Edison Purba
Program Studi Agroteknologi, Fakultas Pertanian, Universitas Sumatera Utara, Padang Bulan, Medan 20155, Indonesia.

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PERTUMBUHAN DAN PRODUKSI JAGUNG MANIS (Zea mays sacaratha Sturt. L) PADA BERBAGAI JARAK TANAM DAN WAKTU OLAH TANAH Silaban, Evy Thyrida; Purba, Edison; Ginting, Jasmani
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.v1i4.4383

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The aim of the research was to evaluate the growth and production of sweet corn (Zea mayssacharata Sturt. L) planted at various distance and land preparation (soil tillage prior to planting).The treatments were arranged in split plot design with three replication. The study consists of twofactors, as main plot was time of soil tillage prior to planting (one and seven days) whereas sub plotwas planting distance consist of four different spaces : 70cm x 10cm, 70cm x 20cm,70cm x 30cm dan 70cm x 40cm. Result showed that the plant spacing consists of 70cm x40cm performs significant effect on number of leaves, stem diameter, cob diameter, and productionper plant, but not significant effect on flowering time and number of cobs per plot. The interactionbetween time of planting and planting space had no significant effect on plant height, number ofleaves, stem diameter, days to flowering, cob diameter, number of cobs per plot, weight of cobs perplot and production per plant.Keywords: sweet corn, plant spacing and tillage time
IDENTIFICATION AND INVENTORY OF CASSAVA (Manihot esculenta Crantz) IN NORTH SUMATERA Emmy Harso Kardhinata; Edison Purba; Dwi Suryanto; Herla Rusmarilin
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol 7, No 1 (2020): August 2020
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (414.198 KB) | DOI: 10.31289/biolink.v7i1.3405

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The study of identification and inventory of cassava accessions was done from August to September 2014 in four districts based on their potential as a center for cassava cultivation, namely Simalungun, Serdang Bedagai, Deli Serdang, Langkat Regency representing the lowlands and Simalungun and Karo Regency representing the highlands. Each district was selected 3 subdistricts and each subdistrict was surveyed 3 villages randomly through the accidental sampling method. Guidance on identifying morphological characters was used by reference from Fukuda, et al. (2010) by giving a score for each character observed. The results of the study obtained 8 genotypes with their respective codes and local names; 1) Sawit (G1), 2) Lampung (G2), 3) Merah (G3), 4) Adira-1 (G4), 5) Kalimantan (G5), 6) Malaysia (G6), 7) Roti (G7) and 8) Klanting (G8). The most common genotype found in the location were Malaysia and Adira-1, while the rarest was Merah. The yield potential at the age of 10 months were Sawit (26,9–30,1 tons/ha), Lampung (29,6–52,6 tons/ha), Merah (54–61,6tons/ha), Adira-1 (34,8–55,0 tons/ha),  Kalimantan (15,8–64,2 tons/ha), Malaysia (32,9–64,3 tons/ha), , Roti (24,7–55,5 tons/ha), and Klanting (327,4–49,8 tons/ha).
RESPONS PERKECAMBAHAN BENIH PINANG (ARECA CATECHU L.) TERHADAP BERBAGAI SKARIFIKASI DAN KONSENTRASI ASAM GIBERELAT (GA3) Dini Mistian; Meiriani Meiriani; Edison Purba
Jurnal Agroekoteknologi Vol 1, No 1 (2012)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (47.912 KB) | DOI: 10.32734/jaet.v1i1.657

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ABSTRACT Response the seed germination of betel nut (Areca catechu L.) on some of scarification and gibberelic acid (GA3) concentration. The generative muliplication of betel nut need time to germinate about 8-12 weeks. One of causes is the ossify husk of seed which inhibit water into the seed. Therefore, a research had been conducted at Rumah Kassa, Faculty of Agriculture, USU (± 25 m asl) from March until May 2012 using factorial randomized block design with 2 (two) factors, i.e. scarification (without scarification, base scarification, middle scarification, and tip scarification) and gibberelic acid (GA3) concentration (0, 100, 200, and 300 mg/l). The parameters observed were speed of germination, seedling length, root length root number and leaf number. The result showed that scarification significantly increased on parameter speed of germination up to 64% and leaf number up to 167%. The gibberelic acid (GA3) concentration and interaction between scarification and gibberelic acid (GA3) concentration did not significant on all parameters.   Keywords: Betel Nut, Germination, Scarification, Gibberelic Acid (GA3)   ABSTRAK Respons perkecambahan benih pinang (Areca catechu L.) terhadap berbagai skarifikasi dan konsentrasi asam giberelat (GA3). Perbanyakan pinang secara generatif memerlukan waktu untuk proses perkecambahannya yaitu 8-12 minggu, salah satu penyebabnya adalah adanya dormansi yang disebabkan oleh kulit biji yang keras yang menghambat masuknya air ke dalam biji. Untuk itu suatu penelitian telah dilakukan di Rumah Kasa Fakultas Pertanian USU  (± 25 m dpl) pada Maret-Mei 2012 menggunakan rancangan acak kelompok faktorial 2 faktor yaitu skarifikasi benih (tanpa skarifikasi, skarifikasi pangkal, skarifikasi perut, dan skarifikasi ujung) dan perendaman dengan asam giberelat (GA3) (0, 100, 200, dan 300 mg/l). Peubah amatan yang diamati adalah laju perkecambahan, panjang bibit, panjang akar, jumlah akar dan jumlah daun. Hasil penelitian menunjukkan perlakuan skarifikasi benih nyata meningkatkan laju perkecambahan benih hingga 64% dan jumlah daun hingga 167% dibandingkan tanpa perlakuan skarifikasi. Konsentrasi asam giberelat (GA3) dan interaksi antara skarifikasi dan konsentrasi asam giberelat (GA3) berpengaruh tidak nyata terhadap semua peubah amatan. Kata kunci: Pinang, perkecambahan, skarifikasi, Asam Giberelat (GA3)
RESPON PERTUMBUHAN DAN PRODUKSI BAWANG MERAH (Allium ascalonicum L.) TERHADAP PEMBERIAN PUPUK NPK DAN KOMPOS KULIT BUAH KOPI Afriadi Simanjuntak; Ratna Rosanty Lahay; Edison Purba
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (323.156 KB) | DOI: 10.32734/jaet.v1i3.2273

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Application of inorganic fertilizers continuously without the use of organic fertilizers has caused the degradation of agricultural land. The negative impacts caused by land degradation is a decline in agricultural yield, such as the yield of shallot. A solution to solve this problem is to combination inorganic with organic fertilizers. Coffee pulp compost is one of the example of organic fertilizers. So, the research was conductedto investigate combination of NPK fertilizer and coffee pulp compost on growth and production of shallot which is use Randomized Block Design withtwofactors. Firstfactor is NPK fertilizer (0, 150,300, 450kg/ha) and thesecondfactor is coffee pulp compost (0,5, 10, 15 ton/ha).The results showed that the treatment of NPK fertilizer significantly affect the plant height 3,5,6 weeks after planting and production per plot.NPK at 150 kg/ha can increase production by 15.32% compared with no fertilization.Coffee pulp compost treatment significantly affect the production per plot.Compost at 10 ton/ha can increase production by 10.26% compared to without giving compost. The interaction between the NPK fertilizer and coffee pulp compost non significantly affect to all parameters.
PERTUMBUHAN DAN PRODUKSI JAGUNG MANIS (Zea mays sacaratha Sturt. L) PADA BERBAGAI JARAK TANAM DAN WAKTU OLAH TANAH Evy Thyrida Silaban; Edison Purba; Jasmani Ginting
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (156.847 KB) | DOI: 10.32734/jaet.v1i3.3174

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The aim of the research was to evaluate the growth and production of sweet corn  (Zea mays sacharata Sturt. L) planted at various distance and land preparation (soil tillage prior to  planting). The treatments were arranged in split plot design with three replication. The study consists of two factors, as main plot was time of soil tillage prior to planting (one and seven days) whereas sub plot was planting distance consist of four different spaces : 70cm x 10cm, 70cm x 20cm, 70cm x 30cm dan 70cm x 40cm. Result showed that the plant spacing consists of  70cm x 40cm performs significant effect on number of leaves, stem diameter, cob diameter, and production per plant, but not significant effect on flowering time and number of cobs per plot. The interaction between time of planting and planting space had no significant effect on plant height, number of leaves, stem diameter, days to flowering, cob diameter, number of cobs per plot, weight of cobs per plot and production per plant. Keywords: sweet corn, plant spacing and tillage time
PENGARUH WAKTU PENYIANGAN TERHADAP PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS SORGUM (Sorgum bicolor (L.) Moench) Dewi Hiasinta Tarigan; T. Irmansyah T. Irmansyah; 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 (247.047 KB) | DOI: 10.32734/jaet.v2i1.5723

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ABSTRACTThis study aims to know the effect of weeding time on the growth and production of some varietiesof sorghum in Pasar 1 street Tanjung Sari, Medan, with ± 25 meters altitude above the sea level inJuly – November 2012. The design use Factorial Separated Design Frame with 2 aspects. The firstaspect as a main frame is variety (Sangkur, Kawali, Numbu) and the second factor as subordinateframe is weeding time (clean weeding during research, weeded after 7 days planting, weeded after 14days planting, weeded after 21 days planting, weeded after 28 days planting, without weedingprocess). The parameters measured were plant height, number of leaves, flowering, canopy wetweight, production per sample, production per plot, the production per ha, the weight of 1000 seeds.From the research, varieties significantly affect on plant height (4-8 weeks after planting), number ofleaves (6 and 8 weeks after planting), flowering, canopy wet weight, production per sample,production per plot, production per hectare, weight 1000 seeds.Weeding time significantly affect onplant height (4-8 weeks after planting) the number of leaves (2-8 weeks after planting), the weight ofthe wet canopy, production per sample, production per plot, production per hectare, the weight of1000 seeds. Interaction significantly affect on the number of leaves 6 weeks after planting.Keywords : sorghum, varieties, and weeding time
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

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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.
PENGARUH PEMBERIAN FUNGI MIKORIZA ARBUSKULAR (FMA) TERHADAP PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS TEMBAKAU (Nicotiana tabaccum L.) DI LAPANGAN Parulian Sinaga; Edison Purba; Jonis Ginting
Jurnal Agroekoteknologi Vol 2, No 2 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (131.608 KB) | DOI: 10.32734/jaet.v2i2.7065

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ABSTRACTThe growth and yield of a selected tobacco varieties (Nicotiana tabaccum L) treated withmycorhiza fungi arbuskular were evaluated in a field experiment. The aimed of the research was todetermine the effect of mycorhiza fungi on the growth and yield of several varieties of tobacco. Theresearch was conducted outdoor in the field at Balai Benih Penelitian Tembakau Deli Medan withaltitude of about 25 meters above sea level at the beginning of February until May 2012, with twotreatment factors. The first factors is Varieties of tobacco (Tobacco deli varieties F1-45, VirginiaTobacco varieties NC 95, Tobacco varieties Deli Deli-4), the second factors is mycorhiza fungiarbuskular (without mycorhiza fungi arbuskular, 15 g/plant, 30 g/plant and 45 g/plant). Theparameters measured were plant height, number of leaves, stem diameter, and sand leaf length. Theresults showed that mycorhiza fungi arbuskular showed the best results for the parameters of plantheight, and steam diameter. Varieties significant effect on the parameters of plant height, stemdiameter, sand leaf weight. Combination treatment with different varieties mycorhiza significanteffect on plant height and stem diameter.Keywords: Mycorrhiza, varieties, Nicotiana tabaccum.
PERTUMBUHAN DAN PRODUKSI JAGUNG ( Zea may s L. ) PADA BERBAGAI METODE PENGENDALIAN GULMA Norman Swasco Simanjuntak; Edison Purba; Jonatan Ginting
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (126.661 KB) | DOI: 10.32734/jaet.v2i3.7460

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The presence of weeds in the cultivation of maize PRG C7 tolerant to glyphosate herbicide face theproblem of decline in maize production . The spraying of glyphosate herbicide can suppress weeds ,and is expected to increase the growth and production of maize in cultivation . Research conductedat Balai Benih Induk Tanaman Palawija crop field , Tanjung Selamat , Kecamatan sunggal,, NorthSumatra on March-July 2013, using a randomized block design (RBD ) with four types of nonfactorialmethod of weed control treatments and 4 replications . The parameters measured wereplant height , number of leaves , leaf length , leaf width , stem diameter , high productive cob,number of productive cob , cob length , cob diameter , cob weight klobot , klobot ear length , earweight without klobot , number of seeds per cob shelled , shelledgrain weight per ear, dry weight of 100 seeds,water content. The results showed that theeffect of glyphosate herbicide spraying is not real stem diameter and dry weight of 100 seeds butsignificant effect on other parameters.________________________________________________________________________________Keywords: product of genetic engineering, tolerant of glyphosate , glyphosate , weed , corn hybrids.
KOMPOSISI DAN KEPADATAN SEED BANK GULMA PADA BERBAGAI KEDALAMAN TANAH PERTANAMAN PALAWIJA BALAI BENIH INDUK TANJUNG SELAMAT Marshal P. Siahaan; Edison Purba; Teuku Irmansyah
Jurnal Agroekoteknologi Vol 2, No 3 (2014)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (277.41 KB) | DOI: 10.32734/jaet.v2i3.7509

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Weed seeds in the soil per hectare can reach millions of amount and consists of many differentspecies. The depth of the weed seeds can be used as indicator of competitive level between crop andweeds. The research aims to determine the composition and density of seed bank at various level ofsoil depths at “ Balai Benih Palawija ” Tanjung Selamat North Sumatra. Soil Samples warecollected from four soil depths, namely: 0-5 cm, 5-10 cm, 10-15 cm,15-20 cm using metal pipe withdiameter of 3 cm. The parameters measured were the number of weeds that grow by the depth ofsoil, weed composition (%) per depth of soil and weeds growing time per depth of soil.From resultshowed that the highest density of weed seed bank is found at the depth of 0 – 5 cm. Weedcomposition dominated ( 68.9 % ) by broadleaf weeds. There are differences in the composition anddensity of the real seed bank at different depths in the soil in the field area of Balai Benih IndukTanjung Selamat. Composition and density of weed tends to be lower in deeper soil depths.Keywords: seed bank, depth of soil and crops planting area