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asil barus
universitas sumatera utara
Agriculture, Biological Sciences & Forestry

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KAJIAN PENANAMAN KEDELAI DI BAWAH KELAPA SAWIT UMUR EMPAT TAHUN DI PTPN III KEBUN RAMBUTAN Surya Wardhana; Lisa Mawarni; Asil Barus
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.388 KB) | DOI: 10.32734/jaet.v2i3.7457

Abstract

To study the growth and yield of soybean under of oilpalm age four years at PTPN III KebunRambutan, a research has been done in February to May 2012. The design used was random plotdesign with two treatment. The first factor are varieties (Anjasmoro and Nanti) and the secondfactor are planting system (Square and Hexagonal planting system).The result showed that varietieshas significant effect of the plants length at 3, 4, 5, and 6 weeks after planting (WAP), amount ofleafs, age of flowering, weight of dry branches, production per plot, and amount of 100 seeds. Theplanting system has only influence of amount of 100 seeds. There was no interaction between thetwo treatments that was observed for all parameters.Keywords: soybean, planting system, and variety.
Perkecambahan Dan Pertumbuhan Bibit Biwa (Eriobotrya japonica Lindl.) Akibat Perendaman Pada Urin Hewan Dan Pemotongan Benih Lely Wahidah Nasution; Asil Barus; Lisa Mawarni; Rasiska Tarigan
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (248.504 KB) | DOI: 10.32734/jaet.v2i4.8427

Abstract

This study aims to study the influence of animal urine and cutting of seed to support the seedlinggermination and growth of biwa. This research was conducted at Experiment Center of Fruit inBerastagi, Karo at April to July 2013. This research applies Randomized block design factorial,first factor: application of animal urine concentration in 25% and 50% by soaking during 15minutes and 30 minutes. Second factor: scarification techniques, P0=without cutting and P1=withcutting. The observation component consist of germination power, germination percentage,germination age, length of plant, number of leaves, leaf total area and root volume. The result ofresearch indicates that the soaking of biwa seed into animal urine and cutting has insignificantinfluence to the acceleration of seedling germination and growth. The treatment of soaking onanimal urine has a significant influence to the accelerate of seedling germination and growth onroot volume, age when germination, number of leave. The seed cutting of biwa has a significantinfluence to the accelerate of seedling germination and growth that indicated by root volume, andpercentage of germination. The best results showed that biwa seed was soaking in 50% cow urineconcentration for 30 minutes.Keywords: Eriobotrya japonica Lindl., germination, seed cutting, animal urine
Pertumbuhan Dan Produksi Kacang Tanah (Arachis hypogaea L.) Dengan Pemberian Pupuk Kandang Sapi Dan Pupuk Fosfat Pendi Kurniawan Pasaribu; Asil Barus; Mariati Mariati
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (153.468 KB) | DOI: 10.32734/jaet.v2i4.8430

Abstract

This research was aimed to know the effect of cow manure and phosphate fertilizer toward growthand production of peanuts. The research was conducted at the farm field with altitude ± 25 metersabove sea level, began from January until March 2012 using Randomized Block Design with twofactors. The first factor was cow manure which consist of four levels, that were K0 (0 g/plot), K1(875 g/plot), K2 (1.750 g/plot), and K3 (2.625 g/plot), and the second was phosphate fertilizerconsist of three levels, that were P0 (0 g/plot), P1 (17,5 g/plot), and P2 (35 g/plot). Parametersobserved were plant height, number of primary branch, flowering time, pods number per plant,filled pods number per plant, seed production per plant, seed production per plot, and weight of 100dry seeds. The results showed that only plant height 5 week after planting and pods number perplant were significantly affected by cow manure, meanwhile all parameters observed weresignificantly affected by phosphate fertilizer except for plant height and number of primary branch.There was no interaction between both treatments.Keywords : cow manure, phosphate fertilizer, peanut
Respons Pemberian Coumarin Terhadap Produksi Mikro Tuber Planlet Kentang (Solanum tuberosum L.) Varietas Granola Vivi Ulfia Hasni; Asil Barus; Ferry Ezra T. Sitepu; Rina Christina Br. Hutabarat
Jurnal Agroekoteknologi Vol 2, No 4 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (214.221 KB) | DOI: 10.32734/jaet.v2i4.8459

Abstract

The objective of this experiment is to determine the response adding to the coumarin in to microtuber production of potato plantlets (Solanum tuberosum L.) varieties of granola. The research wasconducted at Tissue Culture Laboratory Experiment Berastagi where the surface level is atapproximately at ± 1340 m above sea level. The experiment was started on October 2013 untilFebruary 2014 using a completely randomized factorial design with two factors. The concentrations ofcoumarin was (0,000; 0,025; 0,050; and 0,075 gram/l) and the volume of coumarin was (30, 60, 90,120 ml). Parameters observed were the percentage of plantlets which produces micro tubers, thepercentage of plantlets were dead, the number of tubers on each micro planlet, the weight of tuberson each micro planlet, weight of each micro tuber, and diametres of tuber in each planlet. Theresults showed that adding of coumarin concentration into micro-tuber production of potatoplantlets was significantly affected the percentage of plantlets which produces micro tubers (1 BSAand 2 BSA) and the diameter of micro tubers of each plantlet. Adding of coumarin volume intomicro-tuber production of potato plantlets significantly affect on the percentage of plantlets whichproduces micro tubers (1 BSA and 2 BSA), the number of tubers on each micro planlet, the weightof tubers on each micro planlet, weight of each micro tuber, and diametres of tuber in each planlet.Key words : potatoes, production, micro tuber
Respons Pertumbuhan Dan Produksi Bawang Merah (Allium ascalonicum L.) Terhadap Jenis Mulsa Dan Pupuk Kandang Ayam Dila Novayana; Rosita Sipayung; Asil Barus
Jurnal Agroekoteknologi Vol 3, No 2 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.028 KB) | DOI: 10.32734/jaet.v3i2.10126

Abstract

Penelitian ini bertujuan untuk mendapatkan jenis mulsa dan dosis pupuk kandang ayam tertentuyang dapat meningkatkan pertumbuhan dan produksi bawang merah. Penelitian dilaksanakan dilahan percobaan Fakultas Pertanian Universitas Sumatera Utara, Medan dengan ketinggian ± 25meter di atas permukaan laut, pada bulan April hingga Juli 2014. Metode penelitian menggunakanrancangan acak kelompok faktorial dengan dua faktor yaitu jenis mulsa (tanpa mulsa, mulsa plastikhitam perak, mulsa jerami) dan pupuk kandang ayam (tanpa pupuk, 1 kg, 2 kg, dan 3 kg/m2).Parameter yang diamati adalah tinggi tanaman, jumlah daun per rumpun, jumlah anakan perrumpun, diameter umbi per sampel, bobot basah umbi per sampel, bobot kering jual per sampel,bobot basah umbi per plot, dan bobot kering jual per plot. Hasil penelitian menunjukkan bahwajenis mulsa berpengaruh nyata terhadap parameter bobot basah umbi per plot dan bobot kering jualumbi per plot. Pemberian pupuk kandang ayam berpengaruh nyata terhadap parameter tinggitanaman pada umur 2 MST. Interaksi antara jenis mulsa dan pupuk kandang ayam berpengaruhtidak nyata terhadap semua parameter pengamatan. Hasil terbaik dari penelitian ini diperoleh padaperlakuan mulsa jerami padi.Kata kunci : bawang merah, jenis mulsa, pupuk kandang ayam
Laju Pertumbuhan Tanaman dan Produksi Dua varietas Kacang Hijau (Phaseolus radiatus L.) Dengan Pemeberian Pupuk Guano Desy Lavria; lisa Mawarni; Asil Barus
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (310.406 KB) | DOI: 10.32734/jaet.v3i3.10938

Abstract

The aim of this research was aplication guano on mung bean which hope to can increase the growth and production. This research was conducted at experimental field of Agriculture Faculty USU in Juli-September 2014 using factorial randomized block design with two factor, i.e. types of varieties (betet and walet) and guano (none; 200; 400 and 600 kg/ha). Parameter observed were relative growth rate and dry weight of seeds per sample. The result showed that varieties and guano application significantly affect the parameters of relative growth rate in the 10-21 day after planted (DAP). The interaction of two factor significantly affect on parameters dry weight of seeds per sample. However application of guano on mung bean no significant effect the parameters crop growth rate, days to flowering, days to harvesting, number of seed per sample, weight of 1000 seed and seed production per plot.Keywords : mung bean, varieties, guano
Pengaruh Konsentrasi Zat Pengatur Tumbuh dan Sumber Bud Chips Terhadap Pertumbuhan Bibit Tebu (Saccharum officinarum) di Pottray Haris Patar; Asil Barus; Irsal Irsal
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (556.866 KB) | DOI: 10.32734/jaet.v3i3.10944

Abstract

This study was conducted in PTPN II Kebun Tanjung Jati, Binjai on June until August 2014. The design of the experiment was randomized block design arranged in factorial with two factors. The first factor was the concentration Rootone F plant growth regulator with 4 levels of each R0 (0 mg/l), R1 (200 mg/l), R2 (400mg/l) and R3 (600 mg/l). The second factor was source of bud chips that origin from 3 parts of stem C1 (top), C2 (middle) dan C3 (bottom). The Parameter observed includes percentage of bud growth ≥ 5%, percentage of bud growth (%), plant height (cm), number leafs (sheet), diameter of stem (mm), volume of root (ml), fresh weight of crown (g), fresh weight of root (g), dry weight of crown (g) and dry weight of root (g).The result of research showed that Rootone F plant growth regulators influential significantly on percentage of bud growth ≥ 5%, diameter of stem 6-10 weeks after planted, volume of root, fresh weight of root, and dry weight of root. Sourced of bud chips influential significantly on percentage of bud growth ≥ 5%, percentage of bud growth 1 and 2 weeks after planted, plant height 2-10 weeks after planted and diameter of stem 2-8 weeks after planted. Interaction between consentration Rootone F plant growth regulator and source of bud chips haven’t the real influences toward all the parameter were observed.Keywords : Plant growth regulators, source of bud chips, sugarcane
Pertumbuhan dan Produksi Kacang Bogor (Vigna subterranea (L.) dengan Pemberian Pupuk P dan Arang Sekam Padi Rabani Rabani; Yaya Hasanah; Asil Barus
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.813 KB) | DOI: 10.32734/jaet.v3i3.10981

Abstract

Pemberian pupuk anorganik dan organik dapat menyediakan unsur hara yang dibutuhkan oleh tanaman kacang bogor seperti unsur hara P. Sebagian fosfor di dalam tanah umumnya tidak tersedia untuk tanaman. Salah satu bahan organik yang mampu melepaskan unsur hara P adalah arang sekam padi. Penelitian ini bertujuan untuk mengetahui respons pertumbuhan dan produksi kacang bogor terhadap pemberian pupuk P dan arang sekam padi. Penelitian dilaksanakan di lahan Fakultas Pertanian Universitas Sumatera pada Juli – Oktober 2014. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) faktorial dengan 2 faktor dan 3 ulangan. Faktor pertama yaitu pemberian pupuk P dengan 4 taraf (0; 30; 60 dan 90 kg SP-36/ha) dan faktor kedua yaitu komposisi top soil dan arang sekam padi dengan 4 taraf (1:0; 1:1; 1:2 dan 2:1). Data yang diperoleh dianalisis dengan menggunakan sidik ragam dan dilanjutkan dengan uji jarak berganda Duncan. Peubah amatan yaitu jumlah cabang, umur berbunga, bobot polong, dan bobot biji. Hasil analisis data menunjukkan bahwa pemberian pupuk P berpengaruh dalam meningkatkan jumlah cabang, umur berbunga, bobot polong dan bobot biji. Pemberian arang sekam padi meningkatkan jumlah cabang Interaksi antara pemberian pupuk P dan arang sekam padi berpengaruh tidak nyata terhadap semua peubah amatan.Kata kunci : pupuk P, arang sekam padi, kacang bogor
Respon Pertumbuhan Stump Karet (Hevea brassiliensis Muell Arg.) terhadap Pemberian Growtone Berbagai Komposisi Media Tanam Jenny Riris Marsella Panggabean; Charloq Charloq; Asil Barus
Jurnal Agroekoteknologi Vol 3, No 4 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (232.446 KB) | DOI: 10.32734/jaet.v3i4.11804

Abstract

Salah satu permasalahan yang dihadapi dalam budidaya karet dengan stump adalah tingginya persentase kematian stump di lapangan yang diakibatkan terhambatnya pertumbuhan akar dan tunas. Sehingga untuk mempercepat pertumbuhan perakaran dapat dilakukan dengan pemberian Growtone. Penelitian ini bertujuan untuk mengetahui respon pertumbuhan stump karet terhadap pemberian Growtone pada berbagai komposisi media tanam. Penelitian dilaksanakan pada bulan Juli hingga November 2014 di lahan Penelitian Fakultas Pertanian Universitas Sumatera Utara, Medan. Rancangan penelitian yang digunakan adalah rancangan acak lengkap faktorial dengan dua faktor dan tiga ulangan. Faktor pertama adalah Konsentrasi Growtone yaitu 0, 25, 50 dan 75 mg dan faktor kedua adalah perbandingan media tanam topsoil dan pasir yaitu 1:0, 1:1, 1:2, 1:3. Hasil penelitian menunjukkan bahwa pemberian Growtone tidak nyata meningkatkan pertumbuhan stump karet, pemberian media tanam topsoil : pasir (1:1) serta interaksi keduanya nyata meningkatkan pertumbuhan stump karet.Kata kunci : Stump, Growtone, Media tanam
Pengaruh Lama Penyimpanan dan Diameter Stum Mata Tidur terhadap Pertumbuhan Bibit Karet (Hevea brasiliensis Muell. Arg.) Mitra Kasih Maruhawa; Asil Barus; T. Irmansyah
Jurnal Agroekoteknologi Vol 3, No 4 (2015)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (279.553 KB) | DOI: 10.32734/jaet.v3i4.11806

Abstract

The purpose of this research is to found out the influence of storage period and diameter stump on stump rubber growth. This research was conducted at experimental field of Agriculture Faculty, University of North Sumatera, Medan, in april until august 2015, using randomized block design with two factors, i.e storage period (0,5,10,15,20 days) and diameter of stump (1.6-2.0 cm, 2.1-2.5cm, 2.6-3.0 cm). Parameters observed were percentage of grow, time of break bud, height of bud, diameter of bud, amount of leaf, total leaf area, root length, root dried weight and shoot dried weight. The result showed that the storage period significantly affected on percentage of grow, diameter of bud, amount of leaf, total leaf area and root length. While the treatment diameter of stump significantly affected on percentage of grow and root length. The interaction of two factor significantly affected on percentage of grow and root length.Keywords : stump rubber, storage period, diameter of stump
Co-Authors Agus Hariadi Pinem ahmad sadam Andi Sahputra Arga Malona Chairani Hanum Chairani Hanum Charloq Charoq Charoq Christofel Pratama Hasudungan Pasaribu Darwin C Naibaho Desy Lavria Dila Novayana Dini Oktaviani Fatiani Manik Fatiani Manik 2,, Fatiani Manik2 Ferry Ezra T. Sitepu Haris Patar Irma Afriyanti Irsal Irsal Jasmani Ginting Jenny Riris Marsella Panggabean Lely Wahidah Nasution Lili Wahyuni Lisa Lisa Mawarni Mariati Mariati Mariati Sinuraya Marnangon Alfa Tambunan Meiriani Meiriani Melinsani Manalu Mery Susana Tarigan Mestika Amelia Sinuraya Mitra Kasih Maruhawa muhammad habib sampurno Pendi Kurniawan Pasaribu Rabani Rabani Rasiska Tarigan Rina Christina Br. Hutabarat rizki fauzi rosita sipayung Sanggam Silitonga Surya Wardhana Syukri Syukri T. Irmansyah Vivi Ulfia Hasni Yaya Hasanah