AGRITROPICA : Journal of Agricultural Sciences

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ISSN / EISSN : 2621-217X / 2621-699X
Total articles ≅ 45
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Soeng Chat Vichea, Endang Sulistyowati, Pao Srean
AGRITROPICA : Journal of Agricultural Sciences, Volume 3; doi:10.31186/j.agritropica.3.2.46-57

Abstract:
The objective of this research was to analyze profitability and correlation between KOICA milk shop and dairy farms in Selupu Rejang, Rejang Lebong, Bengkulu, Indonesia. Data driven were general condition, performance of Milk Shop, performance of dairy farms, and the correlation between KOICA milk shop and dairy farmer are evaluated. The methodology started by census that chosen only KOICA milk shop owner and dairy farmers who pooled the milk to KOICA milk shop. Data collected then tabulated and analyzed using Excel and Regression. The result showed that both KOICA milk shop and dairy all were gained properly benefit from dairy business. For the average, it was about IDR 6,557,057.75 per month equivalent to USD 493 as a profit in KOICA milk shop. The profit was depending on the milk production from dairy farmer only, if they couldn’t milk from dairy cow, KOICA milk shop won’t be able to earn money. The dairy farmers were also got IDR 3,620,311.09 (USD 272) per month as the average profit from milk, compost and calve. There was very high correlation between the milk produced by dairy farmers then processed by Koica Milk Shop and its profit was r : 0.99. The discovering of this research was very valuable information, and also important to whom it may concern in dairy business as well as dairy farmers and Government for applying or understanding to develop new strategies for reducing production costs and to increase the profit by using model of whom successful in dairy business.
Tri Agustina, Devi Silsia, Lukman Hidayat
AGRITROPICA : Journal of Agricultural Sciences, Volume 3; doi:10.31186/j.agritropica.3.2.58-69

Abstract:
This research aims to determine the performance influence of sachets on various sizes of bags and the weight of coffee to the characteristics of the brew of coffee bags. The study uses a completely random design with 2 treatment factors, the first factor of the volume of contents in the bag and the second factor of the packaging bag size. Analyzed With ANOVA dan when the effect is noticeable. It will be followed by using a DMRT at 5%. significant levels. The research at moisture and ash content is suitable for the raw material of coffee bags. Coffee Sari qualified SNI is on the treatment of the volume of 1/4 content and small bag size with a yield of 22.02% coffee juice. The results of the analysis on the missing coffee weight test were obtained the highest value found in the volume of the 1/3 content with a large bag size resulted in 2.73 grams of lost coffee weight. The lowest value is on the 1/2 content volume and the medium size is 0.17 grams. The sensory test was derived that the panelists preferred it to the size of a large bag and the appropriate volume of contents to fill the bag with a volume of 1/3.Keywords: Bag size and coffee weight, Coffee characteristics.
Selmi Selmi, Irnad Irnad, Sistanto Sistanto
AGRITROPICA : Journal of Agricultural Sciences, Volume 3; doi:10.31186/j.agritropica.3.2.88-97

Abstract:
As a country with a vast natural forest, Indonesia has a big potential production of honey. Honey is nutritious food produced by bees that mostly inhabit in the forest. Bengkulu is one of such place produced honey. Honey is considered as healthy supplement by consumer. Therefore, in this research, it has been studied the segmentation of consumers of honey and identification of honey attributes. This research was conducted in June- July 2015. There were 96 responsents gathered from eight (8) outlets selling honey products in Kota Bengkulu. Results showed that the consumers were young adults (67%), women (62%), married (82%), S1 education (56%), Kota Bengkulu domicile (88%) with income range of Rp 2,100,000-5,000,000/month (62%). While the preference testing of honey products based on taste, aroma, and color had the score around 3.5- 3.7. This meant that respondents like the honey product.
Winda Septi Hade, Djamilah Djamilah, Priyatiningsih Priyatiningsih
AGRITROPICA : Journal of Agricultural Sciences, Volume 3; doi:10.31186/j.agritropica.3.2.70-81

Abstract:
Corn (Zea mays L) is a very important food and animal feed after rice. One of the important pests that attack corn plants is Spodoptera frugiperda J.E Smith. This pest is a new pest and is a major pest in corn. In pest control, farmers generally use synthetic chemicals. In an effort to reduce these negative impacts synthetic chemical, entomopathogenic nematode (NEP) was chosen as one of the more environmentally friendly control techniques. This study aims to obtain NEP isolates, population density and virulence against S. frugiperda. This research was conducted at the Plant Protection Laboratory, Bengkulu University from December 2019 to April 2020. This study used a Factorial Completely Randomized Design (CRD) with 4 treatments and 5 replications. The treatments consisted of NEP concentrations : 0 Jl / ml; 200 Jl / 1ml; 400 Jl / 2ml; 600 Jl / 3ml originating from Bengkulu and Kepahiang isolates. Each experiment consisted of 3 S. frugiperda larvae. The results showed that the NEP obtained from each region, namely the genus Steinermatidae. Population density of 9,005 NEP / 5ml in the Kepahiang area and 6,837 NEP / 5ml in the Bengkulu region. NEP virulence test against S. frugiperda larvae showed that 200 Jl / ml concentration was able to control S. frugiperda in maize , and can kill pests within 4 days. With an LC50 value of 163.5 Jl / ml in Kepahiang isolates and 186.5 Jl / ml in Bengkulu isolates.
Mimi Sutrawati, Sempurna Ginting
AGRITROPICA : Journal of Agricultural Sciences, Volume 3; doi:10.31186/j.agritropica.3.2.82-87

Abstract:
Banana is a horticulture crop that has economic value and is widely cultivated in tropical countries. Banana production in Bengkulu province reached 259,748 quintals, then durian (110,387 quintals), tangerines (94,396 quintals) (BPS 2015). Banana bunchy top disease caused by Banana bunchy top virus (BBTV) infection is considered the most crucial virus disease affecting yield losses of a banana plantation in Asia, Africa, and the South Pacific. However, the incidence and molecular characters of BBTV has never been reported in Bengkulu. This research aims to characterize symptom variations, disease incidence, and disease severity of BBTV infection in Bengkulu and virus detection using molecular methods by polymerase chain reaction (PCR). Disease incidence of BBTV was measured based on field symptoms. The disease survey was conducted in Bengkulu city, Bengkulu Utara district, and Rejang Lebong district. The study showed that the incidence of BBTV in Bengkulu City, Bengkulu Utara, and Rejang Lebong ranged from 0% to 100%. The most common symptoms observed in the field involved vein clearing, upturned leaf, chlorotic, and ragged margins, reducing petiole length, distance, lamina width, and stunting. Banana crops that are infected with BBTV in the vegetative phase will not produce fruit. In contrast, viral infection in the generative phase causes the formation of stunted fruit that is not suitable for harvesting. Thus, the potential loss of yield due to stunted disease can reach 100%. This study's results are the first reports of BBTV infection in banana crops in Bengkulu. Disease diagnosis will form the basis of disease control strategies in banana crops.
Emlan Fauzi, Linda Harta, Rahmat Oktavia, Sudarmansyah Sudarmansyah, Herlena Bidi Astuti, Jhon Firison, Andi Ishak, Shannora Yuliasari, Yudi Sastro
AGRITROPICA : Journal of Agricultural Sciences, Volume 3, pp 38-45; doi:10.31186/j.agritropica.3.1.38-45

Abstract:
Based on oil palm yield data in Bengkulu Province, it shows several regions with varying production numbers. For this reason, it is necessary to group the potential oil palm producing areas to find out which areas produce palm oil in large or small quantities. Production shared is usually done based on the name of the oil palm producing district. Therefore, a method is needed to facilitate the grouping of oil palm producing areas. With the clustering approach, the division of regional groups can be carried out based on planted area and production. Analysis K-Means makes it easier to group an area with the largest, medium and low yields of oil palm. From the analysis results, it can be seen that the priority areas for oil palm rejuvenation in Bengkulu Province are Mukomuko District with locations in Air Rami, Pondok Suguh, Teramang Jaya and Penarik Districts.
Gustin Rizki Utariyanto, Ketut Sukiyono, Septri Widiono
AGRITROPICA : Journal of Agricultural Sciences, Volume 3, pp 29-37; doi:10.31186/j.agritropica.3.1.29-37

Abstract:
This research aims to determine the factors that influence the probability of occurrence of poverty of households around Taman Nasional Kerinci Seblat (Kerinci Sebelat National Park (TNKS) Lebong District. The location of this research selected purposively by categorizing the 6 villages into 3 typologies, namely, Sawah dominance, plantation Dominance, and rice fields and plantation. From each village, 20 households as respondents were selected randomly, so the total respondents were 120 households. Sayogjo poverty line was applied to determine household poverty status. In examining the factors that affect the probability of the household poverty, a logit model is applied. From the analysis, land area ownership is the main factor influencing the occurrence probability of poverty of households, while education level, number of family dependents, and household head age are not.
Julian Rahmadi, M. Mustopa Romdhon, Reswita Reswita
AGRITROPICA : Journal of Agricultural Sciences, Volume 3, pp 22-28; doi:10.31186/j.agritropica.3.1.22-28

Abstract:
One of the fish processing units in Bengkulu City is UD.XY, which is located in Sumber Jaya Urban Village, Kampung Melayu Sub-district, Bengkulu City. The seafood processing product is groundfish made of fresh mackerel. Analysis of production risk is an important aspect of ensuring the survival of a business. The production risk was 15% in one production, so the selling price lowered and reprocessing was impossible. The risk comes from the material, production process, and final product. The present study was aimed to analyze the production risk of groundfish. The analysis method was FMEA. The research result showed that the highest risk was poor fish supply, poor groundfish products, and competing groundfish products.
Adwini Prasetya, Siska Apriani, Sigit Mujiharjo
AGRITROPICA : Journal of Agricultural Sciences, Volume 3, pp 13-21; doi:10.31186/j.agritropica.3.1.13-21

Abstract:
Consumers’ preference level, especially on agricultural or food products, can be used as a benchmark measure or determine the market or shelf life of the product. This research aims to determine organoleptic quality through the level of people's preference for RGL citrus fruits coated with edible coating starch from cassava peel plus chitosan. Aplication of coating on the fruits and storage layout of this study was conducted following a completely randomized design (CRD) with 2 different factors; cassava skin starch concentration; namely 3%, 5%, and 7%; and chitosan concentration; i.e. 0%, 0.5%, 1%, 1.5%. The observed variables are the panelists’ preference level with organoleptic test on color, flavor, texture and taste of RGL orange that has been treated and stored at room temperature for 20 days. Research result indicates that the color of the orange that the panelists favored is absent; the level of panelist most prefer is neutral, if the starch is 3% with chitosan 0% (preference score 3.92); and if the starch 7% with chitosan 0.5% (score 3.44). The preferred aroma of orange is absent; the level of panelist highest preference on aroma is neutral, if the starch is 5% with chitosan 1.5% (score 3.12); and if the starch 7% with chitosan 0.5% (score 3.04). The texture of the orange is preferred to be absent; the level of panelist higherst preference on texture is neutral, if the starch is 7% with chitosan 0.5% (score 3.60); and if the starch is 3% with chitosan 0.5% (score 3.56). The taste of citrus fruits is preferred if the starch is 7% with chitosan 0.5% (score 4.00); and if the starch is 3% with chitosan 0% (score 3.44). Therefore, RGL citrus fruits can be stored at room temperature for up to 20 days, if it is coated with 7% cassava peel starch with 0.5% chitosan
Dwi Tia Sukmawati, Irnad Irnad, Bambang Sumantri
AGRITROPICA : Journal of Agricultural Sciences, Volume 3, pp 1-12; doi:10.31186/j.agritropica.3.1.1-12

Abstract:
The present study was aimed to analyze the levels of technical and allocative efficiency of the usage of CPO production factors in PT. Sandabi Indah Lestari. The data being used was primary and secondary data. The data analysis to measure technical efficiency was Cobb-Douglas frontier production function and production elasticity value, while allocative efficiency was analyzed using NPMxi to Hxi ratio. The research result showed that fresh fruit bunch (TBS), indirect labor (TKTDL), and fiber (FB) had significant positive effect on CPO production in PT. Sandabi Indah Lestari, while direct labor (TKL), solar fuel (SR), CaCO3, and Nalco N 8507 (N8507) didn’t have significant positive or negative effect on CPO production in PT. Sandabi Indah Lestari. Fresh fruit bunch (TBS), indirect labor (TKTDL), and fiber (FB) were technically efficient (01).
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