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AGRITROPICA : Journal of Agricultural Sciences

jagritropica
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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 6 Documents

Search results for , issue "Vol 1, No 1 (2018)" : 6 Documents clear

The Effect of Jajar Legowo Planting System on Ciherang Paddy Varieties Darwati Susilastuti; Aditiameri Aditiameri; Ubuh Buchori
AGRITROPICA : Journal of Agricultural Sciences Vol 1, No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Intensification on paddy is done one of them by setting the spacing. This study aims to examine the effect of spacing system on growth and paddy production. The research was conducted in Bojongmangu Village, Bekasi Regency, West Java Province. The study used an experimental method Randomized Completely Block Design (RCBD) with 1 factor that is planting system, namely tegel system 20 cm x 20 cm, tegel system 25 cm x 25 cm , jajar legowo 2:1 (25x12,5x50 ) cm, jajar legowo 4:1 full (25 x12,5x50 ) cm, jajar legowo 4:1 free space (25 x12,5x50 ) cm, and jajar legowo 6:1 (25x12,5x 50) cm. Each treatment is repeated 3 times. The results showed that jajar legowo planting system 2:1 gives the number of panicles per clump, number of grains per panicle, weight of 1000 grains and the average yield per hectare is highest, followed by jajar legowo 4:1 full planting systemKeywords: Jajar Legowo, Planting System

Agroindustrial Study of Banana Crackers and Salai Based on Income, Value Added and Break Even Point Lukman Hidayat; Hidayat Koto; Odi Andanu
AGRITROPICA : Journal of Agricultural Sciences Vol 1, No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

The aim of this research was to analyze and calculates the income, added-value, and break even point of agroindustry that processing bananas into banana crackers and salai. Methods of data collection in this research were using observation and interviews. Data were analyzed using descriptive analysis, qualitative and quantitative, for the value-added, income, Break Even Point (BEP) and Revenue Cost ratio (R/C). The results shown that the average of value added per kilograms for Salai Rp. 4.371,37, sweet and salted banana crackers are Rp 2.944,00 and Rp 3.627,90. The income of salai, sweet and salted banana crackers per year’s are Rp. 29.566.251,-, Rp. 18.437.067, 96,- and Rp. 20.286.567,-. The average of BEP per month’s for salai is salai Rp. 1.415.636, sweet and salted banana crackers are Rp. 988.966, and Rp.781.352. The Average of BEP, units or packs per month’s for salai is 145 packs, sweet banana crackers were 124 packs and salted were 98 packs. R/C of Salai was 1.66, sweet banana crackers were 1.49 and salted was 1.71. Added-value of banana Salai Rp. 743, 47 more than salted banana crackers, amounted to 1.471,37 compared to sweet banana crackers. Banana salai income greater Rp. 9.279.684 than salted banana crackers, amounting to Rp. 11.129.183 compared to sweet banana crackers.Keywords: Value Added, Income, Banana crackers, Salai, Break Even Point

Influence of Inlet Position on the Amount of Pollutant Particles Trapped Along the Flow Path of Slow Sand Filter (SSF) Pipe Utilized for Filtering Swamp Water Sigit Mujiharjo; Syafnil Syafnil; Ilma Donna Astri Harahap
AGRITROPICA : Journal of Agricultural Sciences Vol 1, No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

This study aims to explain the effect of inlet position of a Slow Sand Filter (SSF) Pipe on the amount of pollutant particles caught along the flow path in the SSF Pipe. The main equipment used is nine pieces of SSF Pipe, each has 4 inches in diameter and 50 cm in length with Pantai Panjang Bengkulu’ssand as the filter medium. The inlet positions tested were 90°, 45° and 0°; repeated three times and arranged in a completely randomized design (CRD). The observed variable is the weight of the captured pollutant in the SSF at the distance of 10cm, 20cm, 30cm, and 40cm from the inlet. Results of the research showed that the number of pollutant particles caught along the flow path in the SSF decreased following a linear model as the distance from the inlet was increased. The number of pollutant particles caught also decreased with the decrease of inlet position slope. The inlet position significantly affected the number of pollutant particles caught along the flow path; the position of 90° causes the highest amount of pollutants to be caught and significantly differs from that of the position of 45° and 0°. The position of 0° causes the least amount of pollutants to be captured that considered to be the best inlet position so far. It is important; however, to research whether inlet position of more than 180° could result in a much smaller amount of pollutant caught along the flow in the SSF Pipe.Keywords: SSFPipe, inlet position, particle caught in SSF, peat water filtration

Poverty Occurrency Probability on Oil Palm Farmer Households Nyayu Neti Arianti; Muhamad Harismanto; Agus Purwoko
AGRITROPICA : Journal of Agricultural Sciences Vol 1, No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

The research was aimed at analyzing poverty level of non-plasma oil palm farmer households and determining factors that influence their poverty occurrence probability. This research was conducted by surveying ninety non-plasma oil palm farmer households in Mukomuko District. The poverty level was quantified method by comparing household income with the World Bank poverty line, i.e. US $ 2/capita/day. Households were categorized into poor if their income is less than US $ 2/capita/day or Rp 26,908.00/capita/day (with an exchange rate of Rp 13,454.00 per US $), vice versa. To determine factors affecting the probability of poverty occurrence, the binary logistic model was applied. The results showed that the average non-plasma farmer household income was Rp 39,484.00/capita/day. With the level of exchange rate applied in this research, it was found that forty percent households were below the poverty line. Land variable negative and significantly affects the probability of poverty occurrence while the family size was positive significant. Other factors including education, age, and the existence of other jobs had an insignificant effect.Keywords: probability, poverty, oil palm, household

Mineralization of Organic Residues, Dynamics of Microbial Biomass and Enzyme Activities in an Aridisol and Alfisol Soil under Rain-Fed Dry Farming Rehmat Ullah; Shehzada Munawar Mehdi; Khalid Saif Ullah Khan; Aftab Ahmed Sheikh; Endang Sulistyowati; Muhammad Saud
AGRITROPICA : Journal of Agricultural Sciences Vol 1, No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

This study was planned with hypothesis to quantify mineralization rate of wheat and groundnut straw spiked in Kahuta and Guliana soil series. Results revealed that groundnut and wheat strawspiked soils had increased quantum of microbial biomass carbon (Cmic), biomass nitrogen (Nmic) and biomass phosphorous (Pmic) and activities of enzyme dehydrogenase (DHA) and alkaline phosphatase (APA) than un-amended soils. Initially, the contents of soil Cmic, Nmic, Pmic, DHA, and APA increased gradually during 2-14th days of incubation (DAI), again increased significantly at 28th DAI and then decreased slowly at 60th DAI in all treatments under both series. Hence, the addition of groundnut straw mineralized better than to other organic sources in both soil series. These results suggested that groundnut straw must be incorporated in soil one month before sowing of crop to enhance crop yield under rain-fed dry farming.Key words: Crop Residues, Microbial Biomass, Soil Enzymes, Aridisol, Alfisols

Soil Water Release Curves : Indicator to Suit Sustainable Cropping Scheme under Sloppy Rain-Fed Climatic Conditions of Pothowar Plateau of Punjab-Pakistan Rehmat Ullah; Shehzada Munawar Mehdi; Khalid Saif Ullah Khan; Aftab Ahmed Sheikh; Sigit Mujiharjo; Muhammad Saud
AGRITROPICA : Journal of Agricultural Sciences Vol 1, No 1 (2018)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

In arid environment, limitations of crop productivity could be improved by soil management practices like soil conservation measures, tillage and reducing slopes through terracing on different cropping patterns. These patterns include area as Wheat-Maize (WMCP) and Wheat-Fodder (WFCP) in Kahuta (high rainfall climatic area), Wheat-Millet-Fallow (WMFCP) and Wheat- Millet-Lentil (WMLCP) in Khairimurat (medium rainfall climatic area) and Wheat-Fallow (WFCP) and Fallow-Groundnut (FGCP) in Pindi Gheb (low rainfall climatic area). In areas that have more crop water requirements the yield of these crops has been affected when the drought prevails. Our results evidenced that more average soil water content (ASWC) was available in high to medium height terraces in WMCP and low to medium in WFCP of Kahuta area. ASWC remained more in high to medium height terraces under all cropping pattern of Khairimurat during September. ASWC remained more in low to medium height terraces under all cropping pattern of Pindi Gheb during September and December. Equidistantly, soil water release curve also indicated that medium rainfall sites had more plant water availability as compared to high and low rainfall sites. Yield relationship to plant water availability revealed significance for intrusion of modified cropping patterns rather than existing cropping patterns on sustained basis. Finally, our study suggests that cropping patterns of high and low rainfall areas should adjusted by growing low water requirement crops in summer seasons to cope the drought period for the sustainability of agriculture under rainfed climatic conditions. Keywords : cropping patterns, Pothowar Plateau, soil water contents, soil water release curve, sloppy lands

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