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All Journal Jurnal Agronomi Tanaman Tropika (JUATIKA) Journal Serambi Engineering (JSE)
Maroeto
Universitas Pembangunan Nasional “Veteran” Jawa Timur
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering

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Nutrisi sebagai Faktor Pendukung Aktivitas Biologis Larva Tenebrio molitor dalam Potensi Pemanfaatannya untuk Biodegradasi Styrofoam Alifia Putri Arini; Nurvita Cundaningsih; Raden Kokoh Haryo Putro; Maroeto; Aulia Ulfah Farahdiba
Jurnal Serambi Engineering Vol. 11 No. 3 (2026): Juli 2026
Publisher : Faculty of Engineering, Universitas Serambi Mekkah

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Abstract

Styrofoam merupakan sampah plastik berbasis polistirena yang sulit terurai secara alami. Salah satu alternatif pengelolaannya adalah pemanfaatan larva Tenebrio molitor sebagai agen biodegradasi. Penelitian ini bertujuan untuk menganalisis peran penambahan nutrisi dalam mendukung aktivitas biologis larva pada media yang mengandung styrofoam. Penelitian dilakukan selama 20 hari menggunakan perlakuan kontrol, asam amino, probiotik, soybean lecithin, dan tanpa nutrisi. Parameter yang diamati meliputi suhu, pH, pertumbuhan larva, dan konsumsi sampah sisa makanan. Hasil penelitian menunjukkan bahwa seluruh perlakuan mengalami peningkatan massa larva, dengan pertumbuhan tertinggi pada perlakuan soybean lecithin sebesar 129,5 g dan terendah pada perlakuan tanpa nutrisi sebesar 111,5 g. Hasil ini menunjukkan bahwa penambahan nutrisi mendukung aktivitas biologis larva pada media yang mengandung styrofoam. Kemampuan larva untuk tetap tumbuh menunjukkan potensi pemanfaatan Tenebrio molitor sebagai agen biodegradasi sampah styrofoam.  
Evaluation of Land Suitability for Durian Plants (Durio zibethinus Murr.) in Wonosalam Village, Wonosalam District, Jombang Regency, East Java, Indonesia Sabrina Dinda Kharisma Putri; Maroeto; Purwadi
JURNAL AGRONOMI TANAMAN TROPIKA (JUATIKA) Vol. 8 No. 2 (2026): Jurnal Agronomi Tanaman Tropika (JUATIKA) Vol. 8 No. 2 Mei 2026
Publisher : LPPM UNIVERSITAS ISLAM KUANTAN SINGINGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/juatika.v8i2.5165

Abstract

Durian (Durio zibethinus Murr.) is a high-value tropical fruit commodity with strong development potential in humid tropical regions such as Wonosalam Village, Wonosalam District, Jombang Regency, East Java. However, durian productivity is highly dependent on land suitability in relation to crop growth requirements. This study aimed to evaluate actual land suitability for durian cultivation based on soil biophysical characteristics. Land evaluation was conducted using the matching method by comparing field and laboratory soil data with durian suitability criteria proposed by Ritung et al. (2011). Observed parameters include temperature, rainfall, humidity, drainage, soil texture, coarse fragments, effective soil depth, base saturation, cation exchange capacity, soil pH, organic carbon, available nutrients nitrogen, phosphorus and potassium, slope, erosion hazard, flood hazard, surface rock, and rock outcrops. The results showed that actual land suitability classes ranged from S2 moderately suitable to S3 marginally suitable. The dominant limiting factors were suboptimal drainage, low nitrogen and potassium availability, and slope-related erosion risk in several land units. The main strength of this study lies in its integrated assessment combining soil properties with farmer land management practices, providing a realistic depiction of durian cultivation potential under current conditions. The findings offer a basis for land use planning and site selection for durian development. It is recommended that farmers and local stakeholders apply integrated soil management practices including drainage improvement, balanced fertilization, liming, and soil conservation measures to reduce limiting factors. These recommendations are expected to improve land suitability, increase durian productivity, and support sustainable land management.
Co-Authors Alifia Putri Arini Aulia Ulfah Farahdiba Nurvita Cundaningsih Purwadi Raden Kokoh Haryo Putro Sabrina Dinda Kharisma Putri