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Jurnal BETA (Biosistem dan Teknik Pertanian)
Published by Universitas Udayana
ISSN : -     EISSN : 25023012     DOI : https://doi.org/10.24843/JBETA.2025.v13.i02
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Jurnal BETA (Biosistem dan Teknik Pertanian) memuat hasil penelitian di bidang teknik biosistem (biosystem engineering). Cakupan dari jurnal ini merentang dari aplikasi ilmu keteknikan untuk pertanian. Diantara bidang ilmu tersebut, yang menjadi fokus adalah Bidang Manajemen Keteknikan Pertanian, Teknologi Pascapanen khususnya produk Hortikultura, Rekayasa dan Ergonomika, Konservasi Sumber Daya Alam, serta khusus tentang aplikasi Instrumentasi dan Sistem kontrol dalam bidang pertanian.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "vol 3 no 2 (2015): september" : 5 Documents clear
PENGARUH TEKNIK BLEEDING DAN JENIS MEDIA PENDINGIN TERHADAP MUTU FILLET IKAN KAKAP PUTIH(Lates calcarifer Bloch) I Gede Widi Sedana; I Wayan Widia; Ni Luh Yulianti
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 3 No 2 (2015): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/j.beta.2015.v03.i02.p01

Abstract

The aimed of this research were to determine the effect of bleeding techniques and types of cooling mediumon the fillet’s quality of Barramundi (Lates calcalifer Bloch). Experimental design with two factors, namely bleeding technique factor and cooling medium factor was used on this research. Bleeding techniques consist of four treatments, i.e without bleeding, one wounded, two wounded, and ike-jime. Types of cooling medium factor consists of four treatments, i.e without media, cold water, ice flake, and ice slurry. Observed variables were visual, aroma, texture, temperature, pH, TPC, and TVB. The results showed that bleeding techniques and the types of cooling medium affected the fillet’s quality of Barramundi significantly. The interaction between two wounded bleeding technique and ice slurry cooling media showed the best result with the value of aroma,texture, pH, TVB, and TPC quality indicator was 5.6 (rather fresh), 7.07 (fresh), 7.34 (fresh), 6.42, 4.74 mg N/100 g, 4.30x10^3 colony/g, respectively.
PERTUMBUHAN TANAMAN KRISAN (Crhysantemum) DENGAN BERBAGAI PENAMBAHAN WARNA CAHAYA LAMPU LED SELAMA 30 HARI PADA FASE VEGETATIF I Kadek Wahyu Wiguna; I Made Anom. S. Wijaya; I Made Nada
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 3 No 2 (2015): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/j.beta.2015.v03.i02.p02

Abstract

The objectives of this research were to observe the effect of addition coloured LED light on plant growth of chrysanthemum, and to observe the appropriate color lights that resulted to the best plant growth of chrysanthemum. The experimental design used was Completely Randomized Design (CRD) with one factor. The factor used was LED color lights, consisted of red, yellow, green, blue, and white LED light colors. Data were analyzed using ANOVA, followed by LSD (Least Significance Different) test if the treatment effect was significant. The variables observed that growth variables include: plant height, number of leaf and canopy area. The result showed that addition coloured LED light of positive effect against the growth of chrysanthemum. The addition of coloured LED light increased the plant growth. The red light color gave the best effect against plant growth. It showed by the highest plant height (71.50 cm), the most number of leaf blade (33.00) and the biggest canopy area (478.34 cm2).
ANALISIS NERACA AIR IRIGASI UNTUK TANAMAN PADI PADA SUBAK JAKA SEBAGAI SUBAK NATAK TIYIS I Putu Riadi Handika; Sumiyati Sumiyati; I Made Anom. S. Wijaya
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 3 No 2 (2015): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/j.beta.2015.v03.i02.p03

Abstract

Water source of Subak Natak Tiyis irrigation system comes from the upstream of subak drainage water. Those condition was causing uncertainly irrigation water balance in Subak Natak Tiyis, thus it requires further research to determine appropriate irrigation water balance according to the availabilitiy and requirement of irrigation water in Subak Natak Tiyis. The purposes of this research were to analyze the availabilities and requirement of irrigation water of Subak Jaka as Subak Natak Tiyis and determine the water balance irrigation in the Subak Jaka as Subak Natak Tiyis. The analysis of discharge availabilities was carried out by measuring discharge at inlet Subak Jaka. Irrigation water requirement was analyzed using CROPWAT 8.0 software. irrigation water balance was obtained by comparing the discharge of irrigation water was availabilitis and irrigation water requirement so get irrigation water deficit on Subak Jaka. The analysis of discharge availabilities showed high discharge occur at rainy season that was 115.72 liter/second within a year. The smallest discharge occurs in dry season that was 19.01 liter/second within a year. Irrigation water requirement in MT I and MT II average required discharge ranged from 11.0 to 98.5 liter/second for 15 days. The result of irrigation water balance the Subak Jaka occurrence irrigation water deficit three period that was 35.2 liter/second on period June I that highest for 15 days, 16.8 liter/second on period June II and 30.7 liter/second on January I that highest for 15 days.
STRATEGI PENGEMBANGAN AGROWISATA BERBASIS ANALISIS SWOT DI UNIT USAHA AGRO MANDIRI Suwardhana Adyaksa Anak Agung Putra; I Gusti Ngurah Apriadi Aviantara; I Wayan Widia
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 3 No 2 (2015): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/j.beta.2015.v03.i02.p04

Abstract

The aims of this research was analyze the internal and external conditions to develop and recommend business development strategies on Agro Mandiri. This research was conducted in Agro Mandiri. The method used in this research was survey and in-depth interviews using a questionaire assistance. The data of resulting from survey and interviews were analyzed to obtain the formulation of strategies using Strengths, Weaknesses, Opportunities, Threaths (SWOT) analysis. Assessment weighting and rating done by 5 experts. The results showed that there were 3 strengths, 6 weaknesses, 4 opportunities, and 3 threats. The results of the weighting and rating assessment were 3,65 for Internal Factor Evaluation (IFE) and 3,29 for External Factor Evaluation (EFE). This value indicates a strong position in the matrix Internal External (IE) with the strategy that should be done were intensive and integrative strategies. Based on the SWOT analysis matrix, there were 4 alternative strategies with 7 programs that will be used to agrotourism develop Agro Mandiri.
KAJIAN FREKUENSI DAN LAMA PEMAPARAN MEDAN ELEKTROMAGNETIK PADA FASE GENERATIF TERHADAP PRODUKSI DAN KUALITAS BUNGA KRISAN (Crhysantemum) I Made Wirawan Suputra; I Made Anom. S. Wijaya; I Wayan Tika
Jurnal BETA (Biosistem dan Teknik Pertanian) Vol 3 No 2 (2015): September
Publisher : Program Studi Teknik Pertanian dan Biosistem, Fakultas Teknologi Pertanian, Universitas Udayana, Badung, Bali, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/j.beta.2015.v03.i02.p05

Abstract

The objectives of this research were to (1) determine the production and quality of chrysanthemum on frequency (amount of exposure per day) and duration of electromagnetic field exposure during generative phase, (2) determine frequency and duration of electromagnetic field exposure which produce the best production and quality of chrysanthemum flower. The method of this research was experimental method with two treatments. The first treatment was frequency of electromagnetic field exposure consisted of 1, 2 and 3 times per day and second treatment was electromagnetic field exposure duration consisted of 5, 20, and 35 minutes. Variables which measured for flower production were age of plant that started to blooming, harvest age, amount of flower and amount flower of half blooming, while for quality were diameter of flower, flower color, weight flower, and flower resistance after harvest. Result showed that production and quality of chrysanthemum was low, if electromagnetic field exposure at 3 mT (militesla) with frequency exposure 1, 2 and 3 times per days and duration exposure was 5, 20, and 35 minutes in generative phase. The best treatment contained in frequency 2 time per day and exposure duration 5 minutes gave the best result for production and quality of chrysanthemum flower.

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