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Sumatera utara
INDONESIA
AGROEKOTEKNOLOGI
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
Arjuna Subject : -
Articles 49 Documents
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Search results for , issue "Vol 2, No 2 (2014)" : 49 Documents clear
PERBAIKAN SIFAT FISIK DAN KIMIA TANAH ULTISOL SIMALINGKAR B KECAMATAN PANCUR BATU DENGAN PEMBERIAN PUPUK ORGANIK SUPERNASA DAN ROCKPHOSPHIT SERTA PENGARUHNYA TERHADAP PRODUKSI TANAMAN JAGUNG (Zea mays L.) Evan Sanjaya Sipayung; Gantar Sitanggang; Muhammad M. B Damanik
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (168.896 KB) | DOI: 10.32734/jaet.v2i2.7042

Abstract

ABSTRACTEvan Sanjaya Sipayung. Repair Soil Physical and Chemical Properties Ultisol Simalingkar BDistrict of Pancur Batu With Organic Fertilizer Provision SUPERNASA and Rockphospit AndIts Effect on Production of Corn(Zea mays L.) Guided By Gantar Sitanggang and M. M. B.Damanik.This study implemented in native land Ultisol Simalingkar Pancur Batu Subdistrict BDeli Serdang regency. This study aims to improve the physical and chemical properties of soilultisol Simalingkar B Deli Serdang regency and its influence on the production of maize (Zeamays L.) with the application SUPERNASA and rockphospit. These data were analyzed by usinga randomized block design (RBD) Factorial.The results showed that the organic fertilizerSUPERNASA can increase the corn production. The rock phosphate significantly increase BD,C-Organic, P-available of soil and corn production.Keywords: Ultisol, SUPERNASA solid organic fertilizer, rockphosphate, corn
UJI KEEFEKTIFAN PERENDAMAN BENIH DAN PEMBERIAN KOMPOS PANGKASAN MUCUNA TERHADAP PERTUMBUHAN Mucuna bracteata Mazidah Ulfa; Toga Simanungkalit; Irsal Irsal
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (120.475 KB) | DOI: 10.32734/jaet.v2i2.7044

Abstract

ABSTRACTThe efectivity of soaking seed with compot residu of mucuna on growth Mucuna bracteata. Thisstudy aims to evaluate efectivity of soaking seed with compost residu of Mucuna on growthMucuna bracteata . The research was conducted at the Tumpatan Nibung, kecamatan batang kuis,kabupaten Deli Serdang. Using the randomized block design with two factors that isand compost residu of Mucuna (1:1, 1:2,1:3) with 3 replications. Observation variable is shoot capacity, growth percentation, number ofbranch, total leaf area, wet weight of the top stem, an dry weight of the top stem. The result showedthat soaking seed is significant to shoot capacity, number of branch and wet weight of the top stembut not significant to total leaf area, growth perecentation and dry weight if the top stem. Compostresidu of Mucuna is significant to number of branch, total leaf area, and wet weight of the top stembut not significant to shoot capacity, growth percentation, and dry weight of the top stem. Treatmentinteraction is not significant to all observation bariable.Key words: soaking seed, compost residu of Mucuna, Mucuna bracteata
EFISIENSI PEMUPUKAN P TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN JAGUNG (Zea mays L.) PADA TANAH ANDISOL DAN ULTISOL Ardian Tambunan; Fauzi Fauzi; Hardy Guchi
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (130.287 KB) | DOI: 10.32734/jaet.v2i2.7045

Abstract

ABSTRACTAn experimental research was done to measure the nutrient use efficiency (NUE) of Phosphorus (P)in Andisols and Ultisols. The research was conducted in Screenhouse and Research and TechnologyLaboratory, Faculty of Agriculture, University of North Sumatera from September 2012 until July2013. It was arranged in Non-factorial Randomized Block Design with 6 dosages of PhosphorusFertilizer (SP-36) in Andisols and Ultisols (0; 0,4; 0,8; 1,2; 1,6; and 2,0 grams of SP-36/plant). The intertreatments effects were analyzed using DMRT.The results showed thatRecovery Efficiency (RE) and Agronomic Efficiency (AE) in Ultisols are higher than in Andisols,meanwhile Physiological Efficiency (PE) in Andisols is higher. RE and AE were decreased as aresult of increasing dosage of SP-36 meanwhile PE was increased. The best treatment in Andisolsand Ultisols is 0,8 grams SP-36/plant. In Andisols, productivity of maize at that treatment is 109,23grams/plant (7,28 tons/Ha); RE (11,55%); PE (576,67 grams dry weight cob of maize /g P2O5);and AE (66,68 grams dry weight cob of maize /g P2O5). In Ultisols, productivity of maize at thattreatment is 67,30 grams/plant (4,48 tons/Ha); RE (15,16%); PE (589,29 grams dry weight cob ofmaize /g P2O5); and AE (88,94 grams dry weight cob of maize /g P2O5)Key words : Nutrient Use Efficiency (NUE), phosphorus (P), andisols, and ultisols
PEMETAAN STATUS UNSUR HARA FOSFOR DAN KALIUM DI PERKEBUNAN NANAS (Ananas comosus L. Merr) RAKYAT DESA PANRIBUAN KECAMATAN DOLOK SILAU KABUPATEN SIMALUNGUN Muhammad Afwan Hadi; Razali Razali; Fauzi Fauzi
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (349.968 KB) | DOI: 10.32734/jaet.v2i2.7046

Abstract

ABSTRACTMapping of Phosphorus and Potassium status on Pineapple people plantations in the villagePanribuan Sub District Dolok Silau District Simalungun Leading by Ir. Razali, MP. andIr. Fauzi, MP. This research purpose to make a mapping phosphorus and potassium status onPineapple people plantations in the village Panribuan Sub Dolok Silau Simalungun District. Theresearch started to do on October 2012 until January 2013. Method of taking sample used the freemethod grid survey with detail scale and use correlation method to analysis data, with interpretatingin mapping Nitrogen and C-Organic. Parameters to be analyzed are P2O5 and K2O.The result ofresearch shows that P2O5 status devided by four status ; low (6.5 Ha), medium (11.63 Ha), high (8.7Ha) and very high (8.61 Ha. K2O devided by four status ; very low (20.09 Ha), low (11.76 Ha),medium (3.28 Ha), and high (0.31 Ha). Satistic analysis using SPSS known that the no effect on anincrease in production by P2O5 but K2O give effect on an decrease in pineapple production.Keywords : mapping, P2O5, K2O, and production
UJI PEMBERIAN PEG 6000 TERHADAP MORFOLOGI BENIH KARET (Hevea brassiliensis, Muell-Arg.) TANPA CANGKANG SETELAH PENYIMPANAN Muhammad Husni; Charloq Charloq; B Siagian
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (222.138 KB) | DOI: 10.32734/jaet.v2i2.7047

Abstract

ABSTRACTGiving test of PEG 6000 to morphology of rubber seeds (Hevea brassiliensis, Muell-Arg.) shellesafter storage. Rubber seeds are recalcitrant seeds have a very high water content, low storability, sorapid had deterioration, and therefore required special treatment on the storage period to maintainseed viability. Using PEG 6000 increased storage recalcitrant seeds because it has the potential tolimit cell osmoticum changes in water content and oxygen on seed. The purpose of this study to getthe right PEG 6000 concentration to improve seed storability. The research was conducted inJanuary and March 2012 at the Seed Technology Laboratory, Agricultural Faculty, Sumatera UtaraUniversity, Medan – Indonesia. Randomly complete design was applied with four treatments andfour replications, i.e: PEG 6000 ; 0, 150, 300, 450 (gr/l aquadest). Parameters observed germinateseeds in storage and recapitulation germinate seeds ability after storage. The results showed thatPEG 6000 was significantly on germinated seeds in storage but not siqnificant effect on seedgermination after storage and best result was achieved at PEG 300 gr/l aquades, germinated seedsin storage was 0,33% and recapitulation germinate seeds ability after storage was 80,09%.Key words: PEG 6000, rubber seed, seed storage
PERTUMBUHAN BIBIT KAKAO (Theobroma cacao L.) DENGAN PEMBERIAN PUPUK NPK DAN HAYATI Indah permata Sari Siagian; Balonggu Siagian; Jonatan Ginting
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (249.737 KB) | DOI: 10.32734/jaet.v2i2.7048

Abstract

Research on title The Growth of Cacao (Theobroma cacao L.) Seedling by Using NPK Fertilizer.This research was held in resident area in Tanjung Sari from December 2012 to April 2013. Theobjective of the research was to study the effect of NPK fertilizer, biofertilizer and their interactionon cacao growth. Experiment design was arranged in group randomized design with 2 factor. Thefirst factor was rate of NPK fertilizer, consisted of 4 level: P0 (0 gram), P1(7,5 gram), P2(15gram),P3 (22,5 gram). The second factor was rate of biofertilizer, consisted 4 level : B0 (0gram), B1 (10 gram), B2 (20 gram), B3 (30 gram). Parameters observed consist of plant height(cm), the amount of leaf (sheet), stem diameter (cm), total leaf area (cm2), shoot wet weight (g),shoot dry weight (g), root wet weight and root dry weight (g).The results showed that by usingbiofertilizer affected significantly for the amount of leaf, shoot wet weight and shoot dry weight.NPK fertilizer and their interaction effect was not significant on all parameters were observed.Keywords: cacao, NPK fertilizer , biofertilizer
RESPONS PERTUMBUHAN BIBIT AREN ( Arenga pinnata Me Manahan Manahan; Lollie Agustina P. Putri; Yusuf Husni
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (275.358 KB) | DOI: 10.32734/jaet.v2i2.7049

Abstract

ABSTRACTOne of the problems encountered in the development of the sugar palm seedling there is no fertilizer issuitable for palm nursery. Based on this, the objective of this research was to determine the effect of liquidorganic fertilizer on the growth of sugar palm seedling. The research was conducted at area University ofSumatra Utara, Medan with ± 25 m height above sea level which is held in August to December 2012randomized block design was used. The treatment was a liquid organic fertilizer with some types anddossages of different fertilizers. The treatment was used four replication. The type and dosage of fertilizerwas used in control (without organic liquid fertilizer), organic liquid fertilizer N: <2%, P2O5: <2%, K2O:<2% (50 cc / seeds), organic liquid fertilizer N: <2%, P2O5: <2%, K2O: <2% (75 cc / seeds), organic liquidfertilizer P2O5: <2%, K2O: <2% (4.5 cc / seeds), organic liquid fertilizer P2O5: <2 %, K2O: <2%(7cc/bibit), liquid organic fertilizer N 0.011%, P 6.26 mg/100 ml, 72.13 K mg/100ml, auxin IAA 0.066 g / l,GA3 gibberellins 0.093 g / l (6cc/bibit), liquid organic fertilizer N 0.011%, P 6.26 mg/100 ml, 72.13 Kmg/100ml, auxin IAA 0.066 g / l, GA3 gibberellins 0.093 g / l (8.5 cc / seeds). Parameters measured werepalnt height, leaves number, stem diameter, total leaves area, shoot weight, root weight, shoot dry weight androot dry weight. The results showed that the liquid organic fertilizer had not been significantly affected forall parameters were palnt height, leaves number, stem diameter, total leaves area, shoot weight, root weight,shoot dry weight and root dry weight.Keywords: iquid organic fertilizer, palm
PENGGUNAAN Beauveria bassiana DAN Bacillus thuringiensis UNTUK MENGGENDALIKAN Plutella xylostella L.(Lepidoptera; Plutellidae) DI LABORATORIUM Ria Febrika1*, Syahrial Oemry2, Mena Uly Febrika; Syahrial Oemry; Uly Uly Tarigan
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.03 KB) | DOI: 10.32734/jaet.v2i2.7050

Abstract

ABSTRACTResearch on title the utility beauveria bassiana and bacillus thuringiensis to controlplutella xylostella L. (lepidoptera: plutellidae) in the laboratory. The research was to study theeffectivity of B. bassiana and B. thuringiensis as biological agens to control P. xylostella oncabbage in laboratory. The research was conducted at the Insect Laboratory, Agriculture Faculty,University of Sumatera Utara, Medan since May–December 2012. The method of this research wasRandomized Complete Design Non Factorial with seven treatments (control, B. thuringiensis 5 g/l,B. thuringiensis 10 g/l, B. thuringiensis 15 g/l,B. bassiana 5 g/l, B. bassiana 10 g/l, B. bassiana15 g/l) with three replications. The parameters were the percentage of mortality and the change ofmorphology larva. The results showed that B. thuringiensis and B. bassiana effective to controlP. xylostella, the using of B. thuringiensis result the highest percentage of mortality was 93.33% on10 g/l and the lowest was 53.33% on 5 g/l, the using of B. bassiana result the highest percentage ofmortality was 86.67% on 10 g/l and the lowest was 53.33% on 5 g/l.Keywords : Plutella xylostella, Beauveria bassiana, Bacillus thuringiensis
PERTUMBUHAN DAN PRODUKSI BAWANG MERAH DENGAN PEMBERIAN BERBAGAI PUPUK ORGANIK Fitri Anisyah; Rosita Sipayung; Chairani Hanum
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (132.792 KB) | DOI: 10.32734/jaet.v2i2.7051

Abstract

ABSTRACTGrowth and Yield of Shallot (Allium ascalonicum L.) with Application of the some of organicfertilizer. Application of in organic chemical fertilizers continuously without organic fertilizers hascaused soil degradation. One of the negative effect is decrease agriculture production such as shallotyield. A solution to solve this problem is to substitute chemical fertilizers application with organicfertilizer that can demage the soil into organik fertilizer. The objective of this research was to studygrowth and yield of shallot with application of organic fertilizer. The research was conducted inPasar 1 Tanjung Sari, from June until August 2012. The research using Randomized Block Designone factor with six compost, were without organic fertilizer (control), compost of empty fruitbuches oil palm, sludge, vermicompost, straw, and municipal solid waste. Parameters were: plantheight, number of plantlet, shoot root ratio, clove dry weight of sample, dry weight of sample andclove number of sample. The results showed that application of organic fertilizer did not hadpositive response to the growth of shallot except for number of plantlet on 3 weeks after plantingtime and shallot dry weight per sample.Key words : palm empty fruit bunches (PEFB), sludge, vermicompost, straw compost, municipalsolid wastecompost, Shallot
UJI EFEKTIFITAS Trichoderma harzianum DENGAN FORMULASI GRANULAR RAGI UNTUK MENGENDALIKAN PENYAKIT JAMUR AKAR PUTIH (Rigidoporus microporus (Swartz:fr.) van Ov) PADA TANAMAN KARET DI PEMBIBITAN Marah Halim Pulungan; Lahmuddin Lubis; Fatimah Zahara; Zaida Fairuzah
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (265.497 KB) | DOI: 10.32734/jaet.v2i2.7052

Abstract

ABSTRACTResearch on title testing the effectiveness of Trichoderma harzianum yeast granular formulations tocontrol white root fungus disease (Rigidoporus microporus (Swartz:fr.) van Ov) in the rubber plantnurseries. Required more efficient technologies in utilizing Trichoderma spp, one of which is makeformulations in granular form. Granular formulations easier in application, longer storage period andsupport the deployment of Trichoderma in the soil. This study aims to know the effectiveness ofT. harzianum granular formulations with a variety of mixed media in controlling white root diseasefungus in rubber plant. The research was conducted at Rubber Research Institute of Plant Sungei Putih,Deli Serdang, North Sumatra from Desember 2012-April 2013. The method used randomized blockdesign (RBD) Non Factorial consists of 10 treatments with three replications. The results showed thatthe highest disease intensity at treatment control (83.33%) and the lowest at treatment rice flour +T.harizianum (05.55%). High rubber stump buds highest at treatment rice flour + sugar + bread yeast +T. harzianum (24.44 cm) and the lowest at treatment control (7.78 cm). While soil pH was highest attreatment rice flour + tape yeast + T. harzianum ground limestone (6.33), and the lowest soil pH ontreatment rice flour + tape yeast + sulfur + T. harzianum (4.33). Growth and the antagonist ofT. harzianum higher compared with the addition of other fungi that could be a competitor for space andnutrients of T. harzianum.Keywords : Trichoderma harzianum, yeast, granular, rubber, Rigidoporus microporus

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