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JURNAL AGROTEKNOLOGI
Published by Universitas Islam Negeri Sultan Syarif Kasim Riau
ISSN : 20870620)     EISSN : 23564091     DOI : 10.24014/ja
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroteknologi diterbitkan Fakultas Pertanian dan Peternakan Universitas Islam Negeri Sultan Syarif Kasim Riau. Jurnal ini mengakomodir artikel/karya ilmiah meliputi agronomi, tanah, hama dan penyakit, teknologi benih, pemuliaan, teknologi hasil pertanian, agroindustri, dan sosial ekonomi pertanian. Naskah yang dimuat dapat berupa hasil penelitian, telaah/tinjauan literatur, penelitian singkat (short communication) dan gagasan penting dalam bidang pertanian.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 9, No 2 (2019): Februari 2019" : 6 Documents clear
SIFAT KIMIA TANAH AREA PASCA TAMBANG EMAS: (STUDI KASUS PERTAMBANGAN EMAS TANPA IZIN DI KENEGERIAN KARI KECAMATAN KUANTAN TENGAH, KABUPATEN KUANTAN SINGINGI) Ervina Aryanti; Novita Hera
Jurnal Agroteknologi Vol 9, No 2 (2019): Februari 2019
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v9i2.5681

Abstract

Gold mining activities cause damage the soil. This study aims to know soil chemical properties in post gold mining area (natural forest site, Cyperus kinglia site, open sedoment site and tailing site) after seven years. This research has been conducted from July to December 2017 in Kenegerian Kari gold mining area and central plantation laboratory. The research method used was quantitative descriptive with parameter of observation: pH, kation exchange, N, P, K, C-Organic and C/N ratio. The result showed that N, P, Phosphorus K, KTK content in the low and very low category. KTK, N, P, Phosphorus and K are categorized as low and very low. As well, the organic C content is low except in natural forests. While the C / N ratio category is high for all areas.  
PENGGUNAAN ATRAKTAN DAUN TALAS (Colocasia esculenta) DENGAN VARIASI PESTISIDA NABATI TERHADAP POPULASI KEONG MAS Pomacea canaliculata Lamarck (Mollusca : Ampullariidae) PADA PADI DI SUMATERA UTARA Vorly Junesna Nadeak; Ameilia Zuliyanti Siregar
Jurnal Agroteknologi Vol 9, No 2 (2019): Februari 2019
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v9i2.3935

Abstract

Keong mas (Pomacea canaliculata Lamarck) merupakan salah satu hama utama pada tanaman padi yang sampai saat ini belum dapat dikendalikan dengan baik dengan perkembangbiakan sangat cepat. Pengendalian dengan moluskisida kimia meninggalkan residu lingkungan, sehingga dicari alternatif pengendalian yang ramah lingkungan menggunakan kombinasi atraktan. Penelitian ini bertujuan untuk mendapatkan tanaman yang efektif sebagai pestisida nabati yang dapat digunakan untuk mengendalikan keong mas di lapangan. Penelitian ini dilaksanakan pada bulan April sampai Mei 2017 di Susuk VIII, Padang Bulan, Medan Selayang.  Metode yang digunakan adalah rancangan acak lengkap non faktorial dengan 6 perlakuan dan 4 ulangan yaitu (kontrol), serbuk pinang (Areca catechu), serbuk serai (Cymbopogon citrates), serbuk daun sukun (Artocarpus altilis), serbuk mengkudu (Morinda citrifolia), dan serbuk eceng gondok (Eichhornia crassipes). Hasil penelitian menunjukkan serbuk pinang (Areca catechu) paling efektif mengontrol mortalitas keong mas pada hari ke-7 (100%). Perhitungan persentase rumpun padi yang terserang keong mas terendah pada perlakuan serbuk pinang dengan rata-rata  adalah 0,062 pada waktu kematian 2 hari setelah aplikasi. Hasil penelitian menunjukkan kelima serbuk pestisida nabati ini dapat mengendalikan keong mas pada tanaman padi di Sumatera Utara. 
SIFAT KIMIA TANAH DAN PRODUKTIVITAS KELAPA SAWIT (Elaeis guineensis Jacq.) PADA TINGGI MUKA AIR TANAH YANG BERBEDA DI LAHAN GAMBUT Wawan Wawan; Erlida Ariani; Heru Rahmatsyah Lubis
Jurnal Agroteknologi Vol 9, No 2 (2019): Februari 2019
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v9i2.5823

Abstract

The aims of this study to be determine the soil chemical properties and productivity of oil palm (Elaeis guineensis Jacq.) at different water levels on peatlands. The research was carried out in PT. Tabung Haji Indo Plantation (PT. THIP) Indragiri Hilir and the analys of soil chemical properties were conducted at the Laboratory of Soil Science, Faculty of Agriculture, Universitas Riau, Tampan District, Pekanbaru. This research was held started July to October 2017. This research conducted used survey method. The sampling location in this research are divided into 3 strata in 3 difference blocks and 3 samples that had been determined are named: TMA1 = 20- 40 cm, TMA2 = 41-60 cm and TMA3 => 60 cm carried out experimental used completely randomized design (CRD). There are three times repeatation treatments and 27 samples units in total. The observation data that obtained are analyzed statistically using analysis of variance (ANOVA). The results of variance analysis were continued by Duncan's multiple range test at the 5% level. The parameters of observation carried out include soil chemical properties: pH, C-organic, N-total, P-total, K-total, cation exchange capacity (CEC), saturation of bases (KB) and productivity of oil palm. The results showed that peatland with a water level of > 60 cm had soil pH, organic C, N-total, P-total, K-total, and CEC was higher than the water level of 20-40 cm and 41-60 cm, while KB at a depth of 20-40 cm had a higher KB value than the water level of 41-60 cm and > 60 cm.
KEANEKARAGAMAN JENIS GULMA BERDAUN LEBAR PADA PERTANAMAN JAGUNG (Zea mays L.) DI DESA SANGATTA SELATAN KABUPATEN KUTAI TIMUR Rusdi Rusdi; Zainuddin Saleh; Ramlah Ramlah
Jurnal Agroteknologi Vol 9, No 2 (2019): Februari 2019
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v9i2.3558

Abstract

Behind this study is diversity of Broadleaf Weed Species in corn  plantation. The aims of this research to determine the Diversity of Broadleaf Weed Species at corn (Zea mays L.) plantation, at Desa Sangatta Selatan, Kabupaten Kutai Timur.This research used a square method, which is manufacture of plots with a zise 2 x 2 m as much as 9 plots. Weeds found in the plot were identified and subsequently performed the calculation of aech species in each plot. The results showed that founded 11 species in 10 families. The highest dominance value in sequence, that is: Hedyotis corymbosa L. (28,03%), Phyllantus niruri Klein ex Willd. (16.97%), Ageratum conyzoides L. (12.40%). and the lowest are: Hyptis capitata Jacq. (1,59%). Weed diversity is heterogeneous, which means there is no one Broadleaf Weed Species was the dominance value of more than 80%. Further research required regarding diversity grass weed classes and nut grass was founded on corn plantation in a wider scale and the effect on corn production.
ISOLASI DAN UJI POTENSI BAKTERI DIAZOTROF NON SIMBIOTIK ASAL TANAH KEBUN KELAPA SAWIT DENGAN APLIKASI TANDAN KOSONG DAN LIMBAH CAIR PABRIK KELAPA SAWIT Huryatul Islam; Nelvia Nelvia; Delita Zul
Jurnal Agroteknologi Vol 9, No 2 (2019): Februari 2019
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v9i2.4508

Abstract

This study aimed was to isolate non-symbiotic N-fixation bacteria from oil palm plantations fertilized with empty fruit bunch (EFB) and palm oil mill effluent (POME) and to analyze their potency. The soil samples were taken by purposive sampling method from 4 different treatments are mixed application (EFB + POME), EFB application, POME application and without application (C), and each location was taken 3 times. Isolation of non-symbiotic N-fixation bacteria was perfomed by using NFb and Ashby's media. The parameters observed were bacterial cells number, number of isolates and their potency. The cells number of non-symbiotic N fixation bacteria at the application sites Mixed> POME application> EFB application> C. A total of 18 isolates were isolated and potentially as a nitrogen fixing bacteria characterized by the ability of isolates to change the color of the NFb medium from green to blue and form pellicle. The highest potential isolates are NFBC232, NFBK21, and NFBC33.
ANALISIS MUTU KIMIA DAN ORGANOLEPTIK PUPUK ORGANIK TANDAN KOSONG KELAPA SAWIT DENGAN DOSIS EM-4 BERBEDA Ade Maya Mustika; Penti Suryani; Tahrir Aulawi
Jurnal Agroteknologi Vol 9, No 2 (2019): Februari 2019
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v9i2.4548

Abstract

This research was conducted from August to December 2016 at the PEM Laboratory of the Faculty of Agriculture and Animal Sciences State Islamic University of Sultan Syarif Kasim Riau and Central Plantation Service Laboratory. The study aims to 1). Analyzing the chemical and organoleptic qualites of Oil Palm Empty Bunches organic fertilizer with the addition of different EM-4 doses 2). Determine the best quality on the quality of Oil Palm Empty Bunches organic fertilizer. The experimental design was Completely Randomized Design (CRD) and three replications. The treatment were application of (EM4) consist of 0 ml, 5 ml, 10 ml, 15 ml, 20 ml, and 25 ml. Results analysis using ANOVA variance, simple linear regression and validity and reliability analysis. The results showed that the addition of EM-4 resulted in quality in accordance with SNI 19-7030-2004 with the dose of 5 ml, 10 ml, and 15 ml, respectively, but on the measurement of fertilizer pH organic Oil Palm Empty Bunches does not meet SNI: 19-7030-2004.

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