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Universitas Negeri Makassar Jl. AP Pettarani Makassar Sul-Sel Telpon: 869834-869854-860468; 081328540086; Fax: 0411-868794-868879
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INDONESIA
Indonesian Journal of Fundamental Sciences
Published by Universitas Negeri Makassar
ISSN : 2621671X     EISSN : 26216728     DOI : 10.26858/ijfs
Core Subject : Health, Science, Social, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Electrical & Electronics Engineering Energy Engineering Environmental Science Immunology & microbiology Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Physics
Scopes of the journal consist of: 1. Mathematics, 2. Physics, 3. Chemistry, 4. Biology, 5. Statistics, and 6. Engineering.
Arjuna Subject : Umum - Umum
Articles 7 Documents
 1 
Search results for , issue "Vol 4, No 1 (2018)" : 7 Documents clear
PARASITOID AGRIBUSINESS COOPERATION (PAC); OPTIMIZING PARASITOIDS THROUGH MASS PRODUCTION AND INSTITUTIONAL MANAGEMENT AGAINST RICE STEM BORER ATTACK AS A HOLISTIC EFFORTIMPROVING FARMERS' WELFARE Fariz Kustiawan Alfarisy; Hari Purnomo; Suharto Suharto
Indonesian Journal of Fundamental Sciences Vol 4, No 1 (2018)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (588.945 KB) | DOI: 10.26858/ijfs.v4i1.6010

Abstract

 The purpose of this study is to determine the potential of parasitoids through mass production and management of farm institutions to improve the welfare of farmers. The results showed the total number of parasitoids found 385 of the four locations. The found parasitoids consist of Trichogramma spp and Telenomus spp. Parasitoid populations were found to potentially parasitize stemborer eggs as a control effort. The highest level of parasitation lies in Mumbulsari sub-district at 65%. The highest abundance lies in Mumbulsari sub-district with 10.7 heads. This indicates the abundance of parasitoids at these locations is abundant. The success of mass production techniques also requires the management of peasant institutions.
HUBUNGAN SENSORI INTEGRASI PADA PERMEN KARET UNTUK MENINGKATKAN DAYA INGAT Edelliawan Ardityo; Umi Kalsum
Indonesian Journal of Fundamental Sciences Vol 4, No 1 (2018)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (297.493 KB) | DOI: 10.26858/ijfs.v4i1.6015

Abstract

This study aims to know the effect of chewing gum with the concept of sensory integration received by taste. receptors on the tongue to improve memory and concentration. The study was conducted by comparing students who chewed gum and did not chew gum, and then they were given tests in the form of visual tests and auditory tests. From the visual tests found an increase of 11.8% and auditory tests by 0.01% in students who chew gum. The conclusion of this research is that chewing gum activity can improve short memory, alertness and concentration. But it must be known also that chewing gum is not free from the bad effects
THE INFLUENCE OF MARKETING VOLUME AND MARKETING CHANNEL ON FRESH TIGER SHRIMP MARKETING MARGIN Abd Rahim; Diah Retno Dwi Hastuti; Septaty Rahayu Ningsih
Indonesian Journal of Fundamental Sciences Vol 4, No 1 (2018)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.733 KB) | DOI: 10.26858/ijfs.v4i1.6011

Abstract

This study aims to analyze the influence of marketing volume and marketing channel to marketing margin of tiger shrimp. This study uses data based on the time dimension, ie cross-section that comes from primary data, then the method of analysis used multiple regression with exponential function model. The result of this research found that marketing volume have positive effect and marketing channel I have negative effect to tiger shrimp marketing margin, while marketing channel II has no effect to marketing margin of tiger shrimp.
INSTRUMEN TES POTENSI AKADEMIK VISUALISASI SPASIAL/LOGIKA GAMBAR MODEL TIMBUL SEBAGAI INOVASI TEPAT GUNA UNTUK DIFABEL NETRA Arditya Galih Fathurrohmah; Devi Ratnasari
Indonesian Journal of Fundamental Sciences Vol 4, No 1 (2018)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (363.414 KB) | DOI: 10.26858/ijfs.v4i1.6016

Abstract

is to validate the quality of the new instrument for a blind candidate college student. The result of our research is a potential academic test instrument for geometry logical test which is printed by an emboss technic. This instrument arises to effectively improve the ability to understand the meaning of the problem by students with disabilities. This is evidenced by the percentage of right answer to the 100% disabled when performing the matter in a way that is palpably independent, with minimal companion intervention.
UJI APLIKASI BERBAGAI TINGKAT DOSIS PUPUK ZA TERHADAP PRODUKTIVITAS DAN MUTU JAGUNG Fahdiana Tabri; M. Aqil; Roy Efendi
Indonesian Journal of Fundamental Sciences Vol 4, No 1 (2018)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (520.393 KB) | DOI: 10.26858/ijfs.v4i1.6012

Abstract

This  study aims to see the effect of optimal dosage of ZA fertilizer on maize productivity and quality. The results showed that the treatment without urea, in the treatment of NPK 300 / kg + ZA 100 kg / ha fertilizer dosage will decrease the yield from 10.8 tons / ha to 9.1 tons / ha, and BC Ratio 2.34 to 2, 08. Further treatment without urea (NPK + Urea) has the highest production of NPK fertilizer 300 kg / ha + ZA 200 kg / ha with profit rate Rp. 20.435.000, - and B-C Ratio 2.21. Furthermore the addition of ZA fertilizer doses will actually reduce the production and B-C Ratio
RANCANG BANGUN SISTEM PENGENDALIAN LAJU PRODUKSI BROWN’S GAS BERBASIS MIKROKONTROLLER ATMEGA8535 Siti Sofiya; Ya' Umar
Indonesian Journal of Fundamental Sciences Vol 4, No 1 (2018)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (434.907 KB) | DOI: 10.26858/ijfs.v4i1.6017

Abstract

This system was developed by controlling the production flowrate of brown gas by regulating the voltage that will enter the electrolysis process, so that the flowrate of HHO gas produced in accordance with the gas rotation on the motorcycle. This research uses ATmega8535 microcontroller as a controller and potentiometer 10K which has been connected with motor rotation / speed of motorcycle that serves to move the set point that has been programmed with microcontroller. The result of this research got control response through several set point. Set point 0.2 liter / min; 0.35 liters / min; 0.45 liters / min; 0.55 liters / min; 0.7 liters / min obtained each settling time of 100s, 280s, 300s, 260s, 300s and steady state errors each set point of 5%, 2.8%, 3.3%, 2.3% 4.8%
EFEK PENAMBAHAN KITOSAN TERHADAP KARAKTERISTIK FISIKA KIMIA BIOPLASTIK PATI BATANG KELAPA SAWIT Muhammad Nur Alam; Taqwin Halid; Ilmiati Illing
Indonesian Journal of Fundamental Sciences Vol 4, No 1 (2018)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (394.176 KB) | DOI: 10.26858/ijfs.v4i1.6013

Abstract

A research has been conducted to investigate the effect of chitosan addition on water uptake and biodegradation properties of bioplastics. Bioplastic was synthesized from starch of palm stem using direct mixing method with chitosan addition at concentration of 2%, 4%, 6%. The average water uptake of 22.46 % with the lowest water uptake was found to be 14.6 % by the addition of 6% chitosan. The highest biodegradation was found to be 76.8 % by the addition of 4 % chitosan within 15 days of burial in soil. In general, the greater the concentration of chitosan leads to greater bioplastic biodegradation rate.

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