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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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Pengaruh Persaingan Gulma Synedrella nodiflora L. Gaertn. Pada Berbagai Densitas Terhadap Pertumbuhan dan Hasil Kedelai Hasanuddin Hasanuddin; Gina Erida; Safmaneli Safmaneli
Jurnal Agrista Vol 16, No 3 (2012): Volume 16 Nomor 3 Desember 2012
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

ABSTRAK. Penelitian ini bertujuan untuk mengetahui pengaruh densitas gulma Synedrella nodiflora terhadap pertumbuhan dan hasil tanaman kedelai. Penelitian ini dilaksanakan di Kebun Percobaan Fakultas Pertanian Universitas Syiah Kuala Banda Aceh sejak Maret – Juni 2011. Rancangan yang digunakan adalah Rancangan Acak Lengkap non faktorial dengan lima perlakuan densitas gulma yang diulang sebanyak empat kali. Densitas gulma adalah: 0, 2, 4, 6, dan 8 gulma per polibag. Peubah yang diamati adalah: jumlah cabang, diameter pangkal batang, jumlah nodula, bobot basah nodula, jumlah polong, jumlah biji, dan bobot biji per tanaman. Hasil penelitian menunjukkan bahwa densitas gulma berpengaruh terhadap bobot basah nodula dan bobot biji per tanaman. The Effects of Weed Competition of Synedrella nodiflora L. Gaertn. on Some Density to Growth and Yield of SoybeanABSTRACT .The aim of research was known the effects of weed density of Synedrella nodiflora on growth and yield of soybean. The research was conducted in Experimental Farm Agriculture Faculty, University of Syiah Kuala Banda Aceh since March up to June 2011. The experimental design was Randomized Completely Design non factorial with five treatments of weed density. Weed density were: 0; 2; 4; 6; and 8 per polybag. Variables were: number of branches, diameter of stem, number of nodules, wet  weight of nodules, number of pod, number of seed, and seed weight per plant. The result showed that weed density significantly to wet  weight of nodules and seed weight per plant. 
Pendugaan Cadangan Karbon Gambut pada Agroekosistem Kelapa Sawit M. B. Prayitno; Sabaruddin Sabaruddin; D. Setyawan; Yakup Yakup
Jurnal Agrista Vol 17, No 3 (2013): Volume 17 Nomor 3 Desember 2013
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

ABSTRAK. Peranan gambut terhadap lahan degradasi menjadi sangat penting dan bernilai dalam hal cadangan karbon karena berdampak terhadap hilangnya vegetasi akibat penggundulan dan kebakaran hutan. Penelitian ini dilaksanakan pada lahan gambut pada agrosistem kelapa sawit di Kabupaten Ogan Komering Ilir, Sumatera Selatan. Tujuan penelitian ini untuk menduga cadangan karbon gambut. Hasil penelitian menunjukkan bahwa kedalaman gambut berkisar antara 200 – 850 cm, bulk density antara 0,211 – 0,347 g cm-3 dan kandungan organik C sekitar 56,30 - 58,31%. Prediksi cadangan karbon adalah sebesar 1,675.361 - 9.055,922 ton C ha-1. The Prediction of Peatland Carbon Stocks in Oil Palm AgroecosystemsABSTRACT. The role of peat on degraded land becomes extremely important and valuable, for being the last carbon stocks because of the loss of vegetation due to deforestation and forest fires. This research was conducted in peatlands that have been used for oil palm agro-ecosystem, Ogan Komering Ilir District,  South Sumatra. The purpose of the study was to estimate carbon stocks in peatlands. The results showed that the peat depth ranged from 200 to 850 cm, the bulk density between 0.211 to 0.347 g cm-3 and the organic C content of approximately 56.30 -58.31%. The prediction of carbon stock ranged from 1.675,361 ton C ha-1 to 9.055,922 ton C ha-1.
Introduksi Neochetina eichhorniae (Coleoptera: Curculionidae) Potensi Dampak Non-Target Terhadap Komunitas Tumbuhan Lokal Sapdi Sapdi
Jurnal Agrista 2008: Edisi Khusus Nomor 1 November 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

The Introduction of Neochetina eichhorniae (COLEOPTERA: CURCULIONIDAE): The Potency of Non-Target Impact on Local Plant CommunitiesABSTRACT. When introduce an exotic insect species as a biological agent thought cause non-target impacts, directly or indirectly, on local plants species. The objective of this research is to evaluate the potency of nontarget impacts of introducing Neochetina eichhorniae on local plants aquatic communities. The results of the research indicated that the weevil showed a high preference and host specific on waterhyacinth, and so far the house shifting was not occur. Insitu observation showed that this biological agent was not found in any others aquatic and non aquatic plants living around water areas. This data indicated that host range expansion by the weevil was not consist.
Kenampakan Pedologi Tanah Sawah yang Berasal dari Toposekuen Berbahan Induk Volkanik di Daerah Bogor – Jakarta Teti Arabia; Sarwono Hardjowigeno; Sudarsono Sudarsono; Widiatmaka Widiatmaka; Nata Suharta
Jurnal Agrista Vol 13, No 1 (2009): Volume 13 Nomor 1 April 2009
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

(The Pedological Features of Paddy Soils from a Toposequence on Volcanic Parent Materials in the Bogor – Jakarta Area)ABSTRACT. The pedological feature of paddy soils are different from the non paddy cultivated. The aim of the research were: to study the pedofeatures of paddy soils in a toposequence on volcanic materials in the Bogor – Jakarta area; to study the influence of paddy cultivated intensity of pedofeatures. Twelve pedons of different altitude (90 – 650 m above see level) and different paddy cultivated intensity (0/year, 1/year, 2/year) were investigated, each horizons were sampled for laboratory analysis to study the pedofeatures. The result of the research showed that on non paddy cultivated, pedofeature observed at B horizon is indicating rock weathering. On 1x paddy, at tillage layer nodules and hypocoating were found. On 2x paddy, at plow plan layer clay infilling dense complete was found.
Pemupukan Limbah Monosodium Glutamate dan Gypsum Terhadap Serapan N, P, dan K Tanaman Jagung (Zea mays L.) Muyassir Muyassir
Jurnal Agrista Vol 10, No 2 (2006): Volume 10 Nomor 2 Agustus 2006
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Monosodium Glutame Sludge and Gypsum Application on Nutrient Update (N, P, and K) by Corn (Zea mays L.)ABSTRACT. The aims of this research was to study of the nutrient uptake by corn fertilizer with MSG sludge and Gypsum on pelluderts soil in Cihea, Neglasari Village, Cianjur West Java. The result of the experiment showed N content increased proportionally with the increased of MSG sludge and gypsum application. The combination MSG sludge and gypsum application showed N content of plant 0,79 g to 4,21 g and the root were 0,14 to 0,29 g. The content of fosfor in plant increased with increasing MSG sludge and gypsum application from 0,13 g to 0,33 g, and MSG sludge application increased content of P in the root from 0,015 mg to 0,024 mg. The content of K in plant without MSG sludge application ranged from 0,99 g to 2,23 g and the root 0,029 g to 0,78 g with MSG sludge application 8000 L ha-1.
Profil Asam Lemak dan Triasilgliserol Berantai Sedang (MCFA) dalam Kelapa Segar dan Santan (Cocos nucifera L.) Rita Hayati
Jurnal Agrista Vol 14, No 3 (2010): Volume 14 Nomor 3 Desember 2010
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

Fatty Acids Profile and Medium Changes Fatty Acids (MCFA) on Coconut Fresh and Coconut Milk (Cocos nucifera L.)ABSTRACT. This study was conducted to determine the fatty acids profile and medium changes fatty acids on coconut fresh and coconut milk. The fatty acids content of coconut fresh and coconut milk of saturated fatty acids (120.88- 84%) consist of C6:0, C8:0, C10:0, C12:0, C14:0, C16:0, C18:0. The monounsaturated fatty acids present was palmitoleic acid (C6:1c9) and oleic acid (C18:1n9) amounting to 15.7-16.2%, respectively. While linoleic (C18:2n6) was the major polyunsaturated fatty acids, amounting to 2.20-3.40%. The total medium changes fatty acids (MCFA) in coconut fresh and coconut milk were 70.0% and 67.5%.
Peranan Cendawan Mikoriza Arbuskula Terhadap Pertumbuhan Leucaena leucocephala dalam Kondisi Cekaman Garam Delvian Delvian
Jurnal Agrista Vol 11, No 3 (2007): Volume 11 Nomor 3 Desember 2007
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Rule of Arbuscule Mycorrhiza Fungi on Growth of Leucaena leucocephala Under Salt StressABSTRACT. Symbiosis Arbuscule Mycorrhiza Fungi (AMF) and plant were not only improving growth and nutrition absorption, but also crop tolerance salinity. Increasing of tolerance to salinity following colonization of AMF promising due to phosphate absorption more efficient. Phosphate absorption of mycorrhizal plant mount equal to 115% compared to non-mycorrhizal plant. This issue will improve growth of crop and decrease influence of toxic ions. Mycorrhizae also can lessen forming of proline equal to 64.47% one of the way of osmotic adjustment of non mycorrhizal plant to increase tolerance. Despitefully accumulate sodium in mucorrhizal plant lower than non mycorrhizal, were degradation of sodium accumulation equal to 61.58%.
Analisis Kriteria Kesesuaian Lahan Terhadap Produksi Kakao pada Tiga Klaster Pengembangan di Kabupaten Pidie Mizar Liyanda; Abubakar Karim; Yusya’ Abubakar
Jurnal Agrista Vol 16, No 2 (2012): Volume 16 Nomor 2 Agustus 2012
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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ABSTRAK. Penelitian ini bertujuan untuk menganalisis kesesuaian lahan tanaman kakao sehingga diketahui hubungan antara karakteristik lahan dengan produksi dan kadar lemak kakao serta faktor-faktor yang mempengaruhinya. Metode survai digunakan untuk mendapatkan karakteristik lahan, tingkat pengelolaan dan produksi tanaman kakao. Satuan peta lahan (SPL) masing-masing klaster dibentuk berdasarkan tumpang tindih peta jenis tanah, peta lereng dan peta penggunaan lahan. Evaluasi kesesuaian lahan pada setiap SPL menggunakan metode klasifikasi kesesuaian lahan yang dikembangkan oleh FAO. Untuk mengetahui hubungan antar karakteristik dilakukan analisis korelasi antara karakteristik lahan dengan karakteristik produksi serta kadar lemak. Analisis linier berganda dilakukan pada karakteristik lahan yang berpengaruh nyata terhadap komponen produksi dan kadar lemak. Hasil evaluasi lahan Klaster Padang Tiji dan Keumala memiliki kelas kesesuaian lahan aktual sesuai marginal (S3) sedangkan Tangse cukup sesuai (S2) dan sesuai marginal (S3). Kelas kesesuaian lahan potensial Klaster Padang Tiji sesuai marginal (S3), sedangkan Klaster Keumala dan Tangse cukup sesuai (S2) dan sesuai marginal (S3). Hubungan antara karakteristik lahan terhadap produksi diperoleh hubungan yang sangat erat (R2=0,95), sedangkan karakteristik lahan terhadap kadar lemak diperoleh hubungan yang erat (R2=0,64). Penentu produksi adalah ketinggian tempat, lereng, fraksi pasir, fraksi liat, pH H2O, pH KCl, C-organik, N total, P tersedia, Na, kejenuhan Al, kapasitas tukar kation, kejenuhan basa dan salinitas, sedangkan penentu kadar lemak adalah ketinggian tempat, C organik, N total, P tersedia, Ca dan Mg.Analysis of Land Suitability Criteria for Cocoa Production of Three Cluster Development in Pidie DistrictABSTRACT. This study was aimed at the analysis of land suitability for cocoa in order to understand relationships between characteristics of the land and production and fat content of cocoa and factors that influence it. Method used was a survey method to obtain land characteristics, management and production levels of cocoa. Land Unit Map (LUM) of each cluster was formed by overlapping maps of soil type, slope, and land use. Evaluation of land suitability on each LUM was done by suitability classification method developed by FAO. Relationships between characteristics of land and production and fat levels were analyzed using correlation analysis. Multiple linear analysis were carried out for land characteristics that significantly affect production components and fat content. The results showed that clusters of Keumala and Padang Tiji had actual land suitability classes of marginal suitable (S3), while Tangse had those of adequately suitable (S2) and marginal suitable (S3). Potential land suitability classes of Padang Tiji cluster was marginal suitable (S3), while clusters of Keumala and Tangse were adequately suitable (S2) and marginal suitable (S3). Results showed that there was a very close relationship (R2=0.95) between characteristics of land and production, while a close relationship (R2=0.64) between characteristics of the land and fat content. Determinants of production were altitude, slope, sand fraction, clay fraction, pH H2O, pH KCl, organic C, total N, available P, Na, Al saturation, cation exchange capacity, base saturation and salinity, while determinants of fat content were altitude, organic C, total N, available P, Ca, and Mg.
Peran Celah Antar Tajuk Tegakan dan Seed Bank Tanah Terhadap Regenerasi Hutan Budi Utomo
Jurnal Agrista Vol 17, No 2 (2013): Volume 17 Nomor 2 Agustus 2013
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Abstract

ABSTRAK. Penelitian ini bertujuan untuk menduga komposisi biji pada seed bank tanah dan mendeteksi kemampuan tumbuh pada beberapa celah antartajuk tegakan. Kemampuan biji yang tumbuh pada seed bank di lapangan hanya 49 % dari seluruh biji yang tumbuh.  Biji yang ada pada topsoil ( 0- 5 cm) mempunyai kemampuan tumbuh yang lebih tinggi dibandingkan biji yang berasal dari kedalaman yang lebih dalam. Jenis yang tumbuh didominasi oleh jenis tumbuhan eksotik, tumbuhan bawah dan jenis pohon pioneer, sedangkan jenis-jenis anakan pohon endemik sangat sedikit dan hampir tidak ditemukan tumbuh. Pertumbuhan dan perkembangan spesies eksotik yang bersifat invasif di suatu kawasan hutan terjadi karena adanya celah-celah terbuka di dalam kawasan hutan yang memberi kesempatan tumbuh dan berkembangnya jenis eksotik di tempat terbuka tersebut, karena itu pencegahan yang terbaik adalah mengusahakan agar celah-celah tidak dibiarkan terbuka, di antaranya dengan melakukan penanaman terutama dari jenis-jenis pohon endemik yang rendah populasinya. The Role of Crown Gap and Soil Seed Bank On Forest RegenerationABSTRACT. This research aimed to estimated seed composition in seed bank and detected ability of growing at some gaps measures between strightened coronets in fields. Seed emergence energy in seed bank in field only 49 % from all the viable seed. Viable wedge staying in topsoil ( 0- 5 cm) have growing ability of compared by more emergence is deeper coat below its. Subterranean wedge domineered by exotic type wedge having the character of invasif and plant under, only a few type and amount of trees seeds in seed banks available for emergences. In consequence to take care of forest regeneration take place balance hence exotic types especially having the character of invasif have to be controlled by the population.
Karakteristik Morfologi Fase Vegetatif Berbagai Varietas Jeruk Pamelo Pangkep dengan Teknik Sambung Mini Kafrawi Kafrawi; Zahraeni Kumalawati
Jurnal Agrista Vol 12, No 3 (2008): Volume 12 Nomor 3 Desember 2008
Publisher : Fakultas Pertanian, Universitas Syiah Kuala

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Morphology Characteristics of Vegetatif Phase on Several Varieties Pangkep Pummelo (Citrus maxima) with Mini Grafting TechniqueABSTRACT. The main objective of this research was to learning several stump effect to morphology characteristics of vegetatif phase of several varieties pangkep pummelo and to know various stump was compatible to growty support several pummelo pangkep. The project was conducted in green house and laboratory of Politani Pangkep, South Sulawesi from April to November 2007. The experiment was design in randomized block design consisted of two factors. Firstly, several entres pummelo i.e. pangkep merah, pangkep putih and sigula-gula. The second factor was several stump various pummelo i.e. swingle citrumelo, pangkep merah, pangkep putih and si gula-gula. The result showed pangkep merah pummelo have better vigor was use entres or stump. All growth variants show pangkep merah pummelo induced statistically significant effect (caulis diameter, bud length bud, sum bud, leaf area, root length, moisture content of root and tree).

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