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AGRICOLA
Published by Universitas Musamus
ISSN : 20881673     EISSN : 23547731     DOI : -
Core Subject : Health, Agriculture,
Agriculture, Biological Sciences & Forestry Veterinary
Sebagai salah satu jurnal yang terbit dari Ufuk Timur, Jurnal Agricola (p-ISSN : 2088 - 1673., e-ISSN 2354-7731) merupakan jurnal yang diterbitkan berisi karya ilmiah bidang pertanian terpadu meliputi agroteknologi, agribisnis, teknik pertanian, peternakan dan manajemen sumber daya perairan. Agricola terbit 2 kali dalam setahun dan selalu berusaha memberi yang terbaik.
Arjuna Subject : -
Articles 240 Documents
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KEPADATAN DAN KEANEKARAGAMAN JENIS GASTROPODA SAAT MUSIM TIMUR DI EKOSISTEM MANGROVE, PANTAI KEMBAPI, MERAUKE Modesta Ranny Maturbongs; Novel Novie Ruata; Sisca Elviana
AGRICOLA Vol 7 No 2 (2017): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v7i2.641

Abstract

This study aims to determine the density, diversity and dominance types of gastropods in mangrove areas in Kembapi Beach also the associations with physical-chemical waters parameters. The sampling method using a fixed transect lines combined with 1x1 quadrant m². Analysis data using gastropod species density index, Shannon-Wiener diversity index, Margalef species richness index and Simpson dominance index. This research founds that the gastropods consist of two sub-classes, 4 orders, 5 families, 6 genera and 9 species. The highest percentage is Nerita albicilla (19%) and Terebralia palustris (17%). The highest species density obtained from Nerita albacilla 26.6 ind / m2 and the lowest of Nerita lineata of 1.4 ind / m2. Gastropod species diversity index of 2.03. Species richness index value of 0,967. Gastropod species dominance value of 0.14. The second value of this index shows the diversity in the medium category and condition stable community mindless and no species gastropods dominate.
PERTUMBUHAN IKAN KURO (Eleutheronema tetradactylum Shaw, 1804) DI MUARA SUNGAI KUMBE KABUPATEN MERAUKE Anna K. Gebze; Irianis L. Latupeirissa
AGRICOLA Vol 7 No 2 (2017): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v7i2.642

Abstract

Aimed of this research is to know the growth of Kuro (Eleutheronema tetradactylum Shaw, 1804) at Estuarine of Kumbe River, Merauke District. This research was conducted around three months start from June until August 2016. The methodology used in this research are survey and there are several parameters had measured such as measurement of body lenght, body weight and environmental factors of Kuro fish. Number of fish had found through the research is 357 and all of them are male with the body lenght around 234-225 mm and body weight 17 – 243 gr. Growth pattern of Kuro at estaurine of Kumbe River in Merauke District was allometric positive, which means gained of body weight more faster than the body lenght. Condition factors of Kuro are varied along the research and relatively small, it caused by fish were success collected mostly had small size and in growing stage of their life cycle.
PENGARUH TINGKAT KEKERUHAN PERAIRAN TERHADAP KOMPOSISI SPESIES MAKRO ALGAE KAITANNYA DENGAN PROSES UPWELLING PADA PERAIRAN RUTONG-LEAHARI Modesta R. Maturbongs
AGRICOLA Vol 5 No 1 (2015): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v5i1.408

Abstract

This study aims to determine the relationship of turbidity levels of Rutong – Leahari waters with macro algae species composition relation to the upwelling process .This research was conducted at the end of April to August 2011 at the Rutong and Leahari village waters. The method used is the line transect method ( line -transect method) combined with the quadrant method. Data were analyzed using two-way ANOVA analysis, t-test and correlation. The results showedturbiditylevels of Rutong.Leahari waters is very highonthe pre-upwelling conditions, butthe results of the analysiss howedturbidity levelsin the Leahari-Rutong waters is not significantly different between conditionspre-upwelling and upwelling. Instead turbidity level changes between the conditions of pre-upwelling and upwelling influence on the presence of other types of macro algae, as shown by the large number of types of algae found in upwelling conditions than pre-upwelling conditions.
Analisis Kelembagaan Model Agent-Principle Pada Petani Keramba Jaring Apung Di Waduk Cirata Jawa Barat Maria Maghdalena Diana Widiastuti
AGRICOLA Vol 5 No 2 (2015): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v5i2.421

Abstract

Cirata dam, a man made resource, included in the The Common Pool Resources (CPRs). Trend of CPRs are over use and produce externality. The impacts of these externalities are the mass death of fish in pondfish, sedimentation and the most important suistainability of dam. The objective of this study is to analyze appropriate institutional model as the CPRs dam management. Data analysis for institutional arrangement using Dolsak&Ostrom approach. The results showed that management of dam are low enforcement, high demand of dam product, no leading sector for collective action, and there is political interest. Institutional redesign suggests two scenarios: best-case scenario and the status quo. Best-case scenario such as the establishment of authority as the leading sector, which was given full authority, exceeds the administrative boundaries (Trans boundry regime) and supported by adequate human resource. The status quo is a condition that currently exists, but need improvements especially in conduct participatory rules, environmental conditions, arrange the resource user and law enforcement among user, increasing human resources, and holistic management.
PEMANFAATAN SAGU LOKAL SEBAGAI BAHAN BAKU EDIBLE COATING DAN PENGARUHNYA TERHADAP MASA SIMPAN TOMAT Novita Condro; Joice L. Tumiwang
AGRICOLA Vol 6 No 2 (2016): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v6i2.578

Abstract

Edible coating has much developed and used in wide variety of fruits and vegetables to extend shelf life by retard the ripening, prevent enzymatic browning reactions or retention the freshness of flavor and aroma. Edible coating is one way to extend the shelf life of the product due to different permeability of CO2, O2, water evaporation fruit and vegetables coating so as to reduce the rate of metablism and loss of water. The aim of this study was to investigate the use of edible coating from local raw materials namely sago in order to extend the shelf life of tomatoes. Also is a local product that researchers consider it necessary to conduct research on the use edible coating made from sago starch locally for industrial of postharvest and locally farmers. From the results of this study showed that use of  edible coating in tomatoes affect the shel life tomatoes, where tomatoes coated have a shelf life much longer that 10 days compared to non coating which reached 8 days at the same temperature 28 0C and all treatment are likely to experience changes in the quality of physicochemical during storage and affect the shelf life of tomatoes.
KEMAMPUAN TANAMAN KAYU APU (Pistia stratiotes) SEBAGAI MEDIA FITOREMEDIASI AIR BELERANG DENGAN PERLAKUAN AERASI UNTUK KUALITAS AIR PERTANIAN Yosefina Mangera; Mega Ayu Yusuf
AGRICOLA Vol 7 No 1 (2017): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v7i1.585

Abstract

Groundwater wells (sulfuric water) in Merauke is potentially high even in dry season. However, the high element of sulfur (S) in a plant can cause potion even death. The research is to determine the ability of lettuce (Pistia stratiotes) as a media of phytoremediation to decrease sulfur with an aeration treatment to fulfill the agricultural requirement. The treatment methods are closure surface of sulfuric acid with the lettuce. The treatments are namely without a closure, 25% closure, 50% closure, and 100% closure, where each treatment are using an aerator. The study is divided for into two stages. There are the early stage research (acclimatization) and the main research. Analysis of data includes the time and the corelation graph. On acclimatization stage, it was found that the concentration of SO4 was declining at 216 hours. The 50% of closure treatment showed that the lowest concentration of SO4 was at 81 mg /l. All of the treatments showed that the concentrations  of  H2S were declined on 48 hours on the main research.There were caused by the aerator that brings an oxidation process within the aeration. H2S oxidation produces SO4, so that the concentration of SO4 on control and all treatment have increased until the observation in 240 hours. From these results it can be concluded that the Pistia stratiotes is not required as phytoremediation agent in improved the water quality of sulfur. The award of oxygen (aeration) have been effective in reducing the concentration of S in the sulfur water to match the quality of agricultural water.
TOKSISITAS LIMBAH CAIR KELAPA SAWIT TERHADAP IKAN NILA (Oreochromis niloticus Linneus 1758) DAN IKAN BANDENG (Chanos chanos Froskall 1755) Ilham Zulfahmi; Muliari Muliari; Ira Mawaddah
AGRICOLA Vol 7 No 1 (2017): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v7i1.587

Abstract

Toxicity test is useful tools to determine the level of toxicity from a substance or pollutant.  It also used for routine monitoring of a waste water. This study was conducted from August to September 2016 in Laboratory of Aquaculture, University of Almuslim. The aims of this study were to (1) determine the LC50 value of palm oil mill effluent on Tilapia and milkfish, (2) To describe the impact of palm oil mill effluent on tilapia and milkfish behavior. Tilapia used has weight range of 9-10 g and a length of 7-9 cm, meanwhile milkfish used has a weight range of 9-10 g and a length of 11-13 cm. Fish mortality was observed at 12, 24, 48, 72 and 96 hours. Concentrations of palm oil mill effluent used to acute toxicityof tilapia was 4,517 mg/L, 6,801 mg/L, 10,239 mg/L and 15,414 mg/L, meanwhile concentrations of palm oil mill effluent used to Acute toxicity of  milkfish was 6,915 mg/L, 9,563 mg/L, 13,225 mg/L and 18,289 mg/L, respectively. LC50-96 hours of palm oil mill effluent on Tilapia was 15,65 mg/L, whereas for fish milkfish was 14,16 mg/L. Palm oil mill effluent gave negative influence on behavior for both of test fish. The negative effects shown namely slow activity gestures and movements of gill operculum, movement without direction and  an excessive amount of mucus on fish skin surface
HUBUNGAN PANJANG BOBOT DAN FAKTOR KONDISI IKAN BELANAK (Mugil dussumieri) DI MUARA SUNGAI KUMBE KABUPATEN MERAUKE Sunarni Sunarni
AGRICOLA Vol 7 No 2 (2017): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v7i2.639

Abstract

The mullet (Mugil dussumeiri) is one of the fish species in the estuary of the Kumbe River. The fish is used as consumption fish directly and processed into salted fish. The airms of this research is estimated the pattern and condition factors of Mugil dussumeiri in the estuary River Kumbe, Merauke regency. Determination of sampling location using purposive sampling method. The study was conducted from February to July 2016. The result shows that the relation of long weight of male mules W = 0.0001L2,47 and female W = 0,0002L2,43. The growth patterns of male and female Mugil dussumeiri due to allometric positive. The mean condition factor value in male is 1.45 and female is 0.89.
Analisis Mutu Hasil Gabah dan Beras Padi Gogo Aromatik Varietas Inpago Unsoed 1 Siti Hasdiyanti Ramadhani; Ni Luh Sri Suryaningsih; Yosefina Mangera
AGRICOLA Vol 8 No 1 (2018): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v8i1.2098

Abstract

The purpose of the study was to determine the quality of the grainand rice are planted, the ricevarieties Inpago Unsoed 1. The research method use dis data collection, namely primary data andsecondary data. Primary data is used for observed in this research about grain moisturecontent,density of grain, foreign bodies, empty grains, grain crackedor broken, after the percentage ofgrain milled head of rice, broken rice, graing roats, grain limestone, yolk broken and milled rice yield.The results showed that during the observation the quality of grain varieties Inpago Unsoed 1 hasmilled at about 13,33% moisture content, grain density of 0,57g/ml, and grain weight is 27,60g/1000grain. The percentage point for the determination quality of head point is 73,49%, broken grainsabout 13,92%, and 12,34% graing roats. The quality of rice milled varieties inpago Unsoed 1 includelow. The lower of rice quality is due to the low of head rice percentage, while the percentage ofbroken grain sand high graing roats. Rice milled yield about 51,23%
Asosiasi Moluska (Gastropoda dan Bivalvia) Pada Ekosistem Magrove di Muara Sungai Kumbe Martha Welistin Katukdoan; Nova Suryawati Monika; Sunarni Sunarni
AGRICOLA Vol 8 No 1 (2018): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

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

Abstract

This study aims to determine the types of gastropods and bivalves associated with mangrovevegetation. Data analysis convering density, diversity, dominance, uniformity of Gastropods andBivalves with mangrove density at Kumbe estuary of Merauke Regency, which was held for twomonths from August to September 2016. The method used was the line transect method with a plotmeasuring 10x10 meters and for molluscas using 1x1 meter plot. The results showed that themolluscas were found of exhibit association of mangrove vegetation in both stations consisting of 9types of Gastropods and 2 types of Bivalves. Species diversity (H') is highest in Station II (river moutharea) and moderate species diversity in Station I (residential area). Uniformity (E’) shows a stablevalue at both stations. Dominance (D) is included in the low value or no type of Gastropoda andBivalvia that dominates at both stations. There are 9 types of mangroves with the highest density ofmangroves in Station I and the lowest in Station II

Page 10 of 24 | Total Record : 240

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