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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 59 Documents

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Search results for , issue "Vol 1, No 4 (2013)" : 59 Documents clear

EVALUASI KARAKTER MORFOLOGIS DAN PRODUKSI MUTAN PADI DENGAN APLIKASI PUPUK N DAN P YANG BERBEDA Indra Maulana` Indra Maulana; Eva Sartini Bayu; Lolliei Agustina P. Putri
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Evaluation Of Morphological Characters and Production of Mutan Rice by Aplicating N And PDifferent Fertilizer. Rice crop is the staple food for more than 1750 million people who inhabit thecountries of Asia and is a strategic political commodity, so that rice production in the country bemeasured by the availability of food for Indonesia. Through the technique of irradiation to producemutants or mutated plants with properties expected after a series of testing, selection andcertification. This reaserch using Randomized Block Design with 2 factors, nitrogen (250, 300, 350kg/ha) and phosphate (200, 250, 300 kg/ha). From the data analysis obtained that Nitrogen andPhosfat fertilized treatment perform the significant effect to the plant height, number of tillers, themaximum number of tillers, number of productive tillers panicle number, the number of paniclebranches, number of grains per panicle, 1000 grain weight, production per plant and production perhectare. treatment did not significantly affect the parameter of seed germination,time germination,he number of empty grains per panicle, the percentage of empty grains per panicle, length ofvegetative stage, length stadia generative, age of flowering , age of harvest and stem diameter.Keywords : nitrogen, phosphate, mutan, rice

UJI EFEKTIVITAS JAMUR ANTAGONIS Trichoderma sp. dan Gliocladium sp. UNTUK MENGENDALIKAN PENYAKIT LANAS (Phytophthora nicotianae) PADA TANAMAN TEMBAKAU DELI (Nicotiana tabaccum L.) Irma Agustina; Mukhtar Iskandar Pinem; Fatimah Zahara
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The test of the effectiviveness of Trichoderma sp. and Gliocladium sp. antagonism fungi is aimed tocontrol lanas disease (Phytophthora nicotianae) in Deli tobacco plants (Nicotiana tabaccum L.). Theaim of the research was to know the effectiveness of Trichoderma sp. andGliocladium sp.antagonism fungi in controlling lanas disease in Deli tobacco plants. The research wasconducted at Tembakau Deli Research Center of PTPN II Sampali, Medan, from May untilSeptember, 2012. The research used non-factorial RAK (cluster random design) with ten treantmentsand three repetitions: control, P.nicotianae, 5 grams of Trichoderma sp., 10 grams of Trichoderma sp.,15 grams of Trichoderma sp., 20 grams of Trichoderma sp., 5 grams of Gliocladium sp.,10 grams of Gliocladium sp., 15 grams of Gliocladium sp., and 20 grams of Gliocladium sp. The resultof the research showed that the percentage of the highest attack was found in the treatment ofP.nicotianae (25.00%), but there was no symptom (0,00%) in the treatments of control,15 grams of Trichoderma sp., 20 grams of Trichoderma sp., 10 grams of Gliocladium sp.,15 grams of Gliocladium sp., and 20 grams of Gliocladium sp. The highest plant was found in thetreatment of 20 grams of Gliocladium sp. (50,92 centimeters) and the lowest plant was found in thetreatment of P.nicotianae (31,14 centimeters). The largest number of leaves was found in treatment of20 grams of Gliocladium sp. (20,18 leaves), and the smallest number of leaves was found in thetreatment of P.nicotianae (9,25 leaves). The result of the test of Trichoderma sp. and Gliocladium sp.antagonism fungi on P.nicotianae indicated that the growth of both fungi had rapidly developed so thatP.nicotianae tended to get away from antagonism at the media in the laboratory.Keywords: Trichoderma sp., Gliocladium sp., P.nicotianae, Antagonism

EVALUASI KEMAMPUAN LAHAN DESA SIHITONG, SINAR SABUNGAN DAN LUMBAN LOBU KABUPATEN TOBA SAMOSIR Sitohang, Julpan Lynneus; Sitorus, Bintang; Sembiring, Mariani
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i4.4391

Land capability evaluation is an evaluation of land potential for use of various farmingsystems in general without specifying the allocation to certain crops and management actions. Theresearch was conducted in April of 2012. The purpose of this study was to determine the landcapability class on Sihiong, Sinar Sabungan and Lumban Lobu Village Toba Samosir Distric withthe method of limiting factors and matching according to land capability class Arsyad (1989).Analysis of the soil such as soil texture, permeability, bulk density, salinity and organic material areconducted in the Laboratory of Research and Technology, Faculty of Agriculture, University ofNorth Sumatra and field observations such as slope, erosion factors, soil depth, drainage, gravel /rock and inundation / flood hazard. The results showed that areas Sihiong, Sinar Sabungan andLumban Lobu has actual land capability class is the same class III (es), Class III is in which landcan be used for the production of crops and forests, (es) an limiting factor on erosion and the depthof the root zone or soil (solum). So the capability class of potential land become III (s), which (s) isa limiting factor on the rooting area only.Keywords: evaluation of land capability, survey, BPS Tobasa

KAJIAN SIFAT KIMIA TANAH SAWAH DENGAN POLA PERTANAMAN PADI SEMANGKA DI DESA AIR HITAM KECAMATAN LIMA PULUH KABUPATEN BATUBARA Junita N Palembang; Jamilah Jamilah; Sarifuddin Sarifuddin
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Rice and Watermelon cropping pattern has been always applied at Air Hitam Village, Lima PuluhSubdistrict, Batu Bara District. The selected cropping pattern was choosed because of rice productiondid not increase in rice and rice cropping pattern, and it will be expected that rice and watermeloncropping pattern will increase the farmer income. The difference in cropping pattern and supply oforganic matter changes in soil properties of fields. The objective of this study was to know the changesin some chemical properties of paddy soil at Air Hitam Village, Lima Puluh Subdistrict, Batu BaraDistrict which is lacated at about 18 m above sea level (asl). Parameters measured were pH usingElectrometric method, organic carbon by using Walkley and Black method, available phosphorus byusing Bray II method, exchangeable potassium NH4OAc with method, total-N by using Kjeldahl methodand available SiO2 by using ammonium acetate extraction. The results of this study showed that rice andwatermelon cropping pattern didn’t affect the paddy soil chemical properties including pH, organiccarbon, total-N, available phosphorus, and exchangeable potassium, except soil available SiO2, is higherat rice and watermelon cropping pattern compared to that rice-rice cropping pattern.Key words : cropping system, soil chemical properties.

RESPONS PERTUMBUHAN DAN PRODUKSI TIGA VARIETAS SORGUM (Sorghum bicolor (L.) Moench) DENGAN PERBEDAAN SISTEM PENGOLAHAN TANAH Leonard Septian Munthe1*, Leonard Septian Munthe1*, Leonard Septian Munthe1*,; T. Irmansyah T. Irmansyah; Chairani Hanum
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Growth and Yield Response of Three Sorghum Varieties (Sorghum bicolor (L.) Moench) onDifferent Soil Tillage. The aim of this research was to compare growth and yield of three varieties ofsorghum on different soil tillage. It was conducted at Pasar 1, Tanjung Sari, Medan about 25 mabove sea level on June to October 2012 by using Split Plot Design with two factors. The first factorwas sorghum variety (Sangkur, Kawali, Numbu) and the second one were different soil tillage (notillage, once tillage, twice tillage). The research land had sandy loam soil texture. The results ofresearch showed that growth and yield of Sangkur, Kawali, and Numbu weren’t effected by soiltillage treatment but without tillage treatment showed the best result. Numbu had better result onshoot dry weight (59.29%), biomass weight (59.37%), root volume (64.83%), yield per sample(59.42%), and 1000 grains weight (56.83%) compared with other varieties. The interaction betweensorghum variety and different soil tillage had no significantly effect on growth and yield of sorghum.Key words : Sorghum, variety, soil tillage, growth, yield

RESPON PERTUMBUHAN JAHE MERAH (Zingiber officinale Rosc.) TERHADAP PEMBERIAN NAUNGAN DAN BEBERAPA TEKNIK BERTANAM Lili Wahyuni; Asil Barus; Syukri Syukri
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

This study aims to determine the growth response of ginger (Zingiber officinale Rosc.) On the provision ofshade and some farming techniques. Implemented in the district land Labuhan Deli, Deli Serdang regency inOctober 2011 until March 2012. The study uses a separate plot design (RPT) is played with 2 main plotconsisting of shade and without shade. Sub plot consists of 3 level ie beds, baskets and polybag. The resultsshowed that shade significantly affect plant height MAP (Moon after plant) aged 3 and 4 MAP, number oftillers and number of leaves MAP ages 2 and 4, the distance between the tiller and rhizome wet weight / plantage 4 MAP. Farming techniques significantly affect plant height MAP aged 3 and 4, the number of tillers andnumber of leaves aged 2, 3 and 4 MAP, the distance between two MAP tiller, rhizome weight per plant age 4MAP. Interaction of shade treatment and farming techniques significantly affect the number of chicks aged 3and 4 MAP, number of leaves 2 and 3 MAP, and weight per plant ginger rhizome age 4 MAP. But did notsignificantly affect the number of puppies aged 2 MAP, the number of leaf age 4 MAP, distance anatar tiller 2,3 and 4 MAP and MAP age 4 diameter rods.Key words : ginger, shade, planting techniques

PERTUMBUHAN DAN PRODUKSI KACANG TANAH ( Arachis hypogaea L.) PADA BEBERAPA PENGOLAHAN TANAH INSEPTISOL DAN PEMBERIANPUPUK KASCING Muhammad Rizqi Habiby; Sengli Damanik; Jonathan Ginting
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Peanut is one of the source of protein for human foods. Production of peanutscan be increase by land cultivation and giving vermicompost. This research aimed toevaluate the effect of land cultivation and giving vermicompost for growth andproduction of peanuts. The study was conducted in Tanjung Sari, Kecamatan MedanSelayang. This research used split plot design, with two factors. First factor is landcultivation with 4 levels (traditional tillage with two stage of cultivation, traditionaltillage with one stage of cultivation, minimum tillage, and no-tillage).The secondfactor is the ratio of vermicompost and chemical fertilizers, whith 5 levels(chemical 100%,vermicompost 100%, vermicompost 75% + chemical fertilizer25%, vermicompost 50% + chemical fertilizer 50%, and vermicompost 25% +chemical fertilizer 75%. The result showed that land cultivation significantlyaffected the parameters the number of ginofor 2 and 3 month after planting(MAP), the number of filled pod, 100 seed weigth, production per sample andproduction per plot. The ratio of vermicompost and chemical fertilizerssignificantly affected the parameters of the number of branch 1 and 2 MAP. Theinteraction between land cultivation and the ratio of vermicompost and chemicalfertilizers did not significantly affected for all parameters.Keywords : land cultivation, vermicompost, peanuts.

TANGGAPPERTUMBUHANSTUMP MATA TIDURKARET TERHADAP KOMPOSISI MEDIA TANAM DAN PEMUPUKAN NPK ORGANIK Mahfriza Fansuri Mahfriza FansuriQ; Irsa Irsa; Nini Rahmawati
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The aim of the research is to know the response of rubber budded stump growth of the compositionsof growing media and organic NPK fertilization. It was conducted at Kuala Bingai Village, Stabat,regency of Langkat about 15 m sea level on May to August 2012 by using arandomized blockdesignfactorialtwofactorsthat is organic NPK fertilization (0, 50, 100, 150 g/polybag) and thecomposition of growing media (subsoil, subsoil+compost of blotong sugar cane andsubsoil+compost of blotong sugar cane+sand). The parameters observed were percentage stump ofshoot, speed of eye stump out, shoot lenght,number of leaves, shoot grith, percentage of stump oneumbrella leaf’s and total leaves width.The result of research showed that compositions of growthmedia and organic NPK fertilization showed no significant effects for all parameters. Interaction ofboth treatments influenced significantly on shoot lenght 8 and 12 MST and shooth grith 6-10 MST.Key words : organic NPK, growing media, rubber budded stump

RESPONS PERTUMBUHAN BIBIT KAKAO TERHADAP PEMBERIAN KOMPOS SAMPAH KOTA DAN PUPUK P Marisi Untung Hutahaean; Balonggu Siagian; Lisa Mawarni
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

The response of cocoa seedlings growth for giving municipal waste compost and P fertilizer. Thedesign of the experiment was randomized block design arranged in factorial with two factors. Thefirst factor is municipal waste compost, Subsoil ultisol 5 kg + municipal waste compost 0 kg,Subsoil ultisol 3,75 kg + municipal waste compost 1,25 kg, Subsoil ultisol 2,5 kg + municipal wastecompost 2,5 kg, Subsoil ultisol 1,25 kg + municipal waste compost 3,75 kg. The second factorpresent of Phosphat Fertilizer, 0 g/polibag, 2 g/polibag, 4 g/polibag, 6 g/polibag. The Parameterobserved includes plant hight (cm), number leafs (sheet), diameter of stem (mm), total of broad leaf(cm2), fresh and dry weight of crown (g), fresh and dry weight of root (g).The result of reseach showed that municipal waste compost influential significantly on plantheight, number of leafs, diameter of stem, total of broad leaf, fresh and dry weight of crown, freshand dry weight of root. P fertilizer was significantly on total of broad leaf. Interaction between ofmunicipal waste compost and P fertilizer was not significantly to all parameters.Key words : cacao, compost, phosphat

RESPONS PERTUMBUHAN TEMBAKAU DELI (Nicotiana tabaccum (L.)) PADA BEBERAPA JENIS KAPUR DAN TANAH DI SUMATERA UTARA M. Silaban, Martua; Ginting, Jonis; Barus, Asil
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i4.4398

Response of growth of deli tobacco (Nicotiana tabaccum (L.)) on some kind of lime and soil typesin North Sumatera. Deli tobacco is variety of tobacco that is used as world top quality wrapper ofcigar . But, in last years production of deli tobacco had been decreasing because of landdegradation. Consequently, it is important to develop deli tobacco plantation to another soil typesthat is combine by giving some kind of lime. The aim of this research was to examine growth ofdeli tobacco (Nicotiana tabaccum (L.)) on some kind of lime and soil types in Noerth Sumatera.The research was conducted in the land of the Research Center of Deli Tobacco (BPTD) SampaliPTPN II, starting from February to May 2012, using a randomized block design (RBD) factorialwith two factors and three replications . The first factor is soil types (alluvial, andosol, hidromorf,ultisol). The second factor is the kind of lime (dolomite, calsit, kaptan). The results showed thatsoil types significantly affect on plant height, diameter of stem, number of leave, thick leaf sand,1 foot thick leaves, long leaves sand, 1 foot long leaves, leaf width sand, and 1 foot wide leaves.Kind of Lime and the interaction between soil and lime is not significantly affect for all parameterobserved.Keywords: soil, lime, Tobacco Deli.

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