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Pemetaan Prediksi Erosi Tanah pada Litologi Breksi Argopura Lereng Gunung Argopura dengan Pendekatan Survai Menggunakan Metode USLE dan SIG Basuki, Basuki; Saputra, Tri Wahyu; Mutmainnah, Laily; Setiawati, Tri Candra; Mandala, Marga; Sari, Vega Kartika
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 12 No 2 (2024): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jrpb.v12i2.583

Abstract

Soil erosion is the loss of land or part of the land from one place to another due to water and wind factors. Land use on the slopes of Mount Argopura has been partly converted to seasonal crops and plantation crops, especially sugar cane. There have been changes, such as in the rainy season, when water flowing into the downstream areas is murky, carrying thick mud. This condition indicates that soil erosion is occurring. The aim of the research is to assess and predict the hazard level of soil erosion in mountainous area of Argopura with the lithology of the Argopura breccia by using the Universal Soil Loss Equation (USLE) method and geographic information systems (GIS). The results showed that the  mountainous area of Argopura is mostly covered by the heavy category area, with soil loss of 180–480 tons/ha/year and an area distribution reaching 1,502.49 ha (37.59%). The distribution in the heavy category was found in land use type of moorland and paddy fields, both irrigated and rainfed. The potential for soil erosion in the very heavy category with a soil loss rate of >480 tons/ha/year covers an area of 508.52 ha (12.72%). The very heavy category is partly due to the use of jungle land and steep slopes, so cultivation carried out on this land needs to be replaced with plant conservation, which can reduce soil erosion.
Comparison of Empirical Methods to Estimated Reference Evapotranspiration Fitriani, Vivi; Bowo, Cahyoadi; Mandala, Marga; Gandri, La
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 12 No 2 (2024): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jrpb.v12i2.629

Abstract

Evapotranspiration plays an important role in agricultural water management and crop modelling. Estimating reference Evapotranspiration (ETo) using meteorological variables, both theoretical and empirical methods, is highly recommended considering the availability of weather data in several locations. The estimation method recommended as the standard method is FAO Penman Monteith (FAOPM), but due to the limited meteorological data in a region and the difficulty and complexity of FAOPM, it is recommended to use the empirical method which is easier and only requires a few simple meteorological variables. The aim of this research is to compare and evaluated empirical methods for estimating ETo against the FAOPM. The statistical analysis using in this research are RSME, MAE, coefficient Correlation, NSE, Average bias, index of agreement, and confidence index (c). Evaluation for the best models based on statistic analyzed shows that several empirical methods show terrible performance in estimating the monthly average ETo (mm/day), which are Thornthwaite-Mather, Hargraves-Samani, Makkink, Hamon, Romaneko, and Kharauffa. Modified Blaney-Criddle method showed a good performance method, while PMAWS showed very good performance The Turc and Hansen method showed excellent performance with RMSE, MAE, NSE, and C values ​​for the Turc method, are 0.12, 0.11, 0.78, 0.92 respectively, and for the Hansen method are 0.12, 0.1, 0.8, and 0.89 respectively.
PEMETAAN EROSI DI WILAYAH KABUPATEN SITUBONDO Muhammad Kholilur Rohman; Indarto Indarto; Marga Mandala
Majalah Ilmiah Globe Vol. 22 No. 1 (2020): GLOBE VOL 22 NO 1 TAHUN 2020
Publisher : Badan Informasi Geospasial

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Sebagian besar lahan di wilayah Kabupaten Situbondo, merupakan lahan sub-optimal kering. Prediksi erosi secara menyeluruh dan mencakup wilayah yang cukup luas diperlukan sebagai dasar perencanaan dan tindakan konservasi sumber daya lahan dan air. Penelitian ini bertujuan untuk menganalisis dan mengklasifikasikan Tingkat Bahaya Erosi (TBE) di wilayah Kabupaten Situbondo. Model USLE dan GIS digunakan sebagai tool utama dalam penelitian ini. Input data penelitian adalah peta digital, yang terdiri dari layer data hujan, jenis tanah, peruntukan lahan, dan data ASTER GDEM2. Adapun tahapan dalam penelitian meliputi (1) inventarisasi dan pengolahan data, (2) interpretasi faktor erosi (R, K, LS, CP), dan (3) menghitung dan mengklasifikasikan TBE. Faktor erosivitas (R) dihitung dari interpretasi data hujan tahunan. Faktor erodibilitas tanah (K) ditentukan dari analisis peta jenis tanah. Faktor panjang dan kemiringan lereng (LS) dihitung berdasarkan data ASTER GDEM2. Faktor pengelolaan tanaman dan tindakan konservasi (CP) ditentukan dari peta tata guna lahan. Peta tata guna lahan dihasilkan dari Peta Rupa Bumi Indonesia digital. Hasil penelitian menunjukkan bahwa rata-rata laju erosi di wilayah Kabupaten Situbondo sebesar 73,37 ton/ha/tahun. Sekitar 65,60% dari luas wilayah Situbondo berada pada kelas TBE sangat ringan (0-15 ton/ha/tahun), 9,74% berada pada kelas ringan (15-60 ton/ha/tahun), 11,50% berada pada kelas sedang (60-180 ton/ha/tahun), dan 8,45% dari luas keseluruhan berada pada kelas berat (180-480 ton/ha/tahun). Hanya, sekitar 4,70% dari luas wlayah tergolong pada kelas sangat berat (>480 ton/ha/tahun).Upaya konservasi perlu direncanakan secara paralel dengan aktivitas peningkatan produktivitas lahan sub-optimal kering di wilayah Kabupaten Situbondo.
Mapping of Soil Quality Index (SQI) for Paddy Fields Using Sentinel-2 Imagery, Laboratory Analysis, and Principal Component Analysis Putri Tunjung Sari; Indarto Indarto; Marga Mandala; Bowo Eko Cahyono
Geosfera Indonesia Vol. 6 No. 2 (2021): GEOSFERA INDONESIA
Publisher : Department of Geography Education, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/geosi.v6i2.24506

Abstract

The use of intensive chemical inputs causes lower availability of nutrients, organic matter, cation exchange capacity, and soil degradation.Therefore, this study aims to assess the soil quality index (SQI) for paddy fields in Jember, East Java, Indonesia. Input data for this study consist of land cover (interpreted from the Sentinel-2 image), soil type, and slope maps. Furthermore, the procedure to calculate soil quality index (SQI) include (1) spatial analysis to create the land unit, (2) preparation of soil sampling, (3) soil chemical analysis, (4) principal component analysis (PCA), and (5) reclassifying soil quality index (SQI). The PCA results showed that three variables i.e., % sand, total- P, and % silt were strongly correlated to SQI, while three classes namely very low, low, and medium of SQI were sufficiently used to describe the spatial variability of the paddy field. Furthermore, approximately 41.14% of the paddy field area were classed as very low while 52.23%, and 6.63% were categorized as low and medium SQI respectively. Based on the results, about 93.37% of paddy fields in Jember Regency still require improvement in soil quality via the addition of ameliorants such as organic fertilizers to increase quality and productivity. This application needs to focus on areas with very low-low quality hence, the quality increased to the medium category. Keywords : Mapping; Soil Quality Index (SQI); PCA; Paddy field Copyright (c) 2021 Geosfera Indonesia and Department of Geography Education, University of Jember This work is licensed under a Creative Commons Attribution-Share A like 4.0 International License
Assessing Leaching Requirement an Ameliorated Saline Soil in a Lysimeter Experiment Bowo, Cahyoadi; Fitriani, Vivi; Mandala, Marga
JOURNAL OF TROPICAL SOILS Vol. 29 No. 1: January 2024
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2024.v29i1.1-9

Abstract

Soil salinity problems in the coastal hinterland region of East Java diminish agricultural development and land productivity. Soil leaching is expected to reduce soil salinity. This study investigated the effectiveness of different ameliorant compositions and leaching requirements (LR) in the leaching process. The experiment involved applying ameliorants (T) and leaching (L) treatments to lysimeters filled with saline soil. The ameliorant treatments included biochar, organic matter, and gypsum. The results showed the leaching requirement capacity to reduce electrical conductivity from 5.7 dS m-1 to below 2 dS m-1. Leaching for T0 (without ameliorants) and T1 (10 Mg ha-1 of biochar) required 943 mm of water, while T2 (20 Mg ha-1 of biochar) and T3 (40 Mg ha-1 of compost) required 1052 mm. The T4 (10 Mg ha-1 of compost and 2 Mg ha-1 of gypsum) necessitated 1154 mm of leaching water. The ameliorants’ application and assortment increased the water demand for leaching. The findings indicated a consistent relationship between TDS and salinity, indicating the soil’s dominant presence of salty ions.
Comparison of soil physical quality index based on simple additive SQI and statistically modeled SQI methods for watershed management in Rembangan, Indonesia Hermiyanto, Bambang; Tika, Sukma Agustin Dyan; Budiman, Subhan Arif; Mandala, Marga; Fitriani, Vivi; Basuki, Basuki
Journal of Degraded and Mining Lands Management Vol. 12 No. 5 (2025)
Publisher : Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15243/jdmlm.2025.125.8493

Abstract

The physical quality of soil is determined by quantitative measurement tools, which are expressed in the form of soil quality indices. Methods for determining soil quality have been developed, but none have been standardized. This research aimed to determine the results of the soil physical quality index based on two methods, namely 1) simple additive SQI, and 2) statistically modeled SQI, followed by a sensitivity test to determine which method is more sensitive. This research was conducted in the Rembangan Sub-watershed, which comprises five sub-districts: Jelbuk, Arjasa, Patrang, Sukorambi, and Panti, with elevations ranging from 125.91 to 854.67 meters above sea level. Based on the paired t-test results, the soil physical quality index between the two methods was significantly different, with a p-value of 0.002. Meanwhile, the sensitivity test results showed that the statistically modeled method was more sensitive than the simple additive method. Thus, the statistically modeled method is the method that can be used to assess the soil physical quality index for land management guidance. The poor or low-quality class dominates the soil quality class, covering an area of 2,088.43 ha (79.43%). Land management actions based on soil quality are divided into three criteria: 1) “fixed efforts” for low-quality soil, 2) “enhanced efforts” for medium-quality soil, and 3) “maintenance efforts” for good-quality soil.
Implementasi Sistem Pertanian Organik di Desa Karangrejo, Kecamatan Gumukmas, Kabupaten Jember: Implementation of Organic Farming Systems in Karangrejo Village, Subdistrict Gumukmas, Jember District Winarso, Sugeng; Arum, Ayu Puspita; Mandala, Marga; Ma'rufi, Isa; Anggriawan, Rendy
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 9 No. 8 (2024): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v9i8.5582

Abstract

The Mulyo Farmer Group of Karangrejo village are the fostered villages of the University of Jember and have long been food producers, especially rice and corn, with the potential to become one of the providers of organic products according to SNI 6729:2016. Therefore it is essential to evaluate the implementation of gab against the standard requirements of organic farming systems. Some of the activities carried out are Evaluation and increasing understanding of the application of organic farming systems by continuing the practice of making biochar from agricultural waste for long-term organic fertilizer base materials; Focus Group Discussion and ongoing assistance by the Soil Biodiversity and Fertility Research Group UNEJ. The results of the activities show that the community and village officials are thrilled and open to several activities to be carried out. The results of the initial evaluation using the checklist for fulfilling the requirements of SNI 6729:2016 are based on eight variables related to fresh plants and plant products, indicating that there is no program yet to meet the needs of the organic farming system of SNI 6729:2016 or it has not yet been fulfilled. Even though it has not been fulfilled, the potential for implementing it remains open if based on its main potential, namely organic fertilizer sources and water sources (lowlands with relatively shallow groundwater tables). The existence of many livestock and agricultural waste (which is not harvested) available throughout the year can be used as a source of organic fertilizer in maintaining soil fertility or health.
Optimalisasi Pemupukan Spesifik Lokasi melalui Pelatihan Selidik Cepat Kesuburan Tanah di Desa Mayangan Kecamatan Gumukmas Sadim Klaida, Fitriani; Tika, Sukma Agustin Dyan; Khasanah, Ulfa Maunatul; Pitaloka, Amelia Ayu; Mandala, Marga; Fitriani, Vivi
Sehati Abdimas Vol 7 No 1 (2024): Prosiding Sehati Abdimas 2024
Publisher : PPPM POLTESA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47767/sehati_abdimas.v7i1.889

Abstract

Desa Mayangan merupakan salah satu desa yang terletak di wilayah administrasi Kecamatan Gumukmas Kabupaten Jember, tepatnya di bagian Selatan. Desa Mayangan memiliki luas wilayah 2.466,21 Ha dengan jumlah penduduknya sebanyak 10.864 jiwa. Jarak tempuh Desa Mayangan adalah 43 km dari pusat kota yang menjadikan wilayah ini begitu lekat dengan aktivitas pertanian. Mata pencaharian masyarakat di Desa Mayangan mayoritas adalah sebagai petani maupun nelayan. Pertanian di Desa Mayangan berkembang begitu pesat dengan tanaman budidaya berupa tanaman hortikultura dan tanaman pangan. Namun demikian, pertanian di Desa Mayangan terbatas dikarenakan kondisi lahan suboptimal. Hal tersebut mengingat bahwa Desa Mayangan terletak dekat dengan pesisir pantai, sehingga tanah yang ditemukan berupa tanah berpasir serta tanah lahan rawa. Uji kesuburan tanah secara cepat di lapang penting dilakukanuntuk menduga kandungan unsur hara di dalam tanah. Selidik cepat melalui pemanfaatan alat uji PUTS dilakukan untuk mengetahui status hara tanah, seperti NPK dan pH tanah. Selain itu, dengan menggunakan alat uji PUTS, dapat membantu memberikan rekomendasi pengelolaan berdasarkan status hara tanah. Dengan mengetahui status hara di dalam tanah, maka dapat digunakan sebagai acuan dalam kegiatan pemupukan. Kegiatan pelatihan selidik cepat dengan alat uji PUTS diperkenalkan kepada seluruh anggota Balai Penyuluhan Pertanian (BPP) Gumukmas beserta seluruh anggota kelompok tani. Kegiatan hasil uji tanah di Desa Mayangan memiliki kriteria unsur hara sedang dengan pH masam. Adanya kegiatan ini diharapkan akan mencapai efisiensi pemupukan, sehingga tanah akan menjadi sehat dan tidak bersifat toksik akibat perlakuan pemupukan yang berlebih tanpa mengedepankan aspek keberlanjutan lingkungan.
Pelatihan Pembuatan Pestisida Berbahan Aktif Sulfur Sebagai Bahan Serbaguna Penyelesaian Permasalahan Petani Desa Slateng, Ledokombo, Jember Basuki, Basuki; Farisi, Oria Alit; Sari, Vega Kartika; Mandala, Marga; Ristiyana, Suci; Utami, Ratih Apri; Destiawan, Hisyam Azhar; Safitri, Urmita Dwi; Susanto, Devani Avrillia; Isnanto, Bimo Arvi Aji; Kesumowati, Dyah Ayu
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 3 (2024): Juli - September
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i3.8528

Abstract

The majority of the people of Slateng Village, Ledokombo, and Jember are farmers whose main commodities are food and horticultural crops, which have high potential. However, there are crucial problems that threaten to reduce food crop productivity. This problem arises as a result of the large number of pests that attack. Pest management outreach and training in making natural pesticides made from the active ingredient sulfur or jadam sulfur, understanding the problems, and solving existing problems. Community service activities are carried out in several stages. First, socialization and counseling are carried out regarding the types of agricultural pests. Second, the socialization of the use of jadam sulfur pesticide as a multi-purpose pest treatment. Third, an explanation of the composition of sulfur jadam based on monitoring results. Lastly, training in making sulfur jadam. Through this outreach and training, farmers' knowledge of managing agricultural pests increases.
Land Use and Land Cover (LULC) Change in Eastern Areas of East Java From 1972 To 2021: Learning From Landsat Image Mandala, Marga; Indarto, Indarto; Mas'udi, Ach. Fauzan; Saputra, Akhmad Andi
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 12 No. 4 (2023): December 2023
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v12i4.1022-1035

Abstract

Urban development, population growth, high traffic jams, and intensive disaster events are indicators of changing the landscape of the eastern area of East Java. Investigating these changes is vital for planning and environmental protection in the future. This study examines changes in land use and land cover (LULC) during the past 50 years in the eastern part of East Java from 1972 to 2021. The changes are examined by contrasting four maps derived from Landsat images (1972, 1997, 2013, and 2021). The following are the main study procedures: (1) data inventory, (2) field survey, (3) image processing and classification, and (4) interpretation of LULC changes. With Google Earth Engine, all photos are downloaded (GEE). Landsat image classification was completed using the maximum likelihood algorithm with an overall Kappa accuracy of>85%. Eight (8) major classifications are therefore produced by the classification: (1) the pavement or urban area (PUA); (2) heterogeneous agricultural land (HAL); (3) bare soil (BS); (4) paddy field (PF); (5) open water body (OWB); (6) vegetation/plantation (VG); (7) shrubland (SL); and (8) wetlands (WL). In the areas with rapid development, the LULC change is more pronounced, i.e., Pasuruan, Jember, and Banyuwangi Regencies. LULC change in and near mid-regency and the rural regions comes next. Over the past fifty years, regional growth has resulted in increases in PUA (+4.4 percent), PF (+12.2 percent), and VG (+17.9 percent). On the other hand, the development has decreased SL, BS, and HAL by 5.8 and 15.9 percent, respectively (-13.1 percent ). LULC alterations for human activities have profoundly altered the natural landscape. Keywords:  East Java, GEE, Image Processing, Landsat, LULC
Co-Authors Abdul Manan Ach Fauzan Mas'udi Ach Fauzan Mas'udi Ach. Fauzan Mas'udi Agusrinal Akhmad Andi Saputra Akhmad Andi Saputra, Akhmad Andi Anggriawan, Rendy Arum, Ayu Puspita Baiq Lily Handayani Bambang Hermiyanto Basuki Basuki , Basuki Basuki BASUKI BASUKI Basuki, Basuki Bimo Arvi Aji Isnanto Budiman, Subhan Arif Cahyoadi Bowo Cahyoadi Bowo Cahyono, Bowo Eko Destiawan, Hisyam Azhar Devani Avrillia Susanto Dilla Restu Jayanti Dyah Ayu Kessumowati Farid Lukman Hakim Farisi, Oria Alit Fery Febrian Arifin Gandri, La Hermiyanto, Bambang Hidayat, Herlan Hisyam Ashar Destiawan Indarto - Indarto Indarto Indarto Indarto indarto indarto Indarto Indarto Indarto Indarto Indarto, Indarto Intan Kartika Setyawati Irvan Andriko Sinaga Isnanto, Bimo Arvi Aji Josi Ali Arifandi Kesumowati, Dyah Ayu Khasanah, Ulfa Maunatul La Baco S La Ode Muhammad Erif Laily Mutmainnah Lies Indriyani Ma'rufi, Isa Mas'udi, Ach. Fauzan Mohamad Wawan Sujarwo Mohamad Wawan Sujarwo Muhammad Kholilur Rohman Muhsimin, Muhsimin Nurul Dwi Novikarumsari, Nurul Dwi Oria Alit Farisi Pitaloka, Amelia Ayu Putri Tunjung Sari Putri Tunjung Sari Rachmawati, Ayunda Ratih Apri Utami Reichen, Stella Rhoshandhayani Koesiyanto Taslim Rhoshandhayani Koesiyanto Taslim Ristiyana, Suci Rohman, Muhammad Kholilur Sadim Klaida, Fitriani Safitri, Urmita Dwi Sari, Putri Tunjung SATRIYAS ILYAS Setiawati, Tri Candra Sinaga, Irvan Andriko Siwi, La Ode Sugeng Winarso Sukron Romadhona Sulistiyowati, Hari Susanto, Devani Avrillia Teke, Junartin Tika, Sukma Agustin Dyan Tri Wahyu Saputra Urmita Dwi Safitri Vega Kartika Sari Vivi Fitriani Wachju Subchan