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All Journal Journal of Geoscience, Engineering, Environment, and Technology Jurnal Sosial dan Teknologi
Gunawan, Aditiya
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Humanities Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Physics

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Increasing Production Of Purple Sweet Potato (Ipomoea Batatas Poir) By Treatment Of Shimmer Fertilizer and Kaliphos Chloe Ava Charlotte; Gunawan, Aditiya; Patrick Ontario
Journal of Geoscience, Engineering, Environment, and Technology Vol. 9 No. 3 (2024): JGEET Vol 09 No 03 : September (2024)
Publisher : UIR PRESS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jgeet.2024.9.3.19205

Abstract

The title of the research was “Increased Production of Purple Sweet Potato (Ipomoea batatas poir) with Vermicompost and Kaliphos Fertilizer Treatment”. This research was carried out for 4 months in the experimental garden of the Faculty of Agriculture, Islamic University of Riau. The purpose of this study was to determine the effect of interaction and the main effect of increasing purple sweet potato production by the treatment of vermicompost and Kaliphos fertilizer. The design used was a completely randomized factorial design consisting of two factors. The first factor was vermicompost fertilizer (K) with 4 levels: 0. 550. 1.100. 1,650 g/bundle. The second factor is Kaliphos fertilizer: 0.5. 10. 15 g/plant. Parameters observed were the number of tubers per plant (fruit), tuber weight per tuber (g), tuber weight per plant (kg), tuber production per mound (kg), harvest index, and fresh chestnut weight per plant (kg). The last observational data were analyzed statistically and continued with the BNJ follow-up test at level 5 %. The results of the study conclude that the interaction effect of vermicompost and caliphos fertilizer is significant on tuber weight per tuber, tuber weight per plant, tuber production per mound, harvest index, and fresh chestnut weight per plant. The best treatment dose was 1,650 g/mound and Kaliphos 15 g/plant (K3L3). The main effect of vermicompost fertilizer is real in all treatments. The best treatment dose is 1,650 g/mound (K3). The main effect of caliphos fertilizer is significant for all treatments. The best treatment dose is 15 g/plant (L3).
Implementasi Environmental Management Accounting (EMA) dalam Efisiensi Biaya Instalasi Pengelolaan Limbah di Kawasan Industri Kujang Cikampek Gunawan, Aditiya; Puspitasari, Meliana; Rachpriliani, Awaliawati
Jurnal Sosial Teknologi Vol. 6 No. 5 (2026): Jurnal Sosial dan Teknologi
Publisher : CV. Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jurnalsostech.v6i5.32807

Abstract

Penelitian ini bertujuan untuk menganalisis implementasi Environmental Management Accounting (EMA) dalam meningkatkan efisiensi biaya operasional Instalasi Pengolahan Air Limbah (IPAL) di PT Kawasan Industri Kujang Cikampek (PT KIKC). Metode yang digunakan dalam penelitian ini adalah metode kualitatif dengan pendekatan naratif dari sumber data primer dan sekunder. Data primer diperoleh melalui wawancara semi terstruktur dengan pihak yang terlibat dalam pengelolaan dan pencatatan biaya lingkungan, sedangkan data sekunder diperoleh dari laporan biaya lingkungan dan laporan keuangan perusahaan periode 2022–2025. Hasil penelitian menunjukkan bahwa PT KIKC telah menerapkan konsep Environmental Management Accounting (EMA) melalui pengklasifikasian biaya lingkungan ke dalam kategori prevention cost, detection cost, dan failure cost. Penerapan EMA tersebut membantu perusahaan dalam mengidentifikasi, mengendalikan, dan mengevaluasi biaya lingkungan secara lebih sistematis sehingga mendukung efisiensi biaya operasional IPAL. Namun demikian, masih terdapat beberapa aspek yang perlu ditingkatkan, khususnya dalam pengelolaan dan pencatatan biaya lingkungan agar lebih optimal. Dengan demikian, penerapan EMA berperan penting dalam meningkatkan efisiensi biaya serta mendukung pengelolaan lingkungan yang berkelanjutan di PT KIKC.
Co-Authors Chloe Ava Charlotte Patrick Ontario Puspitasari, Meliana Rachpriliani, Awaliawati