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Ahadiyat Yugi R., SP., MSi., D.Tech.Sc.
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psi.faperta@gmail.com
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INDONESIA
Agrin : Jurnal Penelitian Pertanian
ISSN : 14100029     EISSN : 25496786     DOI : -
Core Subject : Agriculture,
Agrin provides facilities for publishing articles or quality papers in the form of research results in various aspects of agriculture and agricultural commodities widely including ; agronomy, agroecology, plant breeding, horticulture, soil science, plant protection, agribusiness, agroforestry, food science and technology , agricultural techniques, agricultural innovations, agricultural models and agricultural biotechnology. This journal is published twice a year, ie the April and October. The Agrin Journal invites researchers, academics and intellectuals to contribute critical writing and contribute to the development of agricultural science.
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Search results for , issue "Vol 17, No 2 (2013): Agrin" : 7 Documents clear
PENGUJIAN KEMAMPUAN MIKROBA ANTAGONIS UNTUK MENGENDALIKAN PENYAKIT HAWAR DAUN DAN LAYU BAKTERI PADA TANAMAN KENTANG DI DAERAH ENDEMIS Wachjadi, Muljo; Soesanto, Loekas; Manan, Abdul; Mugiastuti, Endang
Agrin Vol 17, No 2 (2013): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2013.17.2.202

Abstract

Penelitian bertujuan untuk mengetahui kemampuan beberapa mikroba antagonis untuk mengendalikanpenyakit hawar daun dan layu bakteri pada tanaman kentang di daerah endemik. Penelitian ini dilaksanakan dilahan kentang Desa Kejajar, Kecamatan Kejajar, Kabupaten Wonosobo, pada bulan Juni sampai Agustus 2013.Mikroba antagonis yang digunakan hasil isolasi dari pertanaman kentang dan telah diuji di rumah kaca danlapangan terbatas, yaitu dengan Bacillus sp. B2 dan B4, serta Pseudomonas sp. P19 dan P21. Berdasarkan hasilpenelitian yang telah dilaksanakan, dapat disimpulkan bahwa mikroba antagonis belum mampu mengendalikanpenyakit hawar daun dan layu bakteri, serta belum mampu meningkatkan pertumbuhan dan hasil tanamankentang. Akan tetapi, mikroba antagonis mampu mengimbas senyawa tanin pada tanaman kentang.Kata kunci: mikroba antagonis, penyakit hawar daun, layu bakteri, kentangABSTRACTThe research aimed at knowing ability of some antagonistic microbes to control leaf blight and bacterialwilt on potato at endemic field. This research was carried out at Kejajar Village, Kejajar Subdistrict, WonosoboRegency from June up to August 2013. The antagonists used were isolated from potato field and had been testedin the screen house and the limited field, i.e., Bacillus sp. B2 and B4, and Pseudomonas sp. P19 and P20. Basedon the research result, the antagonists could not control leaf blight and bacterial wilt, and could not increasegrowth and yield of potato. However, the antagonists could induce tannin content of the crop.Key words: antagonistic microbes, leaf blight, bacterial wilt, potato.
PENYIAPAN BENIH TANAMAN PAKAN BERMIKORIZA P. Daru, Taufan; Manullang, Julinda R.
Agrin Vol 17, No 2 (2013): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2013.17.2.207

Abstract

Tujuan penelitian ini adalah untukmenguji tingkat infeksi fungi mikoriza arbuskula (FMA) pada benihtanaman pakan (Macroptilium atropurpureum) yang diselubungi oleh suspensi akar yang mengandung propagulFMA yang dibandingkan terhadap FMA dalam bentuk granular (mycofer) maupun yang tidak diinokulasi olehFMA. Penelitian dilaksanakan di Laboratorium Nutrisi Ternak, Fakultas Pertanian Universitas Mulawarman danpercobaan dilaksanakan di dalam gelas plastik yang berisi 100 g tanah pucuk per gelas plastik dan ditempatkandalam rumah kaca. Setiap gelas plastik terdiri atas 4 tanaman. Percobaan disusun dalam rancangan acak lengkap(RAL), yang terdiri atas 3 perlakuan jenis inokulan FMA untuk legum siratro, yaitu: M0 = Tanpa inokulasi FMA(kontrol), M1 = Inokulasi FMA dalam bentuk granular (mycofer) (5 g.gelas plastik-1), dan M2 = Inokulasi FMAdalam bentuk coating benih. Setiap perlakuan diulang sebanyak 8 kali, sehingga setiap jenis tanaman masingmasingterdiri atas 24 satuan percobaan. Hasil penelitian menunjukkan bahwa inokulasi FMA dapatmeningkatkan kolonisasi FMA pada akar tanaman siratro, dimana aplikasi FMA dalam bentuk penyelubunganbenih dan FMA dalam bentuk granular tidak menunjukkan perbedaan yang nyata. Mycorrhizal inoculation effect(MIE) pada kedua perlakuan inokulasi FMA tersebut tinggi, yang mencerminkan efektifnya FMA yangbersimbiosis dengan akar siratro. Inokulasi FMA juga memiliki pengaruh yang besar terhadap pertumbuhan danproduksi tanaman siratro, dimana aplikasi FMA dalam bentuk penyelubungan benih dan FMA dalam bentukgranular tidak menunjukkan perbedaan yang nyata. Hal ini ditunjukkan oleh berat kering tajuk, berat kering akar,berat kering tanaman, dan panjang akar.Kata kunci: Macroptilium atropurpureum, fungi mikoriza arbuskula, benih tanaman pakanABSTRACTThe purpose of this experiment was to examine the level of infection of arbuscular mycorrhizal fungi(AMF) on forage seeds (Macroptilium atropurpureum) coated by root suspension containing propagules ofAMF. These seeds were compared to seeds planted on AMF in granular form (mycophere) and to seedsuninoculated by the AMF. The experiment was conducted in the Laboratory of Animal Nutrition, Faculty ofAgriculture, Mulawarman University. It was conducted in a plastic cups containing 100 g of top soil per cup andplaced in the greenhouse. Each cup consisted of 4 plants. The experiment was arranged in completelyrandomized design (CRD) comprising three treatments that were M0 = siratro seeds without AMF inoculation(control), M1 = siratro seeds inoculated by AMF in granular form (mycophere) (5 g.cup - 1), and M2 = siratroseeds inoculated by AMF in the form of seed coating. Each treatment was replicated eight times. The resultsshowed that AMF inoculation could increase the colonization of AMF on siratro roots, where the application inthe form of seed coating and granular form showed no significant differences . Mycorrhizal inoculation effect(MIE) in both the AMF inoculation treatments were high, that was reflecting the effectiveness of AMF symbiosiswith the siratro roots. Inoculation of AMF also performed a great influence on the growth and yield of siratro,where the application in the form of seed coating and in granular form showed no significant differences. Thiswas indicated by shoot dry weight, root dry weight, plant dry weight, and root length.Keywords: Macroptilium atropurpureum, arbuscular mycorrhizal fungi, forage seed
PERFORMANSI KUALITAS ATRIBUT BERAS ORGANIK DAN TINGKAT KEPUASAN KONSUMEN BERAS ORGANIK DI KABUPATEN SRAGEN Quality Performance and Satisfaction Level of Consument on Organic Rice in Sragen District Swastika, Nila; Yanto, Tri; Hartati, Anny
Agrin Vol 17, No 2 (2013): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2013.17.2.203

Abstract

Penelitian dilakukan dengan tujuan untuk menentukan kualitas beras organik berdasarkan kepuasankonsumen beras organik di Kabupaten Sragen. Penelitian dilakukan melalui identifikasi tingkat kepentinganatribut beras organik, tingkat kesesuaian dan kesenjangan atribut mutu beras organik, kepuasan konsumen berasorganik terhadap atribut mutu beras organik, prioritas perbaikan atribut mutu beras organik. Atribut mutu berasorganik yang digunakan sebanyak 10 dan dianalisis dengan metode Customer Satisfaction Index (CSI) danImportant And Performance Analysis (IPA). Hasil penelitian menunjukkan bahwa rata-rata nilai kepentinganatribut beras organik adalah 3,53 dan Atribut mutu beras organik yang dianggap tidak penting adalah harga(2,30) dan kemasan (2,60). Hasil analisis CSI didapatkan nilai 61,6% menunjukkan bahwa konsumen berasorganik di Kabupaten Sragen cukup puas dan berdasarkan diagram IPA diketahui bahwa kinerja atribut produkberas organik yang dihasilkan oleh pertanian organik di Kabupaten Sragen masih perlu diperbaiki, terutama padaatribut warna, kebersihan, sertifikat organik dan kesesuaian label.Kata kunci: atribut mutu, beras organik, Customer Satisfaction Indeks (CSI), Important And PerformanceAnalysis (IPA)ABSTRACTThe research objetives of this study to determine the quality of organic rice by consumer satisfaction onorganic rice in Sragen. The study was conducted by identifying the importance of the organic rice attribute, thelevel of suitability and gap in quality attributes of organic rice, organic rice consumer satisfaction of the organicrice quality attributes, improvement priority of organic rice quality attributes. Organic rice quality attributesused were 10 and they were analyzed by the method of Customer Satisfaction Index (CSI) and Important AndPerformance Analysis (IPA) . The results showed that the average value of the attribute of interest was 3.53 andorganic rice quality attributes considered to be unimportant were the price (2.30) and packaging (2,60) . CSIanalysis results showed that the value of 61.6 % of the consumers of organic rice in Sragen were rather satisfiedand the diagram based on IPA were known that the attribute performance of organic rice products produced byorganic farming in Sragen still needed to improve, especially on the color attributes , cleanliness , organiccertificates and suitability of organic labels.Key words: quality atribute, organic rice, Customer Satisfaction Indeks (CSI), Important And PerformanceAnalysis (IPA)
PENGARUH KONSENTRASI PUPUK ORGANIK CAIR KOSARINE TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SELADA (Lactuca Sativa L) Ratna Nirmala
Agrin Vol 17, No 2 (2013): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2013.17.2.204

Abstract

Tujuan penelitian adalah untuk mengetahui: (1) pengaruh pupuk organik cair kosarine terhadappertumbuhan dan hasil tanaman selada; dan (2) konsentrasi pupuk organik cair kosarine yang tepat dalammempengaruhi pertumbuhan dan hasil sayur selada yang terbaik. Penelitian dilaksanakan pada bulan Februarisampai April 2013 di lokasi lahan pada Jalan Kenyah Sempaja Kelurahan Sempaja Kecamatan Samarinda Utara.Rancangan percobaan yang digunakan Rancangan Acak Lengkap (RAL) terdiri atas empat perlakukankonsentrasi POC kosarine yang diulang sebanyak sembilan kali yaitu : 0 mL/L air sebagai kontrol (k0), 10 mL/Lair (k1), 20 mL/L air (k2) dan 30 mL/L air (k3). Sehingga terdapat 36 populasi tanaman yang masing-masingditanam pada polibag yang berisi tanah bekas ditanami selada, yang medianya diberi pupuk Trichokompos. Hasilpenelitian menunjukkan bahwa pengaruh berbagai konsentrasi POC kosarine terhadap pertumbuhan dan hasilsayur selada tidak memberikan perbedaan yang signifikan pada semua variabel pengamatan baik rata-rata tinggitanaman, jumlah daun, panjang daun pada umur 7, 14, 21, dan 28 hari setelah tanam (HST) maupun berat segartanaman pada saat panen. Namun cenderung pada konsentrasi 30 mL/L air (k3) pengaruh lebih baikdibandingkan pada konsentrasi yang lebih rendah terutama pada berat segar saat panen.Kata kunci : pupuk organik cair kosarine, pertumbuhan dan hasil, seladaABSTRACTAims of this research were to know the effect of several concentration of Kosarine liquid organicfertilizer on the growth and yield of lettuce (Lactuca sativa L) and to find proper concentration of kosarine forbetter growth and production of of lettuce. It was conducted at Kenyah street, Sempaja Village North Samarinda,starting from February until April 2013. This research used Randomized Completely Block Design with fourtreatments concentration of kosarine liquid organic fertilizer, consisting of 0 ml kosarine/l water as control (k0),10 ml kosarine/l water (k1), 20 ml kosarine/l water (k2), and 30 ml kosarine/l water (k3). Each treatment wasreplicated nine times, so that all treatments were 36 polybags. The polybag contained top soil mixed residuetrichocompose manure. One seedling of lettuce was planted in one polybag. Results of the research showed thatall treatments were insignificantly different in all variables of the growth and yield of lettuce like : increasingheight of plant, number of leaves, length of leaves at 7, 14, 21 and 28 days after transplanting and fresh weightof plant. Nevertheless, there was a tendency at 30 ml kosarine/l water (k3) concentration to peform better resultthan the lowest concentration on fresh weight of plant at harvest time.Key words : kosarine organic liquid fertilizer,growth and yield, lettuce
KOMPONEN HASIL DAN HASIL EMPAT VARIETAS PADI PADA BEBERAPA DOSIS PEMUPUKAN ANJURAN Sakhidin1,, Sakhidin; Darudriyo, Darudriyo; Kharisun, Kharisun
Agrin Vol 17, No 2 (2013): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2013.17.2.205

Abstract

Pemupukan tanaman padi oleh petani selama ini biasanya berdasarkan kebiasaan atau dosis pemupukananjuran secara umum. Penelitian ini bertujuan untuk mengkaji pengaruh dosis pemupukan terhadap beberapavarietas yang ditanam pada lahan sawah milik petani. Pecobaan dilaksanakan selama tujuh bulan yaitu mulaiAgustus 2011 sampai dengan Pebruari 2012 di Desa Datar, Kecamatan Sumbang, Kabupaten Banyumas denganketinggian tempat sekitar 160 m di atas permukaan laut. Percobaan dilakukan dengan menggunakan rancanganpetak terbagi. Varietas (Ciherang, Inpari XIII, IR 64, dan Situbagendit) diperlakukan pada petak utama,sedangkan dosis pupuk anorganik (0% dosis anjuran, 50% dosis anjuran, dan 100% dosis anjuran) diperlakukanpada anak petak. Hasil penelitian menunjukkan bahwa varietas IR 64 menghasilkan bobot gabah per rumpuntertinggi (26,93 g). Hal ini berkaitan dengan tingginya bobot gabah permalai (4,16 g). Aplikasi pupuk baikdengan 50% maupun 100 % dosis anjuran tidak meningkatkan komponen hasil dan hasil padi. Pengaruh dosispemupukan terhadap komponen hasil dan hasil padi tidak dipengaruhi oleh varietas.Kata kunci: padi, varietas, dosis anjuran, hasilABSTRACTIn general, application of fertilizer by farmers was based on the tradition or common recommendation.Obectives of this study was to study the effect of fertilizer dosages on some varieties of rice planted on thefarmer’s wet land rice. The research was conducted for 7 months since August 2011 until February 2012 inDatar village, Sumbang District, Banyumas Regency with 160 m sal altitude. The experimental designed wassplit plot design with 2 factors namely 4 varieties (Ciherang, Inpari XIII, IR 64, and Situbagendit) as main plotand the dosages of anorganic fertilizers (0% recommendation, 50% recommended dosage, 100% recommendeddosage) as sub plot. The result of this research showed that IR 64 had the highest weight of grain per hill (26,93g). It was related to the high weight of grain per panicle (4,16 g). Application of anorganic fertilizer (50% and100% recommendation dosages) did not increase the yield and yield components of rice. The effect offertilization dosage did not influenced by variety.Key words: rice, variety, recommendation dosage, yield
KAJIAN DOSIS PUPUK ORGANIK CAIR LEACHATE PLUS DAN KETEBALAN MULSA UNTUK PERTUMBUHAN DAN HASIL WORTEL DI DATARAN RENDAH Mardin, Sobardini; Dewanto, Eko
Agrin Vol 17, No 2 (2013): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.agrin.2013.17.2.206

Abstract

Penelitian ini bertujuan untuk mengetahui dosis optimal pupuk organik cair leachate plus, ketebalanmulsa jerami padi terbaik dan interaksinya terhadap pertumbuhan dan hasil wortel di dataran rendah. Penelitianberupa percobaan lapangan yang telah dilaksanakan pada bulan April 2013 – Nopember 2013 di desaGrendeng, Kecamatan Purwokerto Utara, Kabupaten Banyumas ketinggian tempat ± 110 m dpl. Wortel yangditeliti merupakan varietas New kuroda dan faktor yang dicoba meliputi dosis POC leachate plus yang terdiriatas D0=0cc/tanaman, D1=50cc/tanaman, D2 =75cc/tanaman dan D3=100cc/tanaman, dan ketebalan mulsajerami padi yang meliputi M1=ketebalan satu lapis, M2=ketebalan dua lapis, dan M3=ketebalan tigalapis.Rancangan yang digunakan adalah RAKL dengan tiga ulangan. Hasil penelitian menunjukkan bahwa pemberiandosis POC leachate plus dan ketebalan mulsa jerami berbeda sangat nyata terhadap tinggi tanaman, bobotbrangkasan, volume umbi, diameter umbi, bobot umbi per tanaman, dan bobot umbi per petak efektif .Pemberian dosis POC lechate plus terbaik adalah 50 cc/tanaman dengan bobot umbi maksimal 131,11 g perpetak efektif dan setara dengan 19,224 ton/ha sedangkan pemberian mulsa dengan ketebalan dua lapismemberikan bobot umbi maksimal 135,83 g/petak efektif atau setara dengan 19,916 ton/ha. Terdapat interaksiyang sangat nyata terhadap tinggi tanaman, volume umbi, diameter umbi, berat umbi per tanaman, dan bobotumbi per petak efektif. Kombinasi terbaik pada pemberian dosis POC 50 cc per tanaman dan ketebalan mulsadua lapis dengan berat umbi 153,33 g/petak efektif atau setara dengan 22,482 ton/ha.Kata kunci: POC Leachate Plus, mulsa, wortel, dataran rendahABSTRACTObjectives of this study were to understand the optimal dose of leachate plus liquid organic fertilizer andthe best straw mulch thickness to increase carrot growth and crop in lowland, as well as their interaction. It wasconducted in wetland at Grendeng Village North Purwokerto Subdistrict Banyumas regency, with the elevationabout 110 m above sea level, starting from April to November 2013. The research used randomized completelyblock design (RCBD) with three replications. The first examined factor was doses of leachate plus liquidorganic fertilizer containing four levels namely D0 = 0 cc/plant, D1: 50 cc/plant or 500 cc/plant, D2: 75 cc/plantor 750 cc/plant, and D3: 100 cc/plant or 1000 cc/plant. The second factor was straw mulch thickness consistingof one layered thickness (M1), two layered thickness (M2), and three layered thickness (M3). The results showedthat doses of leachate plus liquid organic fertilizer were significantly different on plant height, fresh canopyweight, tuber volume, tuber diameter, tuber weight, and tuber weight per effective plant. The best dose wasachieved in leachate plus liquid organic fertilizer of 50 cc/plant tuber weight at 131.11 g per effective plot orequivalent with 19.224 tones/ha and mulch treatment gave the best result with two layered straw mulch for tuberweight per effective plot or equivalent with 19.916 tones/ha. Highly significant interaction was showed in plantheight, tuber volume, tuber diameter, and for tuber/root weigh per effective plot on the combination of 50cc/plant of leachate plus liquid organic fertilizer and two layered straw mulch for tuber weight 153.33g or similarto 22.482 tones/ha.Key words: leachate plus liquid organic fertilizer, mulch, carrot, low land
PENGARUH BOKASHI BERBASIS Azolla microphylla DAN Lemna polyrhiza TERHADAP SERAPAN N DAN PRODUKSI TANAMAN PAKCHOY (Brassica chinensis L.), SERTA POROSITAS INSEPTISOLS Rahmawati, Ersalita; Widyasunu, Purwandaru
Agrin Vol 17, No 2 (2013): Agrin
Publisher : Jenderal Soedirman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (189.827 KB) | DOI: 10.20884/1.agrin.2013.17.2.201

Abstract

Pakchoy adalah salah satu sayuran daun yang banyak mengandung berbagai mineral dan vitamin, kayaklorofil (antioksidan).Tujuan penelitian adalah mengetahui pengaruh pupuk organik (bokashi) berbasis biomassaAzolla microphylla(Am) dan Lemna polyrhiza (Lp) terhadap: 1) serapan unsur N tanaman pakchoy, 2)pertumbuhan dan produksi tanaman pakchoy,dan 3) porositas Inseptisols. Penelitian ini adalah percobaan potyang dilaksanakan di rumah plastik Fakultas Pertanian Universitas Jenderal Soedirman, Purwokerto padaketinggian 110m dpl. Penelitian dilaksanakan pada Oktober 2012 sampai Februari 2013.Rancangan yangdigunakan adalah Rancangan Acak Kelompok Lengkap dengan 5 perlakuan dan 4 ulangan. Perlakuan pupukorganik bokashi meliputi : kontrol; 60% biomassa Azolla microphylla + 40% kompos kotoran sapi; 60%biomassa Lemna polyrhiza + 40% kompos kotoran sapi; 100% kompos kotoran sapi; pupuk majemuk NPK.Variabel yang diamati adalah serapan N tanaman,, pertumbuhan, dan hasil tanaman pakchoy, serta BJI, BJP, danporositas Inseltisols. Hasil penelitian menunjukanpemberian pupuk bokashi berbasis Am dan Lp masing-masingmampu: (1)meningkatkanserapan N tanaman 669% dan 512% terhadapkontrol tanpa pupuk, (2) meningkatkanhasil sebesar 263,89 % (hasil 15,72 t/ha) dan 267,82 % (hasil 15,89 t/ha) terhadap kontrol tanpa pupuk, dan (3)menurunkan nilai BJI Inseptisols sebesar 16% dan 23%, dan menurunkan porositas Inseptisols sebesar 23% dan18%.Kata kunci: Azolla microphylla, Lemna polyrhiza, pupuk kandang sapi, pakchoy, pertanian organikABSTRACTPakchoy is one of vegetable contains lot of minerals and vitamins as well as rich in chlorophyll that canserve as antioxidants.This research purpose were to know influence of Bokashi Azolla microphylla (Am) andLemna polyrhiza (Lp) biomass-based on : 1) plant N uptake, 2) growth and yield of pakchoy, and 3)Inceptisolporosity. This research was used polybag to cultivate the pakchoy during October 2012 until February 2013 inscreen house Jenderal Soedirman University, Purwokerto at 110m above sea level. This research used RCBD(Randomized Complete Block Design) with 5 treatments and 4 replications. The treatment tested were: control;60% Am biomass + 40% cattle manure; 60% Lp biomass + 40% cattle manure; 100% cattle manure; NPKfertilizer. Variabel observed plant N uptake, growth and yield of pakchoy, Bulk Density (BD), Particle Density(PD), and porosityof Inceptisols. The result showed that bokashi based of both of Am and Lp biomass, compareto no-fertilizer, it had respectively ability to: (1) increase plant N uptake by 669% and 512%, (2) increase theyield of pakchoy by 263,89 % (yield15,72 t/ha) and 267,82 % (yield15,89 t/ha), and (3) decrease Inseptisols’BDby16% and 23%, anddecrease Inseptisols’ porosity by 23% and 18%.Keywords : Azolla microphylla, Lemna polyrhiza, cattle manure, pakchoy, organic agriculture

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