adalah pendekatan partisipatif melalui Focus Group Discussion (FGD), pelatihan, transfer teknologi, serta pendampingan. Program ini difokuskan pada pengolahan daun gaharu menjadi teh herbal dengan dukungan teknologi tepat guna berupa mesin penggiling teh yang diserahkan kepada mitra. Evaluasi dilakukan melalui pre-test dan post-test, observasi langsung, serta analisis tingkat partisipasi masyarakat. Hasil kegiatan menunjukkan peningkatan signifikan dalam pengetahuan dan keterampilan peserta, dengan tingkat keterlibatan mencapai 85% dalam kegiatan pelatihan dan pendampingan. Penyerahan alat penggiling teh dapat meningkatkan efisiensi dan konsistensi produksi secara nyata. Produk teh gaharu yang dihasilkan memiliki aktivitas antioksidan dengan nilai IC50 sebesar 0,584 mg/mL setelah dilakukan uji laboratorium. Selain itu, terjadi peningkatan pemahaman dasar manajemen usaha pada mitra. Selanjutnya, program ini berhasil meningkatkan kapasitas masyarakat, menciptakan peluang ekonomi baru, serta mendukung keberlanjutan agroindustri berbasis potensi lokal