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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 50 Documents
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Search results for , issue "Vol 2, No 1 (2013)" : 50 Documents clear
RESPONS PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS BAWANG MERAH(Allium ascalonicum L.) TERHADAP BERBAGAI SUMBER NITROGEN ORGANIK Sugiyarto Sugiyarto; Meiriani Meiriani; Jasmani Ginting
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.838 KB) | DOI: 10.32734/jaet.v2i1.5841

Abstract

The research had been conducted at Tanjung Sari, Medan at ± 25 m asl from April until June 2012.The research using factorial randomized block design with 2 (two) treatment factors. The first factorwas using of three variety namely : V1: Bima Brebes; V2: Kuning; V3: Sembrani. The second factorwas addiction of fertilizer as organic nitrogen source with four levels P0: control ; P1: biomass ofsoya 2.357,67 kg/ha; P2: vermicompost 3.252,55 kg/ ha ; P3: palm oil fruit bunch 2.121,90 kg/ha;P4: chicken manure 3.350,37 kg/ha. The results showed that the Sembrani variety had given thebest results on some parameters of growth and production. The using of biomass of soya 2.357,67kg/ha resulted diameters and weight of tubers were compared with the other organic fertilizers andcontrol. The interaction between the both of treatment was effected significantly on parameters wetweight of tuber per plot, dry weight of tuber per plot, diameter of wet tuber per clump and diameterof dry tuber per clump.Key words : varieties, organic nitrogen, shallot
EFEK TEMPERATUR TERHADAPVIRULENSI JAMUR Colletotrichum gloeosporioidesPenz. Sacc.PENYEBAB PENYAKIT ANTRAKNOSA PADATANAMAN KAKAO(Theobroma cacao L.) Tatik Fadilah Hakim Harahap1; Lahmuddin Lubis; Hasanuddin Hasanuddin
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (278.942 KB) | DOI: 10.32734/jaet.v2i1.5842

Abstract

Temperature Effect TowardsVirulency ofColletotrichum gloeosporioides Penz. Sacc. FungalDisesase Caused of Anthracnose on Cocoa(Theobroma cacaoL.).This research aims to determindvirulency level, disease incident and temperature effect towards fungal morphology growth of C.gloeosporioides fungal disesase caused of anthracnose oncocoa (Theobroma cacao L.). The studywas conductedat Karang Anyar village, regency in Langkat with altitude±28masl, at Sambirejovillage, regency in Langkat with altitude±28masl, at Bekukul village, regency in Deli Serdang withaltitude±100 masl, at Sayum Sabah village, regency in Deli Serdang with altitude±200 masl and atthe Laboratory ofPlant Disease, Agroecotechnology Program Study, Faculty of AgricultureUniversity of Sumatera Utara, Medan from July to December 2012.The method of this research issurvey.Results showedthat highest attack percentage was founded in Sambirejo villagewhich reach100% and thelowest was founded in Sayum Sabah village which reach 95%, highest diseaseseverity was founded in Bekukul village which reach 92.0% and thelowest was founded in KarangAnyar village which reach 78.6% and showed no differences fungus morphology that extractedfrom four different location.Keywords: C. gloeosporioides,virulency, morphology, temperature, cocoa
RESPONS PERTUMBUHAN DAN PRODUKSI KEDELAI (Glycine max (L.) Merrill) YANG DIBERI FUNGI MIKORIZA ARBUSKULAR (FMA) PADA TANAH SALIN Teguh Hakiki Nasution; Rosmayati Rosmayati; Yusuf Husni
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (223.701 KB) | DOI: 10.32734/jaet.v2i1.5843

Abstract

Soybean crop productivity on saline land affected by the input that is given to the provisionof mycorrhizal plants. For which a research field trials have been conducted in the village ofTanjung Rejo District Percut Sei Tuan Deli Serdang regency (± 1.5 m asl.) In May-July 2012.Experimental was conducted using a factorial randomized block design that is mycorrhizalwith standard treatment (M0 = No provision of mycorrhizal and mycorrhizal granting M2 =10 g / plant), the treatment was repeated six times. The data were analyzed using variance(ANOVA) and continued with HSD.The analysis of data showed that administration ofmycorrhizae improve plant height at age 5 MST, the number of branches, number of podsand cropping, as well as accelerate the age of flowering plants.Key words: salinity, mycorrhizal
PENGARUH VARIETAS DAN BAHAN ORGANIK TERHADAP JUMLAH ANAKAN DAN PRODUKSI PADI SAWAH IP 400 FASE VEGETATIF MUSIM TANAM I Timbul Simbolon; Posma Marbun; Fauzi Fauzi
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (224.178 KB) | DOI: 10.32734/jaet.v2i1.5844

Abstract

This research was aimed to determine whether composting organic materials and varieties of riceplants of different IP 400 can reduce the rate of air temperature in rice vegetative phase and also toknow which varieties or organic matter are likely to be better in reducing the rate of air temperatureand increase rice production IP 400. This research was conducted in paddy fields and DevelopmentResearch Institute, Village Market District Leaning Fence Merbau Deli Serdang (30 29 '51.33 "Nand 980 54' 19.87" E) with a height of 30 meters above sea level where conducted from February2012 to complete. This research used a randomized block design factorial with six combinations oftreatments and three replications thus obtained eighteen experimental unit. Treatment consists ofV1B0 (Inpari 1 + Without Organic Materials), V1B1 (Inpari 1 + straw compost 9 kg), V1B2 (Inpari 1+ Cow Manure 9 kg), V2B0 (Ciherang + Without Organic Materials), V2B1 (Ciherang + Compoststraw 9 kg), V2B2 (Ciherang + Cow manure 9 kg). The results of this research indicate varieties ofrice IP 400 and composted organic materials that have been able to suppress the air temperature andincrease rice production IP 400, but did not suppress emission rate at 35 days after planting.Keywords: IP 400, cow manure, straw compost, air temperature
KAJIAN TINGKAT BAHAYA EROSI DI BEBERAPA PENGGUNAAN LAHAN DI KAWASAN HILIR DAERAH ALIRAN SUNGAI (DAS) PADANG Tomy Ardiansyah; Kemala Sari Lubis; Hamidah Sari Hanum
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (246.807 KB) | DOI: 10.32734/jaet.v2i1.5861

Abstract

Study about erosion hazard level on some land uses was coducted at watershed of Padang. Thisresearch was implemented in the downstream Padang watershed of Tebing Tinggi region. theobjectiveof this research is to determine the tolerance erosion (T), actual erosion (A), and erosionhazard level at several land use in downstream areas DAS Padang. This research was conducted byusing survey method Sampling by cluster method at four (4) land uses consist of palm oil (twentyyears), rubber, cacao and cassava. Prediction of erosion by using USLE (Universal Soil LossEquation). The result showed that highest actual erosion at land rubber was 374.298 ton/ha/thn atundulating topography, lowest at cacao was 17.960 ton/ha/thn at flat topography, highest tolerancaerosion at cassava was 28.250 ton/ha/thn, lowest at rubber was 23.750 ton/ha/thn and level oferosion hazard highest at rubber was 15.760 ton/ha/thn at undulating topography included in thecriteria low, lowest at cacao was 0.718 ton/ha/thn at flat topography included in the criteria verylow.
RESPONS PERTUMBUHAN DAN PRODUKSI KACANG TANAH TERHADAP PEMBERIAN KOMPOS JERAMI PADI DAN FUNGI MIKORIZA ARBUSKULA Tua Bastari Prima Bangun; Nini Rahmawati; Meiriani Meiriani
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (233.754 KB) | DOI: 10.32734/jaet.v2i1.5862

Abstract

Growth Response and Yield of Peanut with Straw Compost and Mycorhiza Vesicular ArbuscularApplication. This research aims to study response in growth and yield of peanut for giving strawcompost and mycorhiza vesicular arbuscular. This research conducted on community land locatedat Pasar 1 Street, Tanjung Sari with altitude ± 25 meters above sea level in June until September2012 using Randomized Block Design (RBD) factorial with two factors , which are straw compostdoses (0, 750, 1500, 2250 g per plot) and mycorhiza vesicular arbuscular (0, 10 g micofer perplanting hole). The parameters observed were plant height, number of branches, weight of pods perplot and 100 seeds weight. The results showed that straw compost significantly affected plant height4-12 weeks after planting, and weight of pods per plot. Mycorhiza vesicular arbuscular andinteraction of them not significantly affected on all parameters observed.
PENGARUH PEMBERIAN KOMPOS KULIT DURIAN DAN KOMPOS KULIT KAKAO PADA ULTISOL TERHADAP BEBERAPA ASPEK KIMIA KESUBURAN TANAH Volmer Damanik; Lahuddin Musa; Posma Marbun
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (235.628 KB) | DOI: 10.32734/jaet.v2i1.5863

Abstract

Ultisol is a quite large of soil and have many constraints to be used as agricultural soil. Some of theconstraints are: Low level of the organic content, soil acidity, high level of Al saturation and lowCEC so that this land productivity is quite low. To increase the productivity can be done by increasethe availability of nutrient by adding organic compost i.e. Durian Shell compost and Cacao Shellcompost. The experiment was conducted in Completely Randomized Design methode with 3replications consistedof nine treatment. I.e by adding Durian’s Shell compost and Cacao’s Shellcompost consisting of ;1,5 g (Z1), 3,0 g (Z2), 4,5 g (Z3), 6,0 g (Z4)Durian’s Shell compost in every300 g Ultisol, and 1,5 g (C1), 3,0 g (C2), 4,5 g (C3), 6,0 (C4) Cacao’s Shell in every 300 g Ultisol,and Blanko treatment (Z0). The result shows that the addition of Durian’s Shell Compost andCacao’s Shell Compost give very real effect on Al-dd, and generally tend to increase the pH, CEC,Organic C, Total N of the soil and decrease the level of exchangeable Al.Keywords: ultisol, compost, aspects of soil fertility
PERTUMBUHAN DAN HASIL TIGA KLON UBI JALAR PADA JARAK TANAM YANG BERBEDA Wikka Sasvita; Chairani Hanum Chairani Hanum; Edison Purba
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (194.526 KB) | DOI: 10.32734/jaet.v2i1.5864

Abstract

Potensi ubi jalar di Kota Binjai cukup tinggi dapat dilihat dari segi ekonomi maupun sosial budaya.Pemilihan klon ubi merupakan alternatif peningkatan produksi dan mutu ubi jalar di Kota Binjai.Produksi yang tinggi dari ubi jalar tergantung pada bagaimana meningkatan potensi ubi jalar danmetode kultur teknik. Jarak tanam dan variasi klon adalah salah satu alternatif untuk meningkatakanproduksi yang tinggi. Penelitian dilakukan untuk membandingkan pertumbuhan dan hasil tiga klonubi jalar pada jarak tanam yang berbeda di Kelurahan Cengkeh Turi, Binjai (+ 25 mdpl) dari bulanMei - Agustus 2012 menggunakan rancangan acak faktorial 2 faktor. Faktor pertama yaitu klon yangterdiri dari Daya, A82 dan Jago, faktor kedua adalah jarak tanam terdiri dari: 5x100; 15x100;25x100; 35x100 dan 45x100 cm. Hasil penelitian menunjukkan bahwa klon Daya menghasilkanbobot umbi terbesar pada jarak tanam 45 x 100 cm, klon A82 pada jarak tanam 35 x 100 cm,sedangkan klon Jago pada jarak tanam 25 x 100 cm. Jumlah umbi terbesar terdapat pada klon Dayadengan perlakuan jarak tanam 25 x 100 cm. Bobot rata-rata satu umbi per tanaman, bobot rata-ratasatu umbi per plot, panjang umbi per sampel dan lilit umbi per sampel tertinggi terdapat pada jaraktanam 45 x 100 cm.Kata kunci : ubi jalar, klon, jarak tanam.
RESPONS PERTUMBUHAN DAN PRODUKSI BIOMASSA TANAMAN OBAT PEGAGAN (Centella asiatica (L.)Urb.) DENGAN PEMBERIAN FOSFOR DAN METIL JASMONAT. Windy WS Manullang; J. A. Napitupulu J. A. Napitupulu; Mariati Mariati; Noverita SV Noverita SV
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (400.499 KB) | DOI: 10.32734/jaet.v2i1.5865

Abstract

Response of Growth and Biomass Production of Medicinal Plants Centella (Centella asiatica (L.)Urb.) Phosphorus And Methyl jasmonate aplication. The aims of this study is determine theresponse of growth and biomass production of medicine plants Centella to aplications Phosphorusand Methyl jasmonate. For this purpose, field experiment had been done in January to June 2012 atdesa Syahmad Lubuk Pakam by using Randomized Block Design for growth variable whichphosphor application as single factor with 9 blocks and for component of biomass productionvariable used by Split Plot Design with factors, they are jasmonate rate (0;100;200 μM) andphosphor application as the sub plot (0,18,36,54 kg P2O5/ha). The growth and production charactersobserved were number of primary shoots, number of stolon, fresh and dry weight per sampel andfresh and dry weight per plot. The results showed that all characters were not significantly effectedby phosphorus and methyl jasmonate, significant interaction for both treatsments only at 11 weeksafter sawing for stolon numbers and the highest was found in combination of 100 μM jasmonateand without phsophorus.Keywords: centella asiatica, methyl jasmonate, phosphorus
PERANAN MIKORIZA TERHADAP PERTUMBUHAN, SERAPAN P DAN Cd TANAMAN SAWI (Brassica juncea L.) SERTA KADAR P DAN Cd ANDISOL YANG DIBERI PUPUK FOSFAT ALAM Yuli Sagala; Asmarlaili sahar Hanafiah; Razali Razali
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (388.301 KB) | DOI: 10.32734/jaet.v2i1.5866

Abstract

This study aimed to determine the role of Mycorrhizae on plant Cd uptake P and mustard(Brasicca juncea L.) as well as the availability of P and Cd in fed Andisol phosphate fertilizer. Theresearch was conducted in the Greenhouse, Soil Biology Laboratory, and the Laboratory ofResearch and Technology Faculty of Agriculture, University of North Sumatra, Medan, in July2012-March 2013. This study uses a randomized block design (RBD) Factorial. The first treatmentwas a factor with two levels of mycorrhizal inoculum M0 (0g) and M1 (20g), the second factor isthe treatment of phosphate fertilizer (SP-36) with 4 dose levels, P0 (0g), P1 (0.97g), P2 (1.94g ),and P3 (3.88g) with 3 Deuteronomy thus obtained 2x4x3 = 24 experimental units. The parametersmeasured were the canopy dry weight, root dry weight, P uptake, mustard plant (Brasicca juncea L.)Cd uptake, the degree of mycorrhizal infection, levels availbility of P and Cd levels Andisol. Theresults showed that administration of Mycorrhizae increase the dry weight of the canopy, the degreeof infection of the roots, P uptake and plant-available soil P levels. Phosphate fertilizersincreased the dry weight of the plant canopy and P uptake, and tend to increase levels of P and Cdsoil and plant P uptake but not statistically.Keywords: andisol, phosphate fertilizer, and mycorrhizae.

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