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All Journal JURNAL AGROTEKNOLOGI Jurnal Penelitian Pendidikan IPA (JPPIPA)
Oksana Oksana
Department Of Agrotechnology, Faculty Of Agriculture And Animal Sciences, Universitas Islam Negeri Sultan Syarif Kasim Riau, Pekanbaru,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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PERUBAHAN SIFAT KIMIA TANDAN KOSONG KELAPA SAWIT YANG DIFERMENTASI DENGAN EM4 PADA DOSIS DAN LAMA PEMERAMAN YANG BERBEDA ABDUL RAHMAN TOIBY; ELFI RAHMADANI; Oksana Oksana
Jurnal Agroteknologi Vol 6, No 1 (2015): Agustus 2015
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v6i1.1370

Abstract

This study was conducted from March to September 2013 at the Islamic State University of Syarif Kasim Sultan Riau and analysis of the chemical properties of compost made in BPTP Riau. This study aims to determine the dose and the duration of fermentation EM4 right to obtain compost oil palm empty fruit bunches with the best chemical properties. Oil palm empty fruit bunches are used are taken from PTPN V Lubuk Dalam and mixed with manure from cattle feces with ratio of 4:1. The method used was descriptive quantitative method consisting of 12 combinations of treatment and 1 control. The parameters measured were the content of N, P, K, C-Organic and pH. The results of this study indicated that EM4 and long curing compost may improve the chemical properties of oil palm empty fruit bunches, which the administration of 20 mL / L EM4 and curing 10 weeks old that A3B4 sample produces the best chemical properties. The content of N, P, K, and pH of the sample A3B4 respectively: 6,79%, 3,04%, 8,08%, and 9,93 %.
ANALISIS SIFAT KIMIA TANAH GAMBUT YANG DIKONVERSI MENJADI PERKEBUNAN KELAPA SAWIT DI KABUPATEN KAMPAR Tri Cahyo Nugroho; Oksana Oksana; Ervina Aryanti
Jurnal Agroteknologi Vol 4, No 1 (2013): Agustus 2013
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v4i1.60

Abstract

The research was conducted on February to agustus 2013 in the Tambang and Tapung Districk, Kampar Regency, Riau Province. The purpose of this research was to observe changes of soil chemical properties from secondary peat forests wich was converted to oil palm plantations at 6th and 26th years. This study is conducture by observation and survey at 50 cm and 100 cm of depth. Chemical analysis of the soil included pH, total-N, P-bray, C-organic, Cation Exchange Capacity (CEC), and Basa Cations (K, Ca, Mg and Na). Results of the analysis showed converted of peat land to oil palm plantation cause an increase in pH (1.19%), reduction in C-organic (17.94%), N-total (62.54%), Mg-dd (62.54%) and Na-dd (0.13%). Increase occurred oil palm at 6th years for CEC by (11.87%), P-bray (3.35%), K-dd (0.05%) and Ca-dd (13.89%). Decline occurred oil palm at 26th years for the by CEC by (3.35%), P-bray (10.91%), K-dd (0.09%) and Ca-dd (63.2%).
PERANAN BERBAGAI MACAM MEDIA TUMBUH BAGI PERTUMBUHAN STEK DAUN JERUK J.C (Japanche citroen) DENGAN BEBERAPA KONSENTRASI BAP Oksana Oksana; Elfi Rahmadani; Syamsul Syamsul
Jurnal Agroteknologi Vol 2, No 2 (2012): Februari 2012
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v2i2.122

Abstract

This study was conducted from July to October 2011 in the green house of Genetics and Breeding Laboratory Faculty of Agriculture and Animal Science of State Islamic University Sultan Syarif Kasim Riau. The research objective was to observe growth in cuttings up to the growth of buds on each of the growing medium with various concentrations of BAP. This research used randomized complek block design (RCBD) Factorial: the first factor two different growing media (sand and soil) while the second factor was four level BAP concentrations (0, 200, 300, 400 ppm) with three replication. Variables analyzed were the survival percentage, the percentage of shoots growth, while emerging shoots, shoot length, number of leaf and number of roots. Data were analyzed by analysis of variance. The results showed that different of growing media significantly influenced the survival percentage and number of root cuttings JC media lime leaves that soil media more than sand, but BAP concentration and interaction between the growing medium and BAP concentration did not affect significantly the survival percentage and number of roots.
PENGARUH ALIH FUNGSI LAHAN HUTAN MENJADI PERKEBUNAN KELAPA SAWIT TERHADAPSIFAT KIMIA TANAH Oksana Oksana; Mokhamad Irfan; Uiyal Huda
Jurnal Agroteknologi Vol 3, No 1 (2012): Agustus 2012
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v3i1.92

Abstract

This study was conducted from July to December 2011 in the Tanjung Pauh village, Sub district of Singingi Hilir, District Kuantan Singingi. The purpose of this research was to observe the impact of the conversion of forest land into oil palm plantation at various planting year on soil chemical properties, including; C-organic, N total, pH, and cat ion exchange capacity. The method used is the method Observe with correlation and regression to determine the effect of conversion of forest land into oil palm plantations. Sampling of land consists of forest, plant oil palm plantation ages various planting year 2, 8, and 16 years. The parameters analyzed were pH, C-organic, cat ion exchange capacity, nitrogen total. Results showed that conversion of forest land into oil palm plantations shows the changes in soil chemical properties including, pH, C-organic, cat ion exchange capacity, total N and organic matter. Over the conversion of forest soil led to increased soil pH, which is forest land (4.49), oil palm age of 2 years (4.52), oil palm age of 8 years (4.76) and age 16 years (5.02). The results of this study indicate oil palm plantations to oil palm trees aged 16 years, still not able to match the conversion of forests in maintaining c-organic. On forest land have C-organic content of 1.87%, and at the age of 2 years of planting 1.05%, the lowest C-organic contained in the oil palm plantation age of 8 years (1.05%), and increased at the age of 16 years (1:42%). Cat ion exchange capacity in forest land 12.72%, changed to 12.76% at the age of 2 years of planting, growing 13.15% at the age of 8 years and 9.61% at the age of 16 years of planting. Nitrogen total content of the forest land is changed to 0.0285% 0.0427 at the age of 2 years of planting, cropping 0.0425 at the age of 8 years and 0.0283 at the age of 16 years of planting.
In Vitro Effectiveness Test of Sagoo Cortex Liquid Smoke to Inhibit the Growth of Ganoderma orbiforme (Fr.) Ryvarden M Yusmar; Antama Surwadinata; Irwan Tasla; Oksana Oksana; Syukria Ikhsan Zam
Jurnal Penelitian Pendidikan IPA Vol 8 No SpecialIssue (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8iSpecialIssue.2480

Abstract

Ganoderma orbiforme is a pathogenic fungus that cause basal stem rot especially in oil palm, so it needs to be controlled. One of the alternative controls used is liquid smoke. This research aims to examine several concentrations of sagoo cortex liquid smoke to inhibit the growth of G. orbiforme in vitro. This research was conducted in October untill Desember 2021 at the Pathology, Entomology, Microbiology and Soil Science Laboratory, Faculty of Agriculture and Animal Science, Islamic State University Sultan Syarif Kasim Riau. Research was test of 6 concentrations of sagoo cortex liquid smoke (0, 1, 2, 3, 4, and 5%) with 4 replications. Liquid smoke had a total phenol ± 7.44%. Sagoo cortex liquid smoke with 1% concentration has already very effective to inhibit in the macroscopic, microscopic, growth rate, wet mass and dry mass
Co-Authors ABDUL RAHMAN TOIBY Annisa Ramadhani Fianiray Antama Surwadinata Elfi Rahmadani dan Penti Suryani Ervina Aryanti Irwan Tasla M Yusmar Mokhamad Irfan Mokhamad Irfan Syamsul Syamsul Syukria Ikhsan Zam Tri Cahyo Nugroho Uiyal Huda