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All Journal Jurnal Penelitian Saintek Jurnal Ilmu Lingkungan Agrikultura Bulletin of Scientific Contribution : Geology Teknotan: Jurnal Industri Teknologi Pertanian Journal of Degraded and Mining Lands Management Jurnal Agroekoteknologi Jurnal Agro Kultivasi SAINS TANAH - Journal of Soil Science and Agroclimatology Agrotekma: Jurnal Agroteknologi dan Ilmu Pertanian Jurnal Permukiman Jurnal Agrotek Indonesia Soil REns Jurnal Agro Wiralodra Agrifarm: Jurnal Ilmu Pertanian
Benny Joy
Fakultas Pertanian Universitas Padjadjaran
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Environmental Science Other

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Karakteristik Daerah Aliran Sungai (DAS) Air Bengkulu dan Perubahan Penggunaan Lahannya dalam Kaitannya dengan Kejadian Banjir Gredia Sekar Saraswati; Chay Asdak; Benny Joy
Jurnal Ilmu Lingkungan Vol 23, No 4 (2025): July 2025
Publisher : School of Postgraduate Studies, Diponegoro Univer

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jil.23.4.915-922

Abstract

Daerah Aliran Sungai (DAS) merupakan suatu areal tempat berlangsungnya proses-proses biofisik hidrologis; yang menerima, mengumpulkan air hujan, sedimen dan unsur hara serta mengalirkannya pada sungai utama ke laut atau danau.  Salah satu DAS dengan kepadatan penduduknya paling tinggi di Provinsi Bengkulu adalah DAS Air Bengkulu.  Penelitian ini dilakukan untuk melakukan pengkajian terhadap karakteristik DAS Air Bengkulu, perubahan penggunaan lahan tahun 2013-2022 dan hubungannya dengan frekuensi kejadian banjir. Analisis sistem informasi geografis (SIG), analisis data curah hujan harian, dan Statistical Package for the Social Sciences (SPSS) digunakan dalam penelitian ini.  Hasil penelitian menunjukkan bahwa DAS Air Bengkulu memiliki luas ± 50.035 ha, keliling DAS-nya 110,63 km, Panjang sungai utama 57,91 km, lebar DAS-nya 20,13 km, Panjang DAS-nya 37,93 km, ketinggian tempat 0-1.000 mdpl, dan jumlah sungai keseluruhan 14 buah. Bentuk DAS ini termasuk paralel, dengan pola aliran sungainya denditrik dan nilai kerapatan sungai 1,06. DAS Air Bengkulu ini termasuk kategori yang harus dipulihkan karena memiliki lahan kritis yang luas. Dalam kurun waktu 10 tahun (2012-2021) telah terjadi perubahan penggunaan lahan di DAS Air Bengkulu. Penggunaan lahan berupa hutan berkurang seluas 2.684 ha (5,4%), perkebunan sawit bertambah 1.966 ha (3,9%), pemukiman bertambah 2.800 ha (5,6%), lahan pertanian campur bertambah 1.973 ha (3,9%), dan areal pertambangan bertambah 1.637 ha (3,2%).  Fluktuasi kejadian banjir yang terjadi di DAS Air Bengkulu dipengaruhi oleh intensitas curah hujan dan penggunaan lahannya. Korelasi luasan lahan pertanian, pemukiman, sawah; perkebunan dan pertambangan bernilai positif artinya meningkatnya jumlah penggunaan ini akan meningkatkan nilai debitnya.  Korelasi luasan hutan dan semak belukar bernilai negatif artinya meningkatnya luas penggunaan lahan ini akan menurunkan debit sungainya. Kelas penggunaan lahan dan curah hujan memiliki hubungan yang kuat terhadap debit total, dengan nilai diterminasi 95%.
Spatial distribution of status silicon availability for plant and its effect to rice yield Qurrohman, Budy Frasetya Taufik; Suriadikusumah, Abraham; Joy, Benny; Sudirja, Rija
SAINS TANAH - Journal of Soil Science and Agroclimatology Vol 20, No 1 (2023): June
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/stjssa.v20i1.65862

Abstract

Silicon (Si) is a beneficial element for rice plants. However, evaluating the Si availability status of paddy soil is rarely done. This study aimed to investigate the Si availability for plant (SiAP), spatial distribution, SiAP correlations with some soil properties and the effect of SiAP status on the rice yield. This study used a survey method to collect paddy soil and water sample. The pot experiment method was used to evaluate paddy plant response to SiAP level. Based on K-means, cluster analysis showed that soil SiAP was categorized low (< 147 mg SiO2 kg-1), moderate (147 – 224 mg SiO2 kg-1) and high (> 224 mg SiO2 kg-1). The SiAP status of the paddy soil area of 26,395 hectares (25%), 61,744 hectares (59%) and 15,952 hectares (15%) was categorized as low, moderate and high, respectively. This present study revealed that the upland area paddy soil has higher SiAP than the lowland area. Total silicon dioxide (SiO2) and clay percentage were negatively correlated with the SiAP in soils. Silicon addition to the paddy soil with SiAP status showed low to high increase in rice yield by 0.2%, 3.9% and 2.7%.
Pemilihan Sistem Air Limbah-Lumpur Tinja Komunal Menggunakan Analisis Klaster Hirarki Elis Hastuti; Benny Joy; Unang Supratman
Jurnal Permukiman Vol 19 No 1 (2024)
Publisher : Direktorat Bina Teknik Bangunan Gedung dan Penyehatan Lingkungan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31815/jp.2024.19.01-13

Abstract

Management of fecal sludge from decentralized wastewater treatment plants (WWTP) is a challenge in settlements have limited access to centralized sludge treatment facilities. This paper reviewed the  selection and development strategy of integrated communal WWTP and fecal sludge treatment (SIPAL-LT).  The dominant factors influence sustainability of SIPAL-LT are treatment system, management, environment, and community characteristic. The development of  SIPAL-LT were determined  based on the sustainability profile of location study, technology selection, and development profile of SIPAL-LT. The selection and priority  of SIPAL-LT system were analyzed by hierarchical cluster, while  development strategies by quadrants method. The SIPAL-LT that feasible to develop is in a cluster that has characteristic, including domestic wastewater treated categorized low-medium pollution, existing user of communal WWTP more than 60% of capacity, fecal sludge  categorized light pollution, maintenance index categorized low- medium, overall effectiveness equipment  index of communal WWTP more than 60%, and participation stage categorized medium-high.  The best SIPAL-LT in study location has communal WWTP applied biofilter or digester anaerobic technology, while planning of fecal sludge treatment applied constructed wetland or sludge dyring bed combined by co-composting. 
Co-Authors Abraham Suriadikusumah Agung Karuniawan Ahmad Choibar Tridakusumah Ai Ening Rostini Aisyah D Suyono Alia Halimatusy Ania Citraresmini Anni Yuniarti Budy Frasetya Taufik Qurrohman Chamid Itmam Chamid Itmam Chay Asdak Dedi Nusyamsi Dirga Sapta Sara Diyan Herdiyantoro Djuwansah, Muhamad Rachman Edi Tri Haryanto, Edi Tri Elis Hastuti Emi Sukiyah Emma T. Sofyan Emma Trinurani Sofyan Euis Amilia Fajar Pratama Putra Fauziah, Nicky Oktav Ficky Yulianto Wicaksono Fiky Yulianto Wicaksono Gredia Sekar Saraswati Gumelar, Fajar Akbar H.E. Hidayat Salim HAPPY WIDIASTUTI Hendarmawan Hendarmawan Husen, Anne Yuliana Ida Nur Istina Ida Nur Istina Iin Handayani Jajang Sauman Hamdani Mahfud Arifin Maulinda, Restiana Maya Damayani Mieke Rochimi Setiawati Muhammad Imam Al Mu&#039;min Muhammad, Fadlan Atalla Nana Danapriatna Nenny Nurlaeny Oviyanti Mulyani Pujawati Suryatmana Qurrohman, Budy Frasetya Taufik Rahmayanti, Fetty Dwi Rani Ros Ratna Santi, Ratna Regina Hindersah Reginawanti Hindersah Remona, Rizkiyani Rhazista Noviardi Rija Sudirja Rina Devnita Rival, Rival RR Darlita RR Darlita Santi Rosniawaty Sunardi Sunardi Teguh Husodo Tualar Simarmata Unang Supratman Wicaksono, Ficky Yulianto Yulianti Machfud Yuliati Machfud Yuliati Machfud