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All Journal Jurnal Agrista AGROEKOTEKNOLOGI Indonesian Journal of Agricultural Research PERTANIAN TROPIK

Meiriani Meiriani

Program Studi Agroekoteknologi Fakultas Pertanian, USU, Medan

Author-ID : 2752170

Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences Veterinary

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Respons Pertumbuhan dan Produksi Kailan (Brassica Oleraceae L.) pada Pemberian Berbagai Dosis Pupuk Organik Cair Paitan (Tithonia Diversifolia (Hemsl.) Gray ) Posma Sinaga; Meiriani Meiriani; Yaya Hasanah Yaya Hasanah
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

The objective of the research was to determine the growth and production of mustard withapplication of liquid organic fertilizer from paitan . Paitan has the potencial as the nutrition adderfor plant because it can be rapidly decomposed and has many nutrients. Therefore, the applicationof liquid organic fertilizer from paitan is hoped to increase the growth and yield of mustard. Thisresearch conducted in Screen House, Faculty of Agriculture, University of Sumatera Utara, Medanon November 2013 to January 2014. The research used non-factorial randomized block designnamely of liquid organic fertilizer treatment (4, 8,12,7, 14 and 21 ml/plant/aplication). Variableobserved were leaf greeness scale, net assimilation rate, relative growth rate and fresh weight perplant. The result showed that the application of liquid organic fertilizer from Tithonia diversifoliasignificantly did not effect the growth and production of mustard. The best result showed by giving8 ml/plant/application liquid organic fertilizer.Keywords : liquid organik fertilizer, mustard, paitan

Respons Pertumbuhan Bibit Kakao (Theobroma cacao L.) Terhadap Pemberian Pupuk Organik Vermikompos dan Interval Waktu Penyiraman Air Pada Tanah Subsoil Rizki Rinaldi Dalimunthe; Irsal Irsal; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

The aim of this research was to determine growth response of cacao seedlings by givingvermicompost and watering time interval in the subsoil. The research had been conducted in theGreenhouse Faculty of Agriculture, University of Sumatera Utara, Medan on May 2013 untilAugust 2013 by using Randomized Block Design with two factors: vermicompost (0, 10, 20, 30%growth media volume) and watering time interval (1, 3, 5, and 7 days). The parameters observedwere plant height, stem diameter, total of leaf area, canopy fresh weight, canopy dry weight, rootfresh weight, root dry weight, root height, and water use efficiency. The results showed thatvermicompost has significant effects to plant height 4-14 WAP, stem diameter 4-14 WAP, total ofleaf area, root fresh weight, root height and water use efficiency but not significant to canopy freshweight, canopy dry weight and root dry weight. Watering time interval has significant effects toplant height 10, 12 and 14 WAP, stem diameter 8, 10, 12 and 14 MST, canopy fresh weight, canopydry weight,total of leaf area and water use efficiency but not significant to plant height 4, 6 and 8MST, stem diameter 4 and 6 WAP, root fresh weight, root dry weight, and root height.Theinteraction of vermicompost and watering interval had not significant.Keywords : vermicompost, Watering Time Interval, Cacao

Keragaan Bibit Bud Chips Tebu (Saccharum officinarum L.) dengan Perlakuan Lama Perendaman dan Konsentrasi IAA Irda Nila Selvia; Meiriani Meiriani; Yaya Hasanah
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

The objectives of the research was to study performance of sugarcane bud chips with soaking timeand IAA concentration treatment. The research was carried out at PT. Perkebunan Nusantara IITanjung Jati, Langkat (± 40 m slr) on May – August 2014. The research used factorial RandomizedBlock Design (RBD) with two factors and three replications. The first factor was soaking time with3 levels (10; 20; and 30 minutes) and the second factor was IAA concentration with 4 levels (0;100; 200; and 300 ppm). Data were analized with Analysis of Variance and continued withDuncan’s Multiple Range Test (DMRT). The variables observed were plant height, number ofleaves, and total leaf area. The result of research showed that the best performance of sugarcane budchips was at 20 minutes of soaking time and 200 ppm of IAA concentration that was showed by theheighest plant height 10 week after transplanting (WAT), in great quantities number of leaves 10WAT and the widest total leaf area 10 WAT was 20 minutes of soaking time and 200 ppm of IAAconcentration.Key words: sugarcane, bud chips, soaking time, IAA concentration

Pertumbuhan dan Produksi Jagung Genotip PRG C7, Varietas C7 dan DK 979 dengan Metode Pengendalian Gulma yang Berbeda Josef Edison Lumbantoruan; Meiriani Meiriani; Lollie Agustina P Putri
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

The aim of this research was to know the response in growth and yield of maize PRG C7 genotype,C7, and DK 979 variety under different methods of weed control. The research had been conductedat Balai Benih Induk Tanaman Palawija, Sunggal District, North Sumatera on November 2013-Maret 2014 by using a randomized block design non factorial with four treatments (maize PRG C7genotype sprayed with glyphosate, PGR C7 genotype with manual weeding, C7 variety withmanual weeding, and DK 979 variety with manual weeding) and four replications. The resultsshowed that different weed control methods provide no significant effect on the growth of cornPRG C7 genotype, C7 and DK 979 varieties, that production of maize DK 979 variety withmanually weeded significantly larger than C7 maize variety with manually weeded such parametershusks cob weight, unhusks cob weight and number of seeds percob, glyphosate aplication andmanual weeding to maize PRG C7 genotype hadn’t showed the difference to the growth andproduction.Keywords : genotype, variety, glyphosate tolerant, weed control, maize

Respons Dosis Biotip Rumput Belulang (Eleusine Indica L. Gaertn) Resisten-Glifosat Terhadap Glifosat, Parakuat Dan Indaziflam Satria Parlindungan Dalimunthe; Edison Purba; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

Goosegrass (Eleusine indica) is one of weeds commonly found in oil palm plantation of which isgetting more difficult to control with glyphosate during the last few years in Adolina Estate, PTPNIV. This research aims to determine the dose response and level of resistance of the glyfosatresistenpopulation to paraquat, glyphosate, and indaziflam. The rates of glyphosate applied were 0,60, 120, 240, 480, 960, 1920 g a.i. ha-1; paraquat at 0, 50, 100, 200, 400, 800, 1600 g a.i. ha-1 andindaziflam at 0, 12,5, 25, 50, 100, 200, 400 g a.i. ha-1. The treatments were arranged in randomisedblock design (RBD) and each treatment was made in three replicates. The results showed that theputative glyphosate-resistant population collected from Adolina Estate was resistant to glyphosateand paraquat is the survival of resistant-glyphosate was 100 % at 480 g a.i glyphosate/ha and 86,7% at 400 g a.i paraquat/ha. The level of resistance to glyphosate and paraquat were 7,5 and 5,5 foldof the susceptible population respectively. Meanwhile, indaziflam controlled satisfactorily thispopulationKeywords: Glyphosate, Paraquat, Indaziflam, Eleusine indica, Resistance

Pengaruh BAP ( 6-Benzylaminopurine ) dan Pupuk Nitrogen terhadap Pertumbuhan dan Produksi Bawang Merah (Allium ascalonicum L.) Ramosta Simajuntak hidayat; Rosita Sipayung; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

BAP has a fuction to accelerate the formation of buds and accelerate the growth of vegetative. Nitrogen fertilizer a fuction to inrease of vegetative growth. This reasearh was conducted at experimental field of college agriculture The Sumatera Utara University in June until August 2014. The design of the experiment was randomized block design arranged in factorial with two factors. The first factor was the BAP with 4 levels of each B0 (0 ppm), B1 (20 ppm), B2 (20 ppm) and B3 (30 ppm). The second factor was the nitrogen fertilizer with 4 level of each N0 (0 g/plant). N1 (0.4 g/plant, N2 (0.8 g/plant), N3 (1.2 g/plant). The results showed the giving of BAP until 20 ppm has a significantly effect increase plant height, number of leaves, number of bulb at 1-2 MST. The nitrogen fertilizer treatment has a significantly effect towarde plant height 8 MST, totally leaf area, plant rate growth, greenish leaf and dry weight per sample. The interaction BAP and nitrogen fertilizer has not a significantly for all parameters.Key words : 6-Benzylaminopurin, nitrogen, shallot

Respons Pertumbuhan Bibit Bud Chips Tebu (Saccharum officinarum L.) terhadap Dosis dan Frekuensi Pemberian Pupuk N, P dan K pada Wadah Pembibitan yang Berbeda Riki Rikardo Situmpul; Ferry Ezra Sitepu; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

Provision of sugarcane seed with hight quality bud chips technic be affected by availability of nutriens in the soils requiring fertilization to nutrient requitments sugar cane seed. The research was conducted at nursery PT. Perkebunan Nusantara II Tanjung Jati, Binjai (40-50 meters above sea) from Mei-August 2014 using factorials split plot design with three factors: container nursery (polybag and pottray), dose fertilizer of N (Urea), P (SP-36), K (KCl) (6 g/60 plant, 12 g/60 plant, 18 g/60 plant) and frecuent fertilizer (2 times, 3 times, 4 times). The results showed using polybag effected significantly increase stem hight 32%, number of leaf 18%, stem diameters 48% and number of tillers 51% than using pottray. Dose fertilizers 18 g/60 plant effected significantly to stem hight, number of leaf and stem diameters of. Frecuent fertilizers not effected significantly to all of observed parameters.Keywords : Sugarcane, Containers nursery, Dose and Frecuent fertilizer

Tanggap Pertumbuhan dan Produksi Bawang Merah (Allium ascalonicum L.) Terhadap Dosis Pupuk Fosfat dan Asam Humat Osmin Sipayung; Mariati Mariati; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 3, No 4 (2015)
Publisher : Universitas Sumatera Utara

The aims of the research was to analize the growth and yield response of shallots (Allium ascalonicum L.) on the doses of phospate fertilizer and humic acid. The research was conducted at Jl. Pasar 1 Ringroad Medan from August to November 2014, using a factorial randomized block design with two factors replicated three times. The first factor is the doses of phosphate fertilizers (90, 72, 54, 36 kg / ha) and the second is the doses of humic acid (0, 1.5, 3 kg / ha). Parameters observed were number of leaves, number of tillers, wet weight per sample, dry weight per sample, the rate of net assimilation, the rate of relative growth, and the rate of plant growth. The result showed that only number of leaves 4 week after planting was significantly affected by the interaction between fosfate fertilizers and humic acid, which the most number of leaves was 19.67 produced by combination of 36 kg/ha phosphate fertilizer and 3 kg/ha humat acid and at 5,6 and 7 week after planting was significantly affected by humic acid. Meanwhile, all other parameters observed were not significantly affected by all treatments.Keywords: Fosfate fertilizer, humic acid, shallots

Pertumbuhan dan Produksi Padi Sawah Pada Beberapa Varietas dan Pemberian Pupuk NPK Carolina Permata Sari Simanjuntak; Jonatan Ginting; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 3, No 4 (2015)
Publisher : Universitas Sumatera Utara

Tujuan dari penelitian ini adalah untuk mendapatkan pertumbuhan dan produksi padi sawah pada beberapa varietas dan pemberian pupuk NPK. Salah satu upaya yang dapat dilakukan untuk mendapatkan pertumbuhan dan produksi padi sawah adalah melalui varietas unggul dan pemberian pupuk NPK. Varietas adalah suatu populasi tanaman dalam satu spesies yang menunjukkan ciri berbeda yang jelas. Pemberian pupuk anorganik yang biasanya dalam bentuk pupuk tunggal, bila digunakan pupuk majemuk akan lebih menguntungkan. Keuntungan pupuk majemuk NPK adalah karena mengandung 3 unsur pupuk (NPK) maka dengan satu kali pemberian telah terpenuhi 3 unsur pupuk sekaligus sehingga akan menghemat dari segi biaya aplikasi, transportasi dan penyimpanan. Penelitian ini dilaksanakan di UPT Balai Benih Induk Padi Murni Tanjung Morawa Dinas Pertanian Provinsi Sumatera Utara pada bulan Oktober 2014 sampai dengan Januari 2015. Penelitian menggunakan Rancangan Acak Kelompok dengan 2 Faktor perlakuan. Faktor pertama adalah pupuk NPK dengan lima taraf yaitu 0 gr NPK/plot, 10 gr NPK/plot, 20 gr NPK/plot, 30 gr NPK/plot dan 40 gr NPK/plot. Faktor kedua adalah varietas terdiri dengan 3 taraf yaitu Ciherang, Mekongga dan Inpari 4. Hasil penelitian menunjukkan bahwa perlakuan varietas berpengaruh nyata terhadap parameter tinggi tanaman, jumlah anakan, bobot kering tanaman, bobot 1000 butir, bobot gabah berisi per rumpun dan produksi per plot.Kata kunci: Padi, pupuk NPK, varietas

Pertumbuhan Setek Tanaman Buah Naga (Hylocereus costaricensis (Web.) Britton & Rose) dengan Pemberian Kombinasi Indole Butyric Acid (IBA) dan Naphthalene Acetic Acid (NAA) beatrix novitasari; Meiriani Meiriani; Haryati Haryati
Jurnal Agroekoteknologi Vol 4, No 1 (2016)
Publisher : Universitas Sumatera Utara

Salah satu upaya mempercepat pertumbuhan setek tanaman buah naga dengan menggunakan zat pengatur tumbuh (ZPT). Penelitian ini bertujuan untuk mengetahui pertumbuhan setek tanaman buah naga dengan pemberian berbagai kombinasi Indole Butyric Acid (IBA) dan Naphthalene Acetic Acid (NAA). Penelitian ini dilaksanakan di lahan percobaan Fakultas Pertanian, Universitas Sumatera Utara dengan ketinggian ± 25 meter di atas permukaan laut, pada bulan Juli sampai September 2015 dan menggunakan rancangan acak kelompok (RAK) non faktorial dengan perlakuan tanpa pemberian zat pengatur tumbuh, IBA (500 ppm) + NAA (0 ppm), IBA (0 ppm) + NAA (500 ppm), IBA (500 ppm) + NAA (500 ppm), IBA (500 ppm) + NAA (1000 ppm), IBA (500 ppm) + NAA (1500 ppm), IBA (1000 ppm) + NAA (500 ppm) dan IBA (1500 ppm) + NAA (500 ppm) yang diulang tiga kali. Hasil penelitian menunjukkan bahwa pemberian NAA 500 ppm tanpa IBA nyata mempercepat umur bertunas 60%, meningkatkan persentase bertunas 30% dibandingkan tanpa pemberian zat pengatur tumbuh. Pemberian kombinasi IBA 500 ppm + NAA 500 ppm nyata meningkatkan panjang tunas 25% dibandingkan tanpa pemberian zat pengatur tumbuh.

Co-Authors Abudzar Muharam Miraza andre ansyah Andreansyah Arya Agung Pranata Arya Agung Pranata Asil Barus Asil Barus asil barus Balonggu Siagian beatrix novitasari Carolina Permata Sari Simanjuntak Chairani Hanum Chairani Hanum Daniel Cristianus Sipangkar Diana S Dini Mistian Edison Purba Ellya Ekaristi Tarigan Fadma Juwita Nasution Ferry Ezra Sitepu Goster Renson Manik Haryati Haryati Haryati Haryati Heprando Barus Imanjar Ramsanjani Purba Irda Nila Selvia Irsal Irsal Irsal Irsal irsal irsal Jasmani Ginting jerry afrimsa sijabat jhon fiter fernando tambunan Jonatan Ginting jonis ginting Jonis Ginting Josef Edison Lumbantoruan Lahay, Ratna Rosanty Lamhot Gultom lia agnes lumban gaol Lisa Lisa Mawarni LISA MAWARNI Lisanul Fahmi Sihombing Lollie A.P. Putri Lollie Agustina P Putri Mariati Mariati Mariati Sinuraya Monica Yunita Muhammad Fauzan Alwani Muhammad Fauzan Alwani Muhdi Nini Rahmawati Osmin Sipayung Posma Sinaga Ramosta Simajuntak hidayat Riki Rikardo Situmpul Riky Gusti Handrian Rionaldo Pauli Siregar rizki fauzi Rizki Rinaldi Dalimunthe Rizky Julius Panggabean RIZKY WULANDARI B11111032, RIZKY WULANDARI Robby Tarigan rosita sipayung Rosita Sipayung ryan richo parulian manullang Sanggam Silitonga Sarah Vitrya Sidabutar Satria Parlindungan Dalimunthe Sugiyarto Sugiyarto T. Irmansyah T. Irmansyah Tua Bastari Prima Bangun Wenny Deviana Yaya Hasanah Yeni Noviana Yohannes Kristian Immanuel Hutapea

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