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All Journal Jurnal Penelitian Saintek Agrikultura Bionatura Journal of Tropical Soils Value Added : Majalah Ekonomi dan Bisnis IJOG : Indonesian Journal on Geoscience Agrovigor: Jurnal Agroekoteknologi Dharmakarya : Jurnal Aplikasi Ipteks Untuk Masyarakat Journal of Degraded and Mining Lands Management Jurnal Agroekoteknologi Jurnal Agroteknos Jurnal Agro Kultivasi Business and Finance Journal Agroekoteknologi Tropika Lembab Soil REns Media Agribisnis Jurnal Tanah dan Iklim Indonesian Journal on Geoscience Indonesian Journal on Geoscience

Mahfud Arifin

Departemen Ilmu Tanah Dan Sumber Daya Lahan Fakultas Pertanian Universitas Padjadjaran

Author-ID : 232664

Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Public Health Social Sciences

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APLIKASI KOMBINASI KOMPOS JERAMI, KOMPOS AZOLLA DAN PUPUK HAYATI UNTUK MENINGKATKAN JUMLAH POPULASI BAKTERI PENAMBAT NITROGEN DAN PRODUKTIVITAS TANAMAN PADI BERRBASIS IPAT-BO Ferina Rosiana; Tien Turmuktini; Yuyun Yuwariah; Mahfud Arifin; Tualar Simarmata
Agrovigor Vol 6, No 1 (2013): MARET
Publisher : Universitas Trunojoyo Madura

Penelitian untuk mengetahui efek pemberian kombinasi kompos jerami dengan Azolla dan pupuk hayati majemuk terhadap peningkatan populasi bakteri penambat N dan produktivitas tanaman padi dengan teknologi IPAT-BO dilaksanakan dari bulan April hingga Juli 2012 di kebun percobaan Fakultas Pertanian, Universitas Padjadjaran, Jatinangor, dengan ketinggian + 740 m dpl. Penelitian ini menggunakan rancangan acak kelompok faktor tunggal dengan dua belas perlakuan dan tiga kali ulangan. Perlakuan terdiri dari (A) tanpa kompos jerami, (B) kompos jerami 2,5 ton ha-1, (C) kompos jerami 5 ton ha-1, (D) kompos Azolla 0,5 ton ha-1, (E) kompos jerami 2,5 ton ha-1 + kompos Azolla 0,5 ton ha-1, (F) kompos jerami 5 ton ha-1 + kompos Azolla 0,5 ton ha-1, (G) pupuk hayati 400 g ha-1, (H) kompos jerami 2,5 ton ha-1 + pupuk hayati 400 g ha-1, (I) kompos jerami 5 ton ha-1 + pupuk hayati 400 g ha-1, (J) kompos Azolla 0,5 ton ha-1 + pupuk hayati 400 g ha-1, (K) kompos jerami 2,5 ton ha-1 + kompos Azolla 0,5 ton ha-1 + pupuk hayati 400 g ha-1, (L) kompos jerami 5 ton ha-1 + kompos Azolla 0,5 ton ha-1 + pupuk hayati 400 g ha-1.Aplikasi perlakuan kompos jerami, kompos Azolla dan pupuk hayati majemuk memberikan pengaruh terhadap populasi penambat N (Azotobacter sp. dan Azospirilium sp.) dan produktifitas tanaman padi. Aplikasi kompos jerami 2,5 ton ha-1 dengan pupuk hayati 400 g ha-1 memberikan hasil GKP yaitu 64,39 g tanaman-1 (6,13 ton ha-1). Kata kunci: IPAT-BO, kompos Azolla, kompos jerami, pupuk hayati.

PENGARUH ABU VULKANIK GUNUNG SINABUNG DAN BATUAN FOSFAT DALAM BENTUK NANOPARTIKEL TERHADAP RETENSI P, DELTA pH, DAN KEJENUHAN BASA PADA ANDISOLS CIATER, JAWA BARAT Mahfud Arifin; Anni Yuniarti; Dewi Dahliani
Jurnal Agroekoteknologi Vol 9, No 1 (2017)
Publisher : Jurusan Agroekoteknologi Fakultas Pertanian Untirta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33512/j.agrtek.v9i1.5048

Andisols is a soil that develops from pyroclastic materials of volcanic eruption with the high P-Retention (85% or more). The aim of this research was to know the effect between the ameliorant of Sinabung volcanic ashes with the ameliorant of phosphate rock in nanoparticle form towards the P-retention, Delta pH and the base saturation on Ciater's Andisols, West Java. A Randomized Completely Block Design as factorial with two factors was used in this research. The first factor was the volcanic ash and the second factor was phosphate rock which consisted of four levels each amount of 0%, 2.5%, 5%, 7.5% with three replications. The result of this research showed that there was an interaction between the giving of volcanic ashes and the phosphate rock in nanoparticle form on the delta pH with the base saturation in the 1st month and also there was an independent effect on the P-retention with the base saturation in the 4th month. Combination of volcanic ashes with phosphate rock in nanoparticle form which is the dose combination of 2,5% each increased the delta pH in the 4th month incubation. The dose combination of volcanic ashes 7,5% with phosphate rock 5% increased the base saturation in the 1st month incubation. Volcanic ashes and phosphate rock each 7,5% decreased the P-Retention in the 1st month incubation.Keywords: Allophane, Andisols, Phosphate rock, Volcanic ashes

Respons Aplikasi Partikel Nano Abu Vulkanik dan Batuan Fosfat terhadap Beberapa Sifat Kimia Tanah Inceptisols Cilembu, Jawa Barat Pradhinto Dwi Nugroho; Mahfud Arifin; Rina Devnita
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) Vol 44, No 2 (2020)
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v44n2.2020.109-116

Abstrak. Kandungan dan ketersediaan unsur P, yang merupakan unsur esensial, rendah pada Inceptisols Cilembu. Unsur P dalam bentuk partikel nano diharapkan dapat mudah diserap oleh tanah. Penelitian ini bertujuan mengetahui pengaruh amelioran partikel nano (abu vulkanik dan batuan fosfat) terhadap P-tersedia dan kemasaman tanah (pH-H2O), serta kapasitas tukar kation (KTK) tanah Inceptisols Cilembu, Sumedang, Jawa Barat. Penelitian dilaksanakan pada bulan Januari sampai dengan Juni 2019 di Laboratorium Fisika Tanah Departemen Ilmu Tanah dan Sumber Daya Lahan, Fakultas Pertanian, Universitas Padjadjaran. Metode penelitian menggunakan Rancangan Acak Lengkap Faktorial. Penelitian dilakukan dengan inkubasi partikel nano abu vulkanik dan batuan fosfat dengan dosis masing-masing 0% (0 g), 2% (20 g per kg tanah), 4% (40 g per kg tanah) dan 6% (60 g per kg tanah). Hasil penelitian menunjukkan tidak terjadi interaksi antara partikel nano abu vulkanik dan batuan fosfat terhadap P-tersedia dan kemasaman tanah (pH-H2O) dan kapasitas tukar kation (KTK). Partikel nano abu vulkanik dan batuan fosfat terlihat nyata berpengaruh terhadap P tersedia setelah inkubasi bulan pertama dan bulan kedua. Penggunaan partikel nano abu vulkanik berpengaruh nyata terhadap meningkatnya pH setelah inkubasi bulan pertama. Interaksi partikel nano abu vulkanik dan partikel nano batuan fosfat tidak berpengaruh nyata terhadap nilai KTK.Abstract. The content and availability of P, which is an essential element in Cilembu Inceptisols. is low. P element in the form of nano particles is expected to increase P availability. The aim of the study was to evaluate the effect of Ameliorant nanoparticles (volcanic ash and phosphate rock) on P availability and soil acidity (pH-H2O) as well as cation exchange capacity (CEC) in Inceptisols Cilembu, Sumedang, West Java. This research conducted in January to June 2019 in the Soil Physics Laboratory of the Department of Land Science and Land Resources, Faculty of Agriculture, Padjadjaran University. The research used Factorial Completely Randomized Design. The study carried out by incubation of volcanic ash nano particles and phosphate rocks with doses of 0% (0 g), 2% (20 g per kilograms of soil), 4% (40 g per kilograms of soil) and 6% (60 g per kilograms of soil). The results showed no interaction between volcanic ash nano particles and phosphate rocks on available P, soil acidity (pH-H2O) and cation exchange capacity (CEC). The effect of nano particles of volcanic ash and phosphate rock was significantly affected by available P after incubation of the first and second months. The use of nano volcanic ash particles has a significant effect on increasing pH after the incubation of the first month. Interaction effect of volcanic ash nano particles and phosphate rock nano particles was not significant on CEC value.

Pengaruh Amelioran Partikel Nano Batuan Fosfat dan Jamur Pelarut Fosfat terhadap Sifat Kimia Inceptisols Cilembu, Jawa Barat Fajri Syahid Nurhakim; Pujawati Suryatmana; Muhammad Amir Solihin; Rina Devnita; Mahfud Arifin
Jurnal Tanah dan Iklim (Indonesian Soil and Climate Journal) Vol 44, No 2 (2020)
Publisher : Balai Besar Penelitian dan Pengembangan Sumberdaya Lahan Pertanian

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jti.v44n2.2020.155-162

Abstrak. Inceptisols Cilembu memiliki potensi besar untuk pertanian khususnya untuk budidaya ubi jalar Cilembu. Rendahnya kandungan P-tersedia yang merupakan unsur hara esensial berdampak pada produktivitas tanah. Aplikasi amelioran partikel nano batuan fosfat dan Jamur Pelarut Fosfat (JPF) memiliki kemampuan dalam meningkatkan P-tersedia Inceptisols Cilembu. Penelitian ini bertujuan untuk mengkaji pengaruh amelioran partikel nano batuan fosfat dan JPF terhadap beberapa sifat kimia Inceptisols di sekitar Cilembu. Metode penelitian menggunakan Rancangan Acak Lengkap Faktorial. Faktor pertama yaitu amelioran partikel nano batuan fosfat yang terdiri atas empat taraf, yaitu b0 = 0% (0 g), b1 = 2% (20 g kg-1 tanah), b2 = 4% (40 g kg-1 tanah), dan b3 = 6% (60 g kg-1 tanah). Faktor kedua yaitu JPF yang terdiri atas dua taraf, yaitu h0 = (0 g) dan h1 = JPF (10 g per kg-1 tanah). Parameter yang diamati: pH, P-tersedia, Kapasitas Tukar Kation (KTK), dan populasi JPF. Data hasil pengamatan dianalisis menggunakan analisis varians pada taraf 5%, dilanjutkan dengan uji beda jarak Duncan pada taraf 5%. Hasil analisis varians menunjukkan tidak terdapat interaksi antara amelioran partikel nano batuan fosfat dan JPF terhadap parameter yang diamati. Aplikasi amelioran partikel nano batuan fosfat berpengaruh nyata dalam meningkatkan pH dan P-tersedia. Penggunaan JPF berpengaruh nyata meningkatkan nilai KTK.Abstract. Inceptisols in Cilembu have a great potential for agriculture, especially for sweet potato cultivation. The low available P content, which is an essential nutrient, has an impact on soil productivity. The application of nano particle phosphate rock ameliorant and Phosphate Solubilizing Fungi (PSF) may increasing available P of Inceptisols in Cilembu. The research aimed to find out the effects of nano particle phosphate rock ameliorant and PSF on selected chemical properties of Inceptisols in Cilembu area. The research method used Factorial Completely Randomized Design. The first factor was ameliorant nano particles of phosphate rock application consisted of four levels, namely b0 = 0% (0 g), b1 = 2% (20 g kg-1 of soil), b2 = 4% (40 g kg-1 of soil), b3 = 6 % (60 g kg-1 of soil). The second factor was PSF treatment consisted of two levels, namely h0 = without PSF and h1 = PSF 10 g kg-1 of soil. Parameters observed were pH, available P, Cation Exchange Capacity (CEC), and PSF population. The data were analyzed with analysis of variance at the significance level of 5%, and continued with Duncan multiple range test at the significance level of 5%. The results showed that there was no interaction between ameliorant nano particles of phosphate rock application and PSF inoculation on the observed parameters. The application of ameliorant nano particles of phosphate rock significantly increased soil acidity (pH) and available P. The inoculation of PSF significantly increased the CEC.

Analisis Kepuasan Pelanggan dalam Rangka Strategi Pemasaran Non-Tender PT Surveyor Indonesia (Persero) Cabang Surabaya Mahfud Arifin; Bambang Syairudin; Fuad Achmadi
Jurnal Bisnis dan Keuangan Vol 3 No 1 (2018): Business and Finance Journal
Publisher : UNUSA Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33086/bfj.v3i1.419

This study begins with collecting 73 samples taken with random sampling method from 266 SISUB’s customer. Variable questionnaire covers components and service quality components of the marketing mix. After analysis of data questioner, obtained for value an interest in the things that are desired by customers with average score 3.562. For the average perceived value obtained 3.493. Furthermore, by exposing data in the Cartesian diagram using Importance Performance Analysis (IPA) is known of position the quality of service that has been provided and there are 6 (six) things to be fixed in SISUB services. Framing of Matrix House of Quality (HOQ) is performed as a basicQuality Function Deployment (QFD) which is a method of design in determining the development of quality improvement measures of performance to satisfy customers. Preparation of HOQ carried out through Focus Group Discussion (FGD), the result is expected to improve performance in supporting the Customer Relationship Management (CRM).

Evaluasi Kesesuaian Lahan untuk Tanaman Mulato (Brachiaria hybrid cv. Mulato) pada Tiga Lokasi yang Berbeda Ferdy Firmansyah; Rija Sudirja; Apong Sandrawati; Mahfud Arifin; Iin Susilawati
Soilrens Vol 20, No 1 (2022)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v20i1.41351

The objective of this research is to evaluate actual and potential land suitability of mulato grass (Brachiaria hybrid cv. Mulato) as forage crop at Dago Dairy Lembang, UPBS Pangalengan and UPBS’s field at Cipunagara. The research is qualitative descriptive research with survey that the data taken from the field and supported by laboratory analysis. Soil sampling carried out by composite sampling method with diagonal systhematic pattern. Land quality obtained from land observation and laboratory analysis compared with mulato’s land suitability criteria to obtain the land suitability level. The actual land suitability level of mulato grass were about S2 (moderately suitable) to S3 (marginally suitable) at Dago Dairy’s field, S2 and S3 at UPBS Pangalengan’s field, S2, S3 and N (non-suitable) at UPBS’s field at Cipunagara. Limiting factors found were oxygen availability (oa), nutrient retention ability (nr), nutrient availability (na) and erosion hazard (eh). Each limiting factor fixed by soil drainage, calcium carbonate or sulfur application, fertilization and cover crop cultivation. Potential suitability of mulato grass after improvement were S1 to S2 at Dago Dairy, S1 to S2 at UPBS Pangalengan and S1, S2 to S3 at UPBS’s land at Cipunagara.

Prediksi Kelas Tekstur Tanah Berdasarkan Karakteristik Topografi Menggunakan Analisis Diskriminan Ade Setiawan; Mahfud Arifin
Soilrens Vol 21, No 1 (2023)
Publisher : Dept Ilmu Tanah & Sumberdaya Lahan Fakultas Pertanian Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/soilrens.v21i1.49317

This study aims to explain the influence of topographic attributes on soil texture classes using discriminant analysis. The topographic attributes considered in this study include elevation, slope, aspect, plan curvature, profile curvature, Topographic Wetness Index (TWI), and Topographic Position Index (TPI). The research location is the Sub Citarik Watershed, Upper Citarum Watershed, located at an altitude of 780-1800 m above sea level. The type of soil at the research location is Inceptisols. The results of the study show that topographic characteristics have a significant influence on soil texture classes. The discriminant analysis used in this study successfully classified soil texture classes with a reasonably high accuracy ((86,11%), although there is some room for improvement. This model shows good potential as a tool for predicting soil texture classes based on topographic characteristics, which can be used in various applications, including soil management and land use planning. The conclusion of this study highlights the importance of considering topographic attributes in soil management research and practice. Further research is suggested to improve the accuracy of the model and explore the use of this model in different contexts.

The Pedogenesis of Inceptisols on Southeast Toposequence of Mount Manglayang in West Java, Indonesia Ganjar Herdiansyah; Mahfud Arifin; Abraham Suriadikusumah
Indonesian Journal on Geoscience Vol. 9 No. 2 (2022)
Publisher : Geological Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17014/ijog.9.2.195-208

DOI:10.17014/ijog.9.2.195-208The most potential soil order in Indonesia is dominated by Inceptisols, whereas the topography combined with a climatic factor are the main factors to regulate pedogenetic process. This research was intended to determine the pedogenetic process and soil development on various terrain positions at the southeast toposequence of Mount Manglayang areas that have hilly topography. The researched area was 28.83 ha. Based on those conditions, this research aims to study the pedogenetic process and soil development in the southeast slope toposequence of Mount Manglayang, the relationship between the physical, chemical, and mineralogical soil properties, the soil classification to family level based on soil taxonomy, National Soil Classification, and FAO soil classification systems. This research used survey, descriptive, and comparative methods. The result showed that the pedogenetic processes identified were the formation of B horizon through clay accumulation, soil colour, and soil structure development, and the formation of amorphous kaolinite and halloysite minerals. Based on soil taxonomy, the soil were classified as Fluventic Humudepts, coarse-loamy, kaolinitic, isohyperthermic at the upper slope and Fluventic Dystrudepts, fineloamy, kaolinitic, isohyperthermic at the middle and lower slopes. According to National Soil Classification, the soil is Humic Cambisol at the upper slope, Distric Cambisol at the middle slope, and Cromic Cambisol at the lower slope. FAO classified the soil as Umbric Cambisols at the upper slope and Dystric Cambisols at the middle and lower slopes.

Shallot cultivation originated from true shallot seed (TSS) on Andisols enriched with various ameliorants Aprianto, Fahmi; Arifin, Mahfud; Sofyan, Emma Trinurani
Kultivasi Vol 22, No 3 (2023): Jurnal Kultivasi
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/kultivasi.v22i3.48453

Application of soil ameliorants is important to improve Andisols properties and increase shallot productivity. The research objective is to determine the kind of ameliorant which the best effect on the growth and productivity of shallots originating from TSS in Andisols Lembang, West Java. The experiment was conducted in Margahayu Research Station, Lembang, West Java from January to May 2021. A randomized block design (RBD) with 6 treatments and 5 replications was set up in the field. Treatments include control (no ameliorant), 20 tons/ha of horse manure, 10 tons/ha of rice straw compost, 10 tons/ha of bamboo leaf compost, 10 tons/ha of husk biochar, and 5 kg/ha humic acid. The results showed that vegetative performance and yield of true shallot seed-based shallot variety of Trisula in Andisols enriched with rice straw compost was higher than in other ameliorant treatments. Additionally, nutrient uptake in rice straw compost treatment was also higher than in other ameliorant treatments.

KLASIFIKASI KESESUAIAN LAHAN KAKAO MENGGUNAKAN FAKTOR PEMBATAS MAKSIMUM DI KABUPATEN KOLAKA Syaf, Hasbullah; Arifin, Mahfud; Suriadikusumah, Abraham; Harryanto, Rachmat
Jurnal Agroteknos Vol 1, No 3 (2011)
Publisher : Jurnal Agroteknos

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

ABSTRACT The current implementation of land suitability classification of Cocoa is based on the national standard of growing plant. Therefore the implementation of the land use at the specific location was not acceptable. It is important to evaluate the land suitability of the cocoa growing areas. This study was conducted at Kolaka Regency Southeast Sulawesi Province. This research was performed using a survey method based on the observation unit. Which is consist of 93 observation units. The climate, soil and environment observations were following the Soil and Agroclimate Research Centre ( PPTA, 1993); Department of Agriculture (DEPTAN, 1993 dan 2003) and the Indonesian Coffee and Cocoa Research Centre (PPKKI, 2008). The analysis of land suitability is base on the threshold factor using the mínimum. The results showed that the land suitability of the cocoa growing areas according to PPTA dan DEPTAN (1993) were classification full into 76.34% marginal suitable (S3), 12.90% currently not suitable (N1) and 10,75% was permanently not suitable (N2). On the other had based on the DEPTAN (2003) the cocoa growing areas were 83.87% S3 and 16.13% not suitable (N). While according to the PPKKI (2008) the S3 was 63.44% and the N was 36.56%. Key word: land suitability classification and cocoa

Co-Authors A. Leonardo, Patrick Abraham Suriadikusumah Ade Setiawan Ade Setiawan Aisyah, Ayu Siti AKTAVIA HERAWATI Anindita, Sastrika Anne Yuliana Anni Yuniarti Apong Sandrawati Apong Sandrawati Apong Sandrawati Ari Ganjar Herdiansah Asep Purnama Hidayat Bambang Syairudin, Bambang Benny Joy Benny Joy Darsiti, Tita Daud Siliwangi Saribun Dedi Widayat Dewi Dahliani Diyan Herdiyantoro Emma Trinurani Sofyan Fahmi Aprianto, Fahmi Fajri Syahid Nurhakim Ferdy Firmansyah Ferina Rosiana Fetty Rahmayanti Fuad Achmadi Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah Ganjar Herdiansyah, Ganjar Hasbullah Syaf Herman Soeriaatmadja Iin Handayani Iin Susilawati Indra Permana Jajang Sauman Hamdani Kaffah, Ruhnayati Mauludy, Noor Muhammad Maya Damayani Maya Damayani Mieke Rochimi Setiawati Muhammad Amir Solihin Muhammad Amir Solihin Nenny Nurlaeny Novarina Darmawan Putri Nur Azizah Nurina Hanum Ayuningtias Oktaviani, Nurrani Pradhinto Dwi Nugroho Pujawati Suryatmana Putri, Noviani Rachmat Harryanto Ramadhan, Ilmi Reginawanti Hindersah Ridha Hudaya Ridha Hudaya Ridha Hudaya Ridha Hudaya Ridha Hudaya Rija Sudirja Rina Devnita Rina Devnita Rina Devnita Rina Devnita Rina Devnita Rudi Priyadi Sandrawati, Apong Santi Rosniawaty Siswanto, Shantosa Yudha Solihin, Muhammad Amir Sumbada, Rifyal Achmad Rivaldi Sunarya, Yaya - Teddy Marpaung Tien Turmuktini Tualar Simarmata Tualar Simarmata Umami JM, Agnes Iko Umar Dani, Umar Yayan Sumekar Yuliati Machfud Yuyun Yuwariah

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