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Jurnal Agrista
Published by Universitas Syiah Kuala
ISSN : 14103389     EISSN : 25979973     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agrista merupakan salah satu wadah bagi peneliti untuk menyebarluaskan hasil-hasil penelitian di bidang ilmu Agroteknologi, Ilmu Tanah dan Proteksi Tanaman, selain itu Jurnal Agrista juga mencakup di bidang MIPA Biologi serta FKIP Biologi. Jurnal Agrista memuat laporan hasil penelitian atau makalah suntingan dengan topik Agroteknologi, Ilmu Tanah, serta Hama dan Penyakit Tumbuhan dari staf pengajar/peneliti di Fakultas Pertanian, Universitas Syiah Kuala Banda Aceh dan peneliti lainnya yang berasal dari Perguruan Tinggi Negeri dan Swasta serta Balai Penelitian.
Arjuna Subject : -
Articles 263 Documents
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Aplikasi Herbisida Glifosat dan Paraquat pada Berbagai Dosis serta Pengaruhnya Terhadap Pertumbuhan Biduri (Calotropis Gigantean R. Br) Gina Erida; Tjut Chamzurni
Jurnal Agrista Vol 12, No 3 (2008): Volume 12 Nomor 3 Desember 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Application of Different Dosage of Glyphosate and Paraquat Herbicides and Their Effect on the Growth of Milky Weed (Calotropis gigantean R. Br)ABSTRACT. The study on application the different dosages of glyphosate and paraquat herbicides and their effect on the growth milky weed (Calotropis gigantean) has been conducted at Experimental station, Faculty of Agriculture, Syiah Kuala University, Darussalam, Banda Aceh. The treatment were arranged in a completely randomized bloc design (CRD) manner with two factors. The first factor was the dosages of herbicides which were 0 kg a.i/ha, 0,4 kg a.i/ha, 0,8 kg a.i/ha, and 1,2 kg a.i/ha. The second one was the different herbicides which were glyphosate and paraquat. The result showed that the dosages of the 0,8 kg a.i/ha significantly increased the percentage of milky weed control, suppressed the height of milky weed 21 days of application (DAA), reduced the diameter of milky weed stem and decreased the dry weight of milky weed. The type of the herbicides and different dosages used interactively affected the percentage of milky weed control and the diameter of milky weed stem on 21 days of application (DAA). The paraquat herbicide applied with dosage of 1,2 kg a.i/ha significantly increased the percentage of milky weed control and suppressed the diameter of milky weed stem.
Perubahan Beberapa Sifat Kimia Ultisol Akibat Aplikasi Macam Bokasi pada Pertumbuhan Jagung Yadi Jufri
Jurnal Agrista Vol 10, No 3 (2006): Volume 10 Nomor 3 Desember 2006
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Some of Changes Ultisol Chemical Properties Caused Kinds of Bokasi Application on Maize GrowthABSTRACT. The main problem on ultisol was low of soil nutrient containt, that was caused of Ultisol chemical properties less. The research aim to study the effect kinds of organic matter as bokasi from to improved Ultisol chemical properties. The research was used Factorial Randomized Block Design, there were kinds of bokasi and fertilizer dosages. Kinds of bokasi were sawdust bokasi, rice straw bokasi and stem of soil palm bokasi. Applied fertilizer dosages were 10, 15, and 20 ton ha-1. There were 9 treatment combination with 3 replications, so that there were 27 experimental unit and the research consist of 2 experiment series. The first series was analysis of chemical properties and the second series was applied in maize growth observation. The research result show that was kinds of bokasi giving the effect to Ultisol chemical properties. Using of rice straw bokasi were giving the highest effect and then sawdust bokasi and the less one was stem of soil palm bokasi. Difference dosage treatment was giving the significant effect to ultisol chemical properties. Using of 20 ton ha-1 was giving the highest effect of Ultisol chemical properties. Kinds of bokasi was giving the significant effect to plant height, dry weight of up plant. Interaction between kinds of bokasi and dosages treatment were not giving the significant effect to all observation because the observation was short time.
Respon Jagung Manis (Zea mays, Sacharata SHOUT) Terhadap Penggunaan Mulsa dan Pupuk Organik Erita Hayati; A. Halim Ahmad; Cut Taisir Rahman
Jurnal Agrista Vol 14, No 1 (2010): Volume 14 Nomor 1 April 2010
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

The Response of Sweet Corn (Zea mays, Sacharate SHOUT) on Mulch and Organic FertilizerABSTRACT. This study aims to determine the response of maize (Zea mays, Sacharata SHOUT) against the use of several types of organic mulch and organic fertilizer super nasa and whether there is an interaction between both factors. This research has been conducted in the village of Kuala  Batee, Terbue District of Southwest Aceh district which lasted from 17 july - 30 october 2008, and with Research Randomized factorial arranged with the combined treatment of organic mulch (M) that M1 = straw, M2 = bagase, M3= rice husk, while the organic fertilizer treatments super nasa (P) is P1 = 10 g / l of water, P2 = 20 g / l of water and P3 = 30 g / l of water with three replications. Results showed that oral administration of organic mulch significantly affect corn production, the best production of mulch was found in rice husk (M3) significant than other types of organic mulch. Fertilizer did not affect the process of growth and yield of maize. There is interaction between the type of Mulching with organic fertilizer super nasa. The best combination was obtained in the combined treatment  M2P1  or M3P3.
Pengaruh Cekaman Kekeringan Terhadap Pertumbuhan, Hasil dan Kandungan Prolina Daun Cabai Yusniwati Yusniwati; Sudarsono Sudarsono; Hajrial Aswidinnoor; Sri Hendrastuti; Djoko Santoso
Jurnal Agrista Vol 12, No 1 (2008): Volume 12 Nomor 1 April 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Drought Stress Effect on Growth, Yield and Leaf Proline Accumulation of Hot PepperABSTRACT. The objective of this experiment were to evaluate effects of drought stress at vegetative stage on growth, yield and leaf proline content of hot pepper. Drought stress was conditioned by reduction watering of crop show wilt symptom 70% during the period of 21 – 54 days after planting (DAP). Result of the experiment indicated that drought stress reduced plant height, branch number, stem, diameter, root length, shoot, root, and biomass dry weight and fruit yield. Sensivity index calculated based on biomass of five hot pepper cultivars showed that Prabu, laris, dan jati laba were the medium tolerance to drought stress. There was no drought tolerance cultivar if the sensivity index was calculated based on fruit yield.
Kandungan Hara Mikro dalam Pupuk Organik Cair Hasil Proses Pencernaan Anaerobik Limbah Industri Nata De Coco dan Kotoran Sapi serta Pengaruhnya pada Tanaman Selada Zaitun Zaitun; M. Sri Saeni; Kooswardhono Mudikdjo; H.M.H. Bintoro Djoefri
Jurnal Agrista Vol 13, No 3 (2009): Volume 13 Nomor 3 Desember 2009
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Micro Elements in Liquid Organic Fertilizer from Nata de coco Waste and Cow Manure in Aerobic Digester Processing and Its Influence to Lettuce CropABSTRACT. The objective of this experiment are to study micro elements in liquid organic fertilizer and to find optimal interval time of the liquid organic fertilizer application to increase lettuce yield. The experiment is conducted at Physical Chemistry and Environmental Laboratory of IPB and in Jabon Mekar Village, Parung, West Java. The treatment of this experiment is application of liquid fertilizer (organic fertilizer) once (S1), twice (S2), and three time a week (S3) from effluent anaerobic digester 75% nata de coco waste + 25% cow manure (T1), 50% nata de coco waste + 50% cow manure (T2), 25% nata de coco waste + 75% cow manure (T3), and 100% cow manure (T4) compared with control (inorganic fertilizer) on lettuce. The result shows that there are some micro elements in liquid organic fertilizer. The application of liquid organic fertilizer in twice a week in 100% cow manure (T4S2) gives the best lettuce yield (96,587 g).
Seleksi Mutan Generasi Ke Dua (M2) Kedelai Kipas Putih Terhadap Produksi dan Kualitas Biji yang Tinggi Dalfiansyah Dalfiansyah; Siti Hafsah; Zuyasna Zuyasna
Jurnal Agrista Vol 20, No 3 (2016): Volume 20 Nomor 3 Desember 2016
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Telah dilakukan evaluasi mutan-mutan kedelai Kipas Putih generasi ke 2 (M2) terpilih untuk mendapatkan galur berpotensi produksi dan kadar protein tinggi. Iradiasi sinar gamma dilakukan di Puslitbang Teknologi Isotop dan Radiasi BATAN,  Pasar Jumat Jakarta. Sebagai kontrol digunakan varietas Kipas Putih yang belum diradiasi. Penelitian dilakukan di Kebun Percoban Fakultas Pertanian Universitas Syiah Kuala, Darussalam - Banda Aceh yang berlangsung dari bulan Januari 2015 sampai bulan Mei 2015. Penelitian ini menggunakan rancangan acak kelompok (RAK) pola non faktorial. Penelitian ini  menggunakan 14 genotipe dan 1 genotipe kontrol varietas Kipas Putih tanpa radiasi, terdiri dari 2 ulangan sehingga terdapat 30 unit satuan percobaan. Parameter yang diamati adalah tinggi tanaman, jumlah cabang, jumlah polong, jumlah polong bernas, berat 100 butir biji, jumlah biji per tanaman, dan berat biji per bedeng, untuk kualitas biji dilakukan analisis kadar protein, lemak, serat dan abu. Hasil penelitian menunjukkan bahwa genotipe berpengaruh sangat nyata terhadap berat 100 biji tanaman, namun tidak berpengaruh terhadap tinggi tanaman, jumlah cabang, jumlah polong, jumlah polong bernas, dan jumlah biji sedangkan kadar protein tertinggi pada genotipe KP200-51 (G9) (39.01%), lemak KP200-52 (G10) (15,16%), serat KP200-10 (G5) (12,54%) dan abu KP200-28 (G6) (6,83%).
Efektivitas Mikoriza Arbuskula dan Naungan pada Pertumbuhan Bibit Jati (Tectona grandis) Delvian Delvian
Jurnal Agrista Vol 12, No 2 (2008): Volume 12 Nomor 2 Agustus 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Effectiveness of Arbuscular Mycorhiza and Shanding in Growth of Teak SeedlingABSTRACT. Interaction between mycorrhizal inoculan dosage with level of shade was significantly affected of seedling growth of height, total dry weight matter, soot root ratio, P content, and degree of infected root by mycorrhizal. The usage of mycorrizal inoculants dosage at 10 g per seedling which combined with level of shade 75% gave the best for seedling growth of teak for siz moth old. Increasing level of shade 25% to 75% increased seedling growth of teak. Furthermore, seedling of teak that treated mycorrzal inoculants dosage at 100 g per seedling was more significantly affected of seedling growth than 5 g per seedling.
Populasi Mikroorganisme pada Tanah yang Dicemari Oli Bekas dan Usaha Perbaikannya Abubakar Karim; Hifnalisa Hifnalisa; Iswandi Anas
Jurnal Agrista Vol 1, No 1 (1997): Volume 1 Nomor 1 April 1997
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstrak.
Eksplorasi Bakteri Endofitik Pemacu Tumbuh Asal Jaringan Tanaman Cabai Merah Nuni Gofar
Jurnal Agrista Vol 11, No 1 (2007): Volume 11 Nomor 1 April 2007
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Exploration of Growth Promoting Endophitic Bacteria Derived from Red Chilly TissuesABSTRACT. The aims of this research were: to explore growth promoting endophitic bacteria isolated from root of red chilly planted at swampy land, Ogan Ilir, South Sumatera, and to study the ability of resulted isolates to promote growth of red chilly by bioassay evaluation; and to evaluate the ability of resulted isolates to produce IAA in vitro. Different stage of red chilly as sources of endophitic bacteria samples were collected from various locations of chilly farms in Ogan Ilir District, South Sumatera. The results of this research proved that endophitic bacteria derived from root red chilly tissues acted as growth promoting, neutral and growth inhibiting bacteria. First, second and third of selection resulted in 8, 6, and 3 consortia of endophitic bacteria, which consistently promoted the growth of red chilly. The amount of IAA resulted by S248 isolates of endophitic bacteria (3.36 mg kg-1) as significantly lower than those of S348 isolates (4.16 mg kg-1) and S830 isolates (3.93 mg kg-1). The amount of IAA resulted by S348 isolates did not significantly differ from that of S830 isolates. Endophitic bacteria identified from S348 isolates were Pseudomonas aeruginosa and Bacillus cereus.
Prediksi Hasil Limpasan Permukaan dan Laju Erosi dari Sub DAS Krueng Jreu Menggunakan Model SWAT T. Ferijal
Jurnal Agrista Vol 16, No 1 (2012): Volume 16 Nomor 1 April 2012
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

ABSTRAK. Besarnya limpasan permukaan dan laju erosi Sub DAS Krueng Jreu (SDKJ) Aceh Besar telah diprediksikan dengan menggunakan model hidrologi SWAT. Dalam penelitian ini juga disimulasikan dampak perubahan curah hujan dan tata guna lahan terhadap limpasan permukaan dan laju erosi. Perubahan curah hujan yang disimulasikan adalah peningkatan curah hujan sebesar 5, 10, 15 dan 20% sedangkan untuk perubahan tata guna lahan disimulasikan dengan cara mengkonversikan 5, 10, 15 dan 20% lahan kosong dalam SDKJ menjadi areal perkebunan kelapa sawit. Kalibrasi model dilakukan dengan membandingkan debit simulasi dengan debit hasil pencatatan pada stasiun debit. Hasil kalibrasi menunjukkan bahwa model SWAT memiliki kinerja yang baik dalam memprediksikan limpasan permukaan dengan nilai parameter kinerja ENS = 0.71; R2 = 0.77 dan PBIAS = 6.30. Hasil simulasi menunjukkan bahwa besarnya erosi yang terjadi sangat tergantung pada besarnya aliran permukaan, semakin tinggi aliran permukaan maka semakin tinggi laju erosi. Peningkatan 1% curah hujan akan meningkatkan 2.4% limpasan permukaan dan 2.3% laju erosi. Setiap perubahan 1% luas lahan terbuka menjadi lahan perkebunan sawit menyebabkan penurunan terhadap aliran permukaan dan laju erosi berturut-turut sebesar 0.2 dan 0.6%.Predicting Runoff and Erosion Rate from Krueng Jreu Subwatershed Using SWAT ModelABSTRACT. The yield of surface runoff and erosion from Krueng Jreu Subwatershed (SDKJ) Aceh Besar were predicted using SWAT model. In this study, impact of precipitation and land use change on surface runoff and erosion were also investigated. Change in precipitation was simulated by increasing 5, 10, 15, and 20% of precipitation while change in land use was simulated by converting 5, 10, 15, and 20% of existing short grass area into palm oil plantation. Model calibration was performed by comparing simulated and observed discharge. Calibration result suggested that model has good performance with ENS = 0.71; R2 = 0.77 and PBIAS = 6.30. Erosion rate highly depends on surface runoff, the more surface runoff the higher rate of erosion. Increasing 1% of precipitation produced an increase in 2.4% of surface runoff and 2.3% of erosion rate. Converting 1% of short grass area into palm oil plantation caused a decrease in surface runoff and erosion rate by 0.2% and 0.6%, respectively.

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