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Kota bengkulu,
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AGRITROPICA : Journal of Agricultural Sciences
Published by Universitas Bengkulu
ISSN : 2621217X     EISSN : 2621699X     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
AGRITROPICA is an international, double-blind peer-reviewed, open-access journal, published by Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian Universitas Bengkulu (Publishing House of Faculty of Agriculture, University of Bengkulu).
Arjuna Subject : -
Articles 101 Documents
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Response of 25 Hybrid Maize Against Salinity Stress and Their Performance in Coastal Area Meko Gustian; Rustikawati Rustikawati; Widodo Widodo; Catur Herison
AGRITROPICA : Journal of Agricultural Sciences Vol 2, No 2 (2019)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (958.619 KB) | DOI: 10.31186/j.agritropica.2.2.56-70

Abstract

Plant stress due to NaCl compound will have an impact on the reduction of plant growth and yield.  Tolerant varieties are required  to increase plant production in coastal areas since these areas are closely related to salinity.  This study aimed to (1) determine the appropriate NaCl concentration for saline tolerance in maize stress selection, (2) determine the response of maize plant to salinity stress in nutrient culture, and (3) determine the response of new hybrid maize having adaptibility in coastal area.  Two experiments were run from November 2017 until May 2018. The first experiment was conducted in a greenhouse at the Laboratory of Agronomy, Faculty of Agriculture University of Bengkulu  to determine the tolerance response of 25 new hybrid maize to salinity in nutrient culture.  The second experiment was conducted on the coastal areas in Beringin Raya Village, Muarabangkahulu District, Bengkulu City to determine the response of new hybrid maize having adaptibility in a coastal areas.  The concentration of  NaCl at which level the LC50 was determined was found to be in 150 mM. This concentration was then used to test the tolerance of 25 new hybrid maize to NaCl stress.  The hybrids of CT18, CT19, CT22, CT25, CT31, CT33, CT34, CT40, CT47, and  CT50 showed good responses to the concentration treatment  of 150 mM NaCl based on plant fresh weight and shoot dry weight. The hybrids of CT17,CT19, and CT20 showed good adaptibility on coastal area based on the length of cob, diameter of cob, seed weight per cob, and cob weight per plant.  Among those three hybrids, CT17 and CT20 resulted low fresh weight and low shoot dry weight.  The factors other than NaCl in coastal area maybe affect better response. However, CT19 proved as a hybrid which was consistently in a good response to salinity stress both in nutrient culture and in coastal growing area.
Application of biochar from palm oil plants residues on physical properties of Ultisol Irfan Rusdi; abdul Rauf; Supriadi Supriadi; Benny Hidayat
AGRITROPICA : Journal of Agricultural Sciences Vol 2, No 2 (2019)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.469 KB) | DOI: 10.31186/j.agritropica.2.2.93-97

Abstract

Ultisol is one type of soil that has several problems for plant growth. The main problems are poor physical properties such as high bulk density, low soil permeability, and low water retention ability. This research aim was to determine the effects of various application of biochar made of oil palm plants residue on bulk density and soil porosity of Ultisol soil. The research design used a non-factorial completely randomized design, consisting of 5 treatments, namely without biochar application (control), oil palm stem biochar, oil palm frond biochar, oil palm empty fruit bunches biochar and combination of biochar ingredients. Each treatment was repeated 4 times hence the number of experimental units became 20 units. The parameters observed included bulk density and soil porosity. The research results showed that biochar application significantly reduced the bulk density and significantly increased the soil porosity of Ultisol soil.
Chemical Properties and Mineralogical Composition of Soils in Original site at Coal Mining Area Ria Rachel Paranoan
AGRITROPICA : Journal of Agricultural Sciences Vol 2, No 2 (2019)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (41.277 KB) | DOI: 10.31186/j.agritropica.2.2.71-76

Abstract

Soil minerals and  chemical properties play an essential role  in agricultural, especially to know  the  availability of soil nutrient reserve. The objective of the study was to investigate soil chemical properties and mineralogical  composition. of sand fraction in original area. The study was conducted in two stages. The  First stage was in the field and the second stage was in the laboratory. The field study was at Original area PT. Khotai Makmur Insan Abadi, Kutai Kartanegara, East Kalimantan. Soils were sampled from each horizon of the profile. The second stage was in the Laboratory. The chemical analysis was conducted    in  the Soil Laboratory,  Agriculture Faculty,  Mulawarman University.  The Mineralogical composition of fine sand fractions was  conducted in Pusat penelitian tanah Bogor, with line counting method using Microscope Polaritation (MP). The results of chemical characteristics indicated that  low to very low content of organic matter, soil reactions are acid throughout the horizon,  very low to moderate  base satration, low to moderate soil cation exchange capacity, high of Al saturation.  Sand fraction composition was dominated by resistant minerals (quartz and opaque). On the other hand the easily weatherable minerals are not detected in the original area. One of the reason soil has low  CEC is, because the composition of sand fraction in the soil dominated by quartz.
THE CHARACTERISTIC OF ROBUSTA POWDER COFFE IN VARIOUS SIZE TYPES and COFFE WEIGHT ON SACHETS Tri Agustina; Devi Silsia; Lukman Hidayat
AGRITROPICA : Journal of Agricultural Sciences Vol 3, No 2 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | 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.
Production Risk of Groundfish In UD. XY Bengkulu City: Failure Mode and Effects Analysis (FMEA) Julian Rahmadi; M. Mustopa Romdhon; Reswita Reswita
AGRITROPICA : Journal of Agricultural Sciences Vol 3, No 1 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | 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.
Entomopatogen nematode exploration and virulency against Spodoptera frugiperda J.E Smith Winda Septi Hade; Djamilah Djamilah; Priyatiningsih Priyatiningsih
AGRITROPICA : Journal of Agricultural Sciences Vol 3, No 2 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | 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.
Determinant Factors of the Household Poverty Probability: Study on Household around the Taman Nasional Kerinci Sebelat (TNKS) Lebong Regency Gustin Rizki Utariyanto; Ketut Sukiyono; Septri Widiono
AGRITROPICA : Journal of Agricultural Sciences Vol 3, No 1 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | 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.
Segmentation of consumers of honey and identification of honey preference in Kota Bengkulu Selmi Selmi; Irnad Irnad; Sistanto Sistanto
AGRITROPICA : Journal of Agricultural Sciences Vol 3, No 2 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | 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.
Cluster Analysis of Determining the Location of Oil Palm Replanting in Mukomuko District Emlan Fauzi; Linda Harta; Rahmat Oktavia; Sudarmansyah Sudarmansyah; Herlena Bidi Astuti; Jhon Firison; Andi Ishak; Shannora Yuliasari; Yudi Sastro
AGRITROPICA : Journal of Agricultural Sciences Vol 3, No 1 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | 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.
Profitability and Correlation Between Koica Milk Shop and Dairy Farm in Selupu Rejang, Bengkulu, Indonesia Soeng Chat Vichea; Endang Sulistyowati; Pao Srean
AGRITROPICA : Journal of Agricultural Sciences Vol 3, No 2 (2020)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | 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.

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