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INDONESIA
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.
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Articles 6 Documents
 1 
Search results for , issue "Vol 10, No 2 (2020): Februari 2020" : 6 Documents clear
KARAKTERISTIK SYMPHYLID PADA TANAMAN NANAS (Ananas comosus (L.) Merr) DI DESA KUALU NENAS KECAMATAN TAMBANG KABUPATEN KAMPAR PROVINSI RIAU Mifyatul Jannah; Desita Salbiah
Jurnal Agroteknologi Vol 10, No 2 (2020): Februari 2020
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v10i2.6351

Abstract

The aims of this research were to find out the type of symphylid that attacks pineapple plants in Kualu Nenas Village. The research was conducted in the pineapple garden of Kualu Nenas Village, Tambang District, Kampar Regency for taking of symphylid and Laboratory of Plant Pest, Faculty of Agriculture, University of Riau for identification of symphylid. The research was conducted from May 2017 to June 2017. Research using survey method. The location of the garden was determined using a purposive sampling method in pineapple gardens in Kualu Nenas Village, Tambang District, Kampar Regency. Determination of pineapple gardens is based on the widest land, which is obtained by three pineapple gardens with an area of 2000 m2, 1000 m2 and 600 m2. In each pineapple garden, several sample points were determined for bait trapping. The symphylid results obtained from identification in the laboratory were analyzed descriptively and presented in the form of tables and shapes of the images. The pineapple in Kualu Nenas availlage Tambang District Kampar Regency Riau Province including the Arthropoda phylum, Symphyla order, Scutigerellidae family, Hanseniella genus. 
ANALISIS FAKTOR-FAKTOR YANG MEMPENGARUHI KEUNTUNGAN USAHA KERIPIK NENAS DI KABUPATEN KAMPAR Riska Dian Oktari; Lestari Rahayu Waluyati; Any Suryantini
Jurnal Agroteknologi Vol 10, No 2 (2020): Februari 2020
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v10i2.7502

Abstract

The purposes of the research to know the factors that affect the profits in the pineapple chips business. The research was conducted in Tambang Sub-district Kampar Regency Riau Province where the location selection for the research was conducted purposively i.e. selecting the location intentionally, while the method of collecting data was using census method. Research method was using multiple linear regression analysis with OLS (Ordinary Least Square) to determine the factors that affect the profit. The results showed that the factors that affected the profit of pineapple chips business were baking soda prices, shrinkage of vacuum frying machine, the frequency of production and yield, while raw material prices, the price of cooking oil and labor costs did not give a significant influence on profits.
POTENSI BAKTERI PELARUT FOSFAT DAN DIAZOTROF DARI RHIZOSFER KELAPA SAWIT TANAH GAMBUT SAPRIK TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT Ida Nur Istina; Happy Widiastuti; Heri Widianto
Jurnal Agroteknologi Vol 10, No 2 (2020): Februari 2020
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v10i2.7670

Abstract

Utilization of biological fertilizer has the potential to reduce inorganic fertilizer application in oil palm cultivation. The aims of this research to obtain the potential of phosphate (P) solubilizing and diazotrophic bacteria from oil palm rhizosphere towards palm oil seedling growth. This research has been done on Sapric peat soil at Pelalawan Regency, Riau Province from June to November 2014, using a factorial randomized block design (3x5 with 3 replications). The first factor were the potential bacteria isolates (Io = without isolates; I1 = Isolate T5.1 + T7. I2 = Isolate T9.1 + T5); the second factor were NPK fertilizer dosage (p1-100%; p2 = 85%; p3 = 70% fertilizer and p4 = 55% recommended fertilizer). The results showed that sapric peat soil was a potential source of P solubilizing bacteria with the ability to solubilized of P up to 329.94 ppm, and diazotrophic bacteria with the ability of N-fixation up to 0.0293 mmol/L/ hr.  Application of 70% N and P fertilizers and i2 isolate provides the best vegetative growth performance of oil palm seedlings and reduces 30% of inorganic fertilizers application.
PENGARUH KOMPOSISI DAN FREKUENSI APLIKASI UREA DENGAN ARANG SEKAM PADI PADA PERTUMBUHAN BIBIT KAKAO (Theobroma cacao L.) Dwi Yulianayan Sari; Yonathan Parapasan; Rijadi Subiantoro
Jurnal Agroteknologi Vol 10, No 2 (2020): Februari 2020
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v10i2.8787

Abstract

Fertilizer can be used as a tool enchane plant growth and soil fertility, because by applying fertilizer it can supply nutrient in the soil so that plant growth is optimal. The type of fertilizer used is organic fertilizer (rice hust charcoal) and anrganic (urea) which acts as an increase in plant growth and devolopment and increase soil fertility. This study aims to obtain the effect of the composition of the application frequency of the mixture of urea and hust charcoal on the growth of cacao seeds, get the best effect of the composition of the urea fertilizer and husk charcoal  on the growth of cacao seedling and get an interaction between the composition of the application frequency  of urea and husk charcoal on the growth cacao seed. This research was carried out in the practice garden of the devolopment of plantation plant cultivation and Lampung State analysis laboratory. The study was conducted from January to May 2019. The study was arranged in a factorial block design (RBD) with 2 factor, the first factor composition fertilizer and second factor application frequency of urea and rice husk charcoal. The research showed there was on effect of the best composition of the mixture of urea dan husk charcoal on the growth of cacao seedling in the (1:2) with application frequency 2 time, and there was an interaction between the composition of the application frequency of urea and husk charcoal on the growth of cacao seedling in all observed variables except for abserving stem diameter, N plant tissue and plant sttover dry weight.
KERAGAMAN GENETIK MUTAN M-2 CABAI MERAH KERITING (Capsicum annuum L.) BERDASARKAN PENANDA RAPD Rosmaina Rosmaina; Dedi Mulyadi; Rita Elfianis; Zulfahmi Zulfahmi
Jurnal Agroteknologi Vol 10, No 2 (2020): Februari 2020
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v10i2.8780

Abstract

Chili is an important horticultural plant in Indonesia. This research aims to carry out RAPD analysis on Mutant M2 of chili pepper (Capsicum annuum L.). Six M2 genotypes of chili irradiated by gamma ray and control plants were amplified by 16 random primers. The amplification results of M2 chili with 16 primers produced 118 loci, with fragment sizes ranging from 150-2000 bp. The number of polymorphic loci was 96 loci and the percentage of polymorphic loci was 83.23%. The DNA fragment polymorphism produced in this research was relatively high and it showed that the gamma ray mutagen applied produced high chili genetic diversity. The value of genetic similarity between control plants and mutant plants ranged from 0.7474 to 0.4874. UPGMA dendogram classified seven genotypes tested into three groups, the first group consisted of mutants R2U6 and R2U17, the second group was mutants R1U14 and R1U17, and the third group was mutants R2U8, mutants R2U2 and control plants. The finding of this research can be used as a basic selection of genetic material for chili’s breeding in the future.
PENGARUH BIOCHAR DAN PUPUK HIJAU Calopogonium mucunoides TERHADAP PERTUMBUHAN DAN HASIL KEDELAI (Glycine max L. Merril) SERTA MAKROFAUNA TANAH DI GAWANGAN TANAMAN KELAPA SAWIT Windy Natasha Putri; Nelvia Nelvia; Idwar Idwar
Jurnal Agroteknologi Vol 10, No 2 (2020): Februari 2020
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ja.v10i2.6829

Abstract

Oil palm plantations in Riau are very extensive and developed on marginal land. The utilization of oil palm plant for soybean cultivation is an alternative to increasing soybean production in Riau, because soybeans are classified as plants that tolerant to shade. The research aimed to study the interaction of biochar and Calopogonium mucunoides green fertilizer on growth and yield of soybeans and diversity of soil macrofauna in inter-rows of oil palm plant. The research was conducted in Pekanbaru, carried out in 7-year-old oil palm plant and soil science laboratory of the Faculty of Agriculture, University of Riau from April-August 2018. The research was done experimentally in a 3x3 factorial form using a completely randomized design (CRD). The first factor is biochar from coconut shell consists of 3 levels (0, 2,5 and 5 ton.ha-1). The second factor is Calopogonium mucunoides green fertilizer consists of 3 levels (0, 2,5 and 5 ton.ha-1). The parameters observed were plant height, pods per plant, percentage of pithy pods, seeds per plant, seed weight per plot, weight of 100 seeds, population density and relative density of soil macrofauna, and diversity index of soil macrofauna. The results showed 2,5 ton.ha-1 biochar followed by 2,5 ton.ha-1 Calopogonium mucunoides green fertilizer increased the number of pods per plant compared to controls. The total individuals and population of soil macrofauna increased at 5 ton.ha-1 biochar followed by 5 ton.ha-1 Calopogonium mucunoides green fertilizer with the family that was often found, namely Scarabaeidae. The diversity index of soil macrofauna is low.

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