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AGROEKOTEKNOLOGI

agroekoteknologi
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Published by Universitas Sumatera Utara

ISSN : 23376597 EISSN : - DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Jurnal AGROEKOTEKNOLOGI merupakan jurnal ilmiah yang diterbitkan secara online berisikan hasil-hasil penelitian tentang hama dan penyakit tumbuhan, agronomi, pemuliaan tanaman dan ilmu tanah

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Articles 49 Documents

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Search results for , issue "Vol 2, No 2 (2014)" : 49 Documents clear

DAYA KECAMBAH DAN PERTUMBUHAN Mucuna bracteata MELALUI PEMATAHAN DORMANSI DAN PEMBERIAN ZAT PENGATUR TUMBUH GIBERELIN (GA3)v Hardianti Putri Sari; Chairan Hanum; Charloq Charloq
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

The generative propagation of Mucuna bracteata is very difficult and requires special treatment.Dormancy breaking in hard seed of Mucuna purpose to enhance germination. The research wasconducted at the public land, Tanjung Selamat, Deli Serdang from November 2012 to February2013, using a randomized block design with 2 factors and 3 replications. The first factor was thedormancy breaking (control, cutting the seed coat, polished with sand paper, and hot water soaking)and the second factor was gibberellin (GA3) (0, 150, 300 and 450 ppm). The parameters observedwere the germination, long tendrils, number of leaves, shoot dry weight, root dry weight. The resultshowed that the dormancy breaking significantly affected to all parameters. Giving of Gibberellins(GA3) significantly affected to the germination and shoot dry weight. Interaction between dormancybreaking and Gibberellins significantly affected to the germination and shoot dry weight. The bestgermination were showed by cutting the seed coat and giving 300 ppm GA3.Keywords : dormancy fracturing, gibberellins, germination, Mucuna bracteata.

PERTUMBUHAN DAN AKUISISI N, P, K BIBIT KELAPA SAWIT (Elaeis guineensis Jacq.) SISTEM SINGLE STAGE DENGAN PERLAKUAN MEDIA TANAM LIMBAH KELAPA SAWIT Ahmad Rodian Habibi Nasution; Jonatan Ginting; Toga Simanungkalit
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Penelitian berjudul pertumbuhan dan akuisisi n, p, k bibit kelapa sawit (Elaeis guineensis Jacq.)sistem single stage dengan perlakuan media tanam limbah kelapa sawit bertujuan untuk mengetahuipertumbuhan dan akuisisi N, P, K bibitkelapa sawit (Elaeis guineensis Jacq.) sistem single stagedengan media tanam limbah kelapa sawit. Penelitian menggunakan rancangan acak kelompok nonfaktorial yang terdiri atas 13 jenis media tanam yang terdiri atas top soil, sub soil, serat, soliddecanter, top soil + sub soil (1:1), top soil + serat (1:1), top soil + solid decanter (1:1), top soil +serat + solid decanter (1:1:1), sub soil + serat (1:10), sub soil + serat (1:1), sub soil + solid decanter(1:1), sub soil + serat + solid decanter (1:1:1), top soil + sub soil + serat (1:1:1), dan top soil + subsoil + solid decanter (1:1:1). Parameter yang diamati adalah tinggi bibit, diameter batang, bobotkering akar, bobot kering tajuk, volume akar, dan kadar NPK daun. Hasil penelitian menunjukkanbahwa asing-masing media menunjukkan perbedaan pertumbuhan dan akuisisi N, P, K. Mediatanam berpengaruh nyata pada tinggi bibit 14 MST, bobot kering akar dan tajuk, volume akar, dankadar N daun. Kombinasi perlakuan serat dan solid decanter terbaik ditunjukkan oleh perlakuan topsoil+serat+solid decanter), M12 (top soil+sub soil+serat) dan M13 (top soil+sub soil+soliddecanter).Kata kunci : pertumbuhan, akuisisi, bibit, kelapa sawit

RESPONS PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS KEDELAI (Glycine Max L. (MERILL)) DENGAN PEMBERIAN PUPUK ORGANIK CAIR Dyah Karunia Sari; Yaya Hasanah; Toga Simanungkalit
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Reseacrh on tittle respons of soybean (Glycine max L. (Merill)) varieties growth and productionwith application of liquid organic fertilizer aimed to evaluate the effect of three levels liquid organicfertilizer on four of soybean verieties growth and production in dry land. The experiment designwas factorial randomized block design with two factors and three replication. The first factor wasvarieties which consisted of Anjasmoro, Wilis, Detam 1, and Detam 2. The second factor was liquidorganic fertilizer with three levels: 0; 20; 40 cc/applications which applied for seven times at 2–8week after planting (WAP). The parameters was plant height, shoor root ratio, number ofproductive branches, seed dry weight per plot, and 100 seed dry weight. The result showed thateach variety had different growth and production. Liquid organic fertilizer increased plant height4-5 WAP, shoot root ratio, and seed dry weight per plot compared without application of liquidorganic fertilizer. Interaction between varieties and liquid organic fertilizer significantly affectednumber of productive branches and 100 seed dry weight. Wilis showed the best respons withapplication of 16.75 cc liquid organic fertilizer because of its ability to produce the higher 100 seeddry weight.Keywords : soybean, production, liquid organic fertilizer, variety

RESPONS PERTUMBUHAN DAN PRODUKSI KEDELAI (Glycine max L. (Merill)) DI LAHAN KERING TERHADAP INOKULASI Bradyrhizobium japonicum YANG DIINDUKSI GENISTEIN DAN PEMBERIAN PUPUK ORGANIK Yuda P Surbakti1; Yaya Hasanah; Lisa Mawarni
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Effort to increase soybean production in dryland experiencing problems such as nutrientdeficiencies. Alternative attempt to resolve the issue that inoculation of B. japonicum is able tofixate free N2 in the atmosphere that can be utilized by soybean plants. In this symbiosis requiredisoflavone genistein is a signal molecule for nodulation. The objective of this research was knowthe respons of growth and production of soybean (Glycine max L. Merill.) on dryland withapplication of inoculation B. japonicum induced genistein and organic fertilizer. This research wasconducted at Desa Sambirejo Kecamatan Binjai Kabupaten Langkat on June - October 2012, usinga randomized block design factorial with two factors. The first factor was isoflavon (genistein)consisted of without genistein and with genistein. The second factor was combination ofB. japonicum with organic fertilizer consisted of without B. japonicum; B. japonicum;B. japonicum + fertilizer organic (10 ton/ha); B. japonicum + rice straw compost (10 ton/ha);B. japonicum + fertilizer organic (5 ton/ha) + rice straw compost (5 ton/ha). Parameters observedwere shoot dry weight, root dry weight, seed dry weight per plant, and dry weight of 100 seeds.The result showed that induction of genistein tends to increase shoot dry weight, root dry weight,seed dry weight per plant, dry weight of 100 seeds, combination B. japonicum and rice strawcompost to increase dry weight of 100 seeds, and the interaction between genistein and combinationB. japonicum and rice straw compost tends to increase root dry weight and dry weight of 100 seeds.Key words: B. japonicum, genistein, growth, production, soybean

EVALUASI PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS PADI GOGO (Oryza sativa L.) PADA BEBERAPA JARAK TANAM YANG BERBEDA Fristy Rebecca Hasianta Sitohang; Luthfi Aziz Mahmud Siregar; Lollie Agustina P. Putri
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Rice is an important commodity in Indonesia. As time went on the narrowing of fertile irrigatedland due to conversion of non-agricultural land for the benefit of making an effort to do that is theuse of improved varieties of upland rice using proper spacing. This study aims to determine themost appropriate spacing and varieties that will enhance the growth and production of uplandrice. The research was carried out on community lahan masyarakat 1 Tanjung Sari, District MedanMedan Selayang Municipal ± 25 m altitude above sea level in the month of June to October2012. This study uses a randomized block design (RBD) with treatment consisting of five varietiesof varieties namely, varieties Situ Bagendit, Situ Patenggang, Towuti, Batutegi and Cirata, andtreatment spacing of three that is 20x20 cm, 20x25 cm and 20x30 cm and the treatment wasrepeated three times.The data obtained were analyzed using analysis of variance, followed byDuncan's Multiple Range Test (DMRT). Results of data analysis showed that the different varietiesof real observations on variables plant height, number of tillers, number of panicles, number ofempty grains, the amount of productive grain, grain weight per sample, 1000 grain weight, and theweight per sample. Spacing is not significantly different on all variables observations. Interactionsbetween plant spacing and different varieties of real variables only on observations of productionper plot.Key words: varieties, spacing, upland rice.

RESPON PERTUMBUHAN BEBERAPA VARIETAS TIMUN (Cucumi s sat i vus L. ) TERHADAP PEMBERIAN PUPUK ORGANIK Vernando Simanullang; Mbue Kata Bangun; Hot Setiado
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

The research was conducted on the farm field with ± 25 meters above sea level from May to July2012. Randomized Block Design was used with 2 factors, ie: varieties (Hercules, Mercy and Harmony)and organic fertilizers (0, 100, 200, 300 g/plant). The parameters observed were plant height, the timeof flowering, the number of branches, the time of harvest, the fruit production per plant, the fruitlength, and the fruit diameter. The results showed that the varieties significantly affected: the plantheight 2, 3, and 4 week planted, the time of flowering, the number of branches, the time of harvest, thenumber of production per plant, the fruit length and the fruit diameter. Fertilizer significantly affectedto almost all of the observation parameters except the the plant heigh 2 week planted. The interactionbetween variety and organic fertilizer affected only to the fruit diameter.Key words: cucumber, variety, organic fertilizer

PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis guineensis Jacq.) PADA BERBAGAI PERBANDINGAN MEDIA TANAM SOLID DECANTER DAN TANDAN KOSONG KELAPA SAWIT PADA SISTEM SINGLE STAGE Syukri Habibi Nasution; Chairani Hanum; Jasmani Ginting
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

The objective of this research to study the best composition of various comparison of media soliddecanter and oil palm empty fruit bunch. This research was conducted at Kebun Bangun PTPN IIIKabupaten Simalungun, Pematang Siantar with a height of ± 300 metres above sea level, beginNovember 2012 until July 2013 by using a Randomized Block Design Non Factorial with 11treatment of growing media. The results showed that treatment of growing media significantlyaffected all parameters except plant heigt 6, 8, and 10 week after plan. Using oil palm empty fruitbunch on planting medium increased shoot root ratio.Keywords :solid decanter, palm oil empty fruit bunches, palm oil

RESPON PERTUMBUHAN DAN PRODUKSI BENGKUANG (Pachyrhizus erosus (L.) URBAN) TERHADAP WAKTU PEMANGKASAN DAN JARAK TANAM Ferdinandus DM. Panggabean; Lisa Mawarni; T. Chairun Nisa
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

The objective of this research was to determine the right pruning times and spacing for the growth andproduction of yam (Pachyrhizus erosus (L.) Urban). This research used factorial randomized blockdesigned with 2 factors and 3 replications. The first factor was pruning time (P),namely withoutpruning (PA), pruning 7 weeks after planting (PB) and pruning 8 weeks after planting (PC) Thesecond factor was spacing (J) which consisted of 20 x 10 cm (J1), 20 x 15 cm (J2),20 x 20 cm (J3),and 20 x 25 cm (J4). The results showed that pruning significantly increased length of plant andnumber of branches. The treatment of spacing area influenced plant height. Interaction of pruningtimes and spacing increased plant height and number of branches.Key words : Yam, Pruning times, Spacing plants.

PERTUMBUHAN DAN PRODUKSI BAWANG MERAH DENGAN PENGOLAHAN TANAH YANG BERBEDA DAN PEMBERIAN PUPUK NPK Romayarni Saragih; B. Sengli J. Damanik; Balonggu Siagian
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Research on title the growth and yield of shallot on different soil tillage and giving NPK fertilizerthis research was to determine growth and yield of Shallot on different soil tillage and Giving NPKfertilizer. This research had been conducted at Farm Resident on street Pasar I number 89, TanjungSari, Medan at ± 25 m asl from May until July 2013 using split plot design with two factor, i.e. SoilTillage (once tillage and twice tillage) and dose of NPK fertilizer (0; 0,6; 1,2; 1,8 and 2,4 g/ plant).Parameter observed were plant height, tillers number per sample, leaves number per sample, clovenumber per sample, wet weight tuber per sample, wet weight tuber per plot, dry weight tuber persample, dry weight tuber per plot and dry weight root per sample. The result showed different soiltillage treatment significantly affected on wet weight tuber per sample and dry weight tuber persample. NPK fertilizer treatment significantly effected on parameters plant height, wet weighttuber per sample, wet weight tuber per plot, dry weight tuber per sample and dry weight tuber perplot. The interaction of two factor not significantly affected all of parameter observed.Keywords : Soil Tillage, NPK Fertilizer, Shallot

UJI EFEKTIVITAS NUCLEAR POLYHEDROSIS VIRUS (NPV) TERHADAP PENGENDALIAN HAMA PENGGEREK BATANG JAGUNG Ostrinia furnacalis Guenee (LEPIDOPTERA:PYRALIDAE) PADA BERBAGAI INSTAR DI LABORATORIUM Tri Yaninta Ginting; Syahrial , Oemry; Mukhtar Iskandar Pinem
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Researech on title test of efectivity nuclear polyhedrosis virus on controlling corn borerOstrina furnacalis Guenee (Lepidoptera:Pyralidae) on some instar in the laboratory. The researchaim to know the concentrate of NPV on some instar of corn borer controlling in the laboratory.This research used randomized complete design factorial with two factor, i.e. instar of larva (3, 4and 5) and dose of NPV (0, 1000, 2000, and 3000 ppm) with three replications. The results showedthat the highest percentage of mortality was 86,08% (virus dose 3000 ppm) and the lowest was7,52% (control) .Keywords : NPV, mortality, Ostrinia furnacalis Guenee

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