Garuda - Garba Rujukan Digital

Article Per Year (5 Year)

All

AGROEKOTEKNOLOGI

agroekoteknologi
Website

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 39 Documents

1 2 3 4

Search results for , issue "Vol 3, No 3 (2015)" : 39 Documents clear

Pengujian Kompos Tithonia (Tithonia diversifolia) Pada Dua Varietas Sorgum (Sorghum bicolor (L.) Moench) Di Desa Siopat Sosor Kabupaten Samosir Yan Pieter; T. Irmansyah; Lisa Mawarni
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The aim of this research was to know growth response and production of some sorghum varieties to the addition of tithonia compost. The research was held from July - November 2014, used randomized block design with three factors addition of tithonia compost (0, 10, and 20 ton/ha) and two varieties (Kawali and Numbu). Parameters measured were plant height,the number of leaves , flowering time, weight of panicle seed per sample, weight of panicle seed per plot, yield per sample, yield per plot, and 1000 grains weight. The result showed that compost doesn’t affected significantly on all of parameters. Varieties affected significantly on plant height, the number of leaves, flowering time, yield per sample, yield per plot, and 1000 grains weight. There were not any interaction between compost and variety on all parameters. The best result was found in the combination of 10 kg tithonia compost and numbu variety.Keywords: , tithonia, variety, compost, sorghum.

Pengaruh Waktu dan Konsentrasi Paclobutrazol Terhadap Pertumbuhan Bunga Matahari (Hellianthus annuus L.) Egith Marshel; Mbue Kata Bangun; Lollie Agustina P Putri
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The research aimed to know the influence by the time of application and concentration of paclobutrazol to growth of Sunflower. The research was carried out in the gauze house, Agricultural Faculty of North Sumatera University from September 2013 to January 2014. This research used Split Plot Design with two factors. Main plot was time of application of paclobutrazol consist of three levels: 3 weeks after planting (WAP);4 WAP; 5 WAP. Sub plot was Paclobutrazol concentration consist of four levels are 0 ppm; 50 ppm; 100 ppm; 150 ppm. The parameters in this research were plant height, number of leaf, stem diameter and root length.The results showed that time of application of paclobutrazol has no effect significantly yet to all parameters. Paclobutrazol concentration give effect significantly to plant height and stem diameter on 6 WAP until 11 WAP. While interaction between time of application and concentration of paclobutrazol have no effect significantly yet to all parameters.Keywords: paclobutrazol, sunflower, time of application

Pengaruh Pemberian Fosfat Alam dan Bahan Organik pada Tanah Sulfat Masam Potensial Terhadap P-Tersedia Tanah dan Produksi Padi (Oryza sativa L.) M. Alfaddli Purba; Fauzi Fauzi; Kemala Sari
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

This research was conducted to study the effect of phosphate fertilizer and organic matter in a potential acid sulphate to P-soil available and production of rica (Oryza sativa L.) at Karang Anyar Village, Secanggang Districk. This research was designed by factorial randomized design with 2 factor and 3 replication . Sample soils were taken with 3 replice randomly at 0-20 cm depth. The first factor is dose phosphate fertilizer are control (P0), 0.64 g (P1), 1.28 g (P2), 1.92 g (P3) and dose of organic matter are control (P0), blotong 40 g (B1), manure 40 g (P2), blotong and manure mixed (P3). The results of this study showed that of natural phosphate in acid sulphate soils can increase the P-available soil at a dose of 1.28 g / 8 kg dose equivalent 1 ton/ha , the highest weight of 1000 grains at a dose of 1.92 g / 8 kg dose equivalent 1.5 ton/ha and the lowest percentage of grain at a dose of 1.92 g / 8 kg . Giving filter cake showed the highest P-available soil. Organic matter showed the highest 1000 grain weight in a mixture of filter cake and manure at a dose of 10 tons / ha. The percentage of low grain in manure 10 tons / ha. Interaction between phosphate at a dose of 1.28 g / 8 kg dose equivalent 1 ton/ha with a mixture of manure and filter cake, showed the highest P-available soil. Interaction between phosphate at a dose of 1.92 g / 8 kg dose equivalent 1.5 ton/ha with a mixture of filter cake and manure showed the lowest percentage of empty grains. Keywords : Phosphate fertilizer, Organic matter, Interaction, P-available and Production.

Laju Pertumbuhan Tanaman dan Produksi Dua varietas Kacang Hijau (Phaseolus radiatus L.) Dengan Pemeberian Pupuk Guano Desy Lavria; lisa Mawarni; Asil Barus
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The aim of this research was aplication guano on mung bean which hope to can increase the growth and production. This research was conducted at experimental field of Agriculture Faculty USU in Juli-September 2014 using factorial randomized block design with two factor, i.e. types of varieties (betet and walet) and guano (none; 200; 400 and 600 kg/ha). Parameter observed were relative growth rate and dry weight of seeds per sample. The result showed that varieties and guano application significantly affect the parameters of relative growth rate in the 10-21 day after planted (DAP). The interaction of two factor significantly affect on parameters dry weight of seeds per sample. However application of guano on mung bean no significant effect the parameters crop growth rate, days to flowering, days to harvesting, number of seed per sample, weight of 1000 seed and seed production per plot.Keywords : mung bean, varieties, guano

Respons Pertumbuhan Dan Produksi Bawang Merah (Allium ascalonicum L.) terhadap Pemberian Abu Vulkanik Gunung Sinabung dan Arang Sekam Padi Esther Tarigan; Yaya Hasanah; Mariati Mariati
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

Abu vulkanik yang mengandung hara penyubur tanah untuk pertanian sebenarnya baru bisa dimanfaatkan sekitar 10 tahun setelah peristiwa meletusnya gunung, namun teknologi percepatan pelapukan abu vulkanik dapat dilakukan dengan mencampur bahan organik. Salah satu bahan organik yang mampu untuk melepaskan hara yang terikat dari abu vulkanik yaitu arang sekam padi. Penelitian ini bertujuan untuk mengidentifikasi respons pertumbuhan dan produksi tanaman bawang merah (Allium ascalonicum L.) terhadap pemberian abu vulkanik Gunung Sinabung dan arang sekam padi. Penelitian dilaksanakan di lahan percobaan Fakultas Pertanian USU mulai bulan Mei ˗ Agustus 2014, menggunakan rancangan acak kelompok faktorial dengan dua faktor yaitu pemberian abu vulkanik (0, 5, 10, 15 ton/ha) dan arang sekam padi (0, 10, 20 ton/ha). Peubah yang diamati adalah jumlah anakan, bobot basah per sampel, bobot basah per plot, bobot kering per sampel, dan bobot kering per plot. Hasil penelitian menunjukkan bahwa pemberian arang sekam padi belum kelihatan mempercepat pelapukan abu vulkanik. Pemberian abu vulkanik dan arang sekam padi berpengaruh tidak nyata terhadap semua peubah amatan, tetapi interaksi keduanya berpengaruh nyata terhadap jumlah anakan pada 3 MST. Kombinasi perlakuan tanpa abu vulkanik dan arang sekam padi 10 ton/ha menghasilkan jumlah anakan per rumpun terbanyak.Kata kunci : abu vulkanik, arang sekam padi, bawang merah

Identifikasi Karakteristik Morfologis dan Hubungan Kekerabatan pada Tanaman Jahe (Zingiber officinale Rosc.) di Desa Dolok Saribu Kabupaten Simalungun Indah Aryanti,; Eva Sartini Bayu; Emmy Harso Kardhinata
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The objective of research was to identify morphological characteristics and phylogenetic relationships of ginger at Simalungun District, Dolok Saribu village of Dolok Pardamea. The research was conducted from July to September 2014 by using descriptive method consists of 15 samples. The result showed that there were two types of ginger : large white ginger and red ginger. The qualitative character were five identical and five different morphological characters and the quantitative character was obtained four narrow and six wide morphological characters. The closest phylogenetic relationships are samples A4 (large white ginger) with A9 (large white ginger) with coefficient of distance value is 2.723, meanwhile the farthest phylogenetic relationships are samples A1 (large white ginger) with A11 (red ginger) with coefficient of distance value is 36.598. The result of dendogram showed at scale 5 was formed 10 groups, scale 10 was formed 5 groups, scale 15 was formed 4 groups, scale 20 was formed 3 groups and scale 25 was formed 2 groups. Group 1 consists of large white ginger and group 2 consists of red ginger. Phylogenetic relationships between ginger plants at Dolok Saribu village of Simalungun District still have a close level relationships.Keywords : Identification, ginger, morphology

Pengaruh Pemberian Asam Humat dan Kompos Tandan Kosong Kelapa Sawit terhadap Pertumbuhan dan Produksi Bawang Sabrang (Eleutherine americana Merr.) Pingkan Welvari Sembiring; Haryati Haryati; Rosita Sipayung
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The using of herbal medicine has increasing rapidly recently. One of the medical plant that has been developing is bawang sabrang. The aim of the research is to find out the proper dosage of humic acid and empty palm bunches compost for cultivated of bawang sabrang. Research was conducted at experimental field Faculty of Agriculture, University of Sumatera Utara, Medan about 25 m above sea level started from June until October 2014, used randomized block design, with two factors which are humic acid at several doses (0 g/plot, 1 g/plot, 2 g/plot, 3 g/plot) and palm empty fruit bunches compost at several doses (0 kg/plot, 0,5 kg/plot, 1 kg/plot dan 1,5 kg/plot) and was repeated three times. Data were analyzed by using ANOVA and continued with Duncan. Parameters were observed is net assimilation rate, relative growth rate, number of tillers, fresh bulb weight and number of bulb. The result showed that the effect of humic acid were increasing the net assimilation rate at fifth week after planting (WAP). The effect of empty palm bunches compost were increased the relative growth at four week and net assimilation rate at fifth week. The interaction between humic acid and empty palm bunches compost were increased the net assimilation rate at fifth week, but the effect of giving humic acid and empty palm bunches compost at number of tillers, fresh bulb weight and number of bulb parameters has not real.Keywords: humic acid, compost of empty palm bunches, Eleutherine americana Merr.

Kandungan Hara Tanah dan Tanaman Karet Menghasilkan Terhadap Pemberian Tandan Kosong Kelapa Sawit (TKKS) dan Jumlah Lubang Biopori Ando Tikkos M Simbolon; Chairani Hanum; Ratna Rosanty Lahay
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

Nutrient conten of the soil and rubber produced by giving empty oil palm fruit bunches and the number of biopori holes. Rubber is a kind of plant which is important and can increase income and social prosperity. This research cond ucted at Silau Dunia garden PTPN III Serdang Bedagai on August – December 2014 by using random missed block design with two factors. The first factor is empty oil palm bunches contained : 0, 1, 2 and 3 kg for each biopori and the second factor is the number of holes consisted : 4, 8 and 12, With three replication. The results of this research showed that interaction application empty fruit bunch and number of biopori increase of N soil, N leaf and Cholorofil number.Keywords: Biopori, palm empty bunches, RubberABSTRA

Pengaruh Konsentrasi Zat Pengatur Tumbuh dan Sumber Bud Chips Terhadap Pertumbuhan Bibit Tebu (Saccharum officinarum) di Pottray Haris Patar; Asil Barus; Irsal Irsal
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

This study was conducted in PTPN II Kebun Tanjung Jati, Binjai on June until August 2014. The design of the experiment was randomized block design arranged in factorial with two factors. The first factor was the concentration Rootone F plant growth regulator with 4 levels of each R0 (0 mg/l), R1 (200 mg/l), R2 (400mg/l) and R3 (600 mg/l). The second factor was source of bud chips that origin from 3 parts of stem C1 (top), C2 (middle) dan C3 (bottom). The Parameter observed includes percentage of bud growth ≥ 5%, percentage of bud growth (%), plant height (cm), number leafs (sheet), diameter of stem (mm), volume of root (ml), fresh weight of crown (g), fresh weight of root (g), dry weight of crown (g) and dry weight of root (g).The result of research showed that Rootone F plant growth regulators influential significantly on percentage of bud growth ≥ 5%, diameter of stem 6-10 weeks after planted, volume of root, fresh weight of root, and dry weight of root. Sourced of bud chips influential significantly on percentage of bud growth ≥ 5%, percentage of bud growth 1 and 2 weeks after planted, plant height 2-10 weeks after planted and diameter of stem 2-8 weeks after planted. Interaction between consentration Rootone F plant growth regulator and source of bud chips haven’t the real influences toward all the parameter were observed.Keywords : Plant growth regulators, source of bud chips, sugarcane

Penentuan Jenis Mineral Liat Alofan Tanah Andisol di Desa Dolat Rakyat Kecamatan Tiga Panah Kabupaten Karo Jupri Simamora; Purba Marpaung; Alida Lubis
Jurnal Agroekoteknologi Vol 3, No 3 (2015)
Publisher : Universitas Sumatera Utara

The aim of the research was to determinate type of Allophane minerals by means of Thermogram and to know type of Allophane minerals with Allophane–Organic Matter relations. The research was done in Dolat Rakyat villages, District of Tiga Panah Karo Regency, In Soil Fertility Laboratory University of North Sumatera, and College of Chemical Industry (PTKI), Medan in June - October 2014. Soil type is Andisol. The result of the research in Dolat Rakyat Village Tiga Panah District, Regency of Karo Thermogram interpretation showed that type of Allophane minerals Andisol that is Allophane B. Allophane-Organic Matter relations showed that type of Allophane minerals is Allophane B with positive relations between Allophane-Humic Acid; negative relations between Allophane-Fulvic Acid, and Allophane-Humic Acid+Fulvic Acid.Key Word : Allophane, Andisol, Organic Matter

Page 2 of 4 | Total Record : 39

1 2 3 4

Filter by Year

2015 2015

Filter By Issues

All Issue Vol 7, No 2,April (2019) Vol 7, No 1,Jan (2019) Vol 6, No 4,Okt (2018) Vol 6, No 3, Juli (2018) Vol 6, No 2, April (2018) Vol 6, No 1, Januari (2018) Vol 5, No 4 (2017) Vol 5, No 3 (2017) Vol 5, No 2 (2017) Vol 5, No 1 (2017) Vol 4, No 4 (2016) Vol 4, No 3 (2016) Vol 4, No 1 (2016) Vol 3, No 4 (2015) Vol 3, No 3 (2015) Vol 3, No 2 (2015) Vol 3, No 1 (2015) Vol 2, No 4 (2014) Vol 2, No 3 (2014) Vol 2, No 2 (2014) Vol 2, No 1 (2013) Vol 1, No 4 (2013) Vol 1, No 3 (2013) Vol 1, No 2 (2013) Vol 1, No 1 (2012) More Issue

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota medan,

Sumatera utara

INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name -

Contact Email -

Phone -

Journal Mail Official -

Editorial Address -

Location Kota medan, Sumatera utara INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota medan,

Sumatera utara

INDONESIA