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Meldi T.M. Sinolungan
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INDONESIA
COCOS
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 27150070     DOI : 10.35791
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal ini memuat materi yang berkaitan dengan Pertanian. Menyangkut Tanah, Budidaya Pertanian, Proteksi Tanaman, Teknologi Pertanian dan Sosial Ekonomi Pertanian
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 831 Documents
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ASOSIASI SPESIES POLINATOR PADA FICUS spp. DI TAMAN WISATA ALAM BATUPUTIH Elisabet A. Soares; Hard N. Pollo; Reynold P. Kainde
COCOS Vol. 13 No. 4 (2021): EDISI OKTOBER-DESEMBER 2021
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v5i5.35472

Abstract

AbstractFicus is a genus of plants that require external assistance in order to pollinate.Pollination infruit is Ficus highly dependent on various pollinator insects. Thispollinator insect will help the pollination process in Ficus. The purpose of this studywas to determine the pollinator species associated with four species Ficus in theBatuputih Nature Park. This study used a method by tracing the Batuputih Nature Parkarea to collect data on four species Ficus. The results showed that there were 8pollinator species associated with four species Ficus , consisting of 66 pollinators fromthe family Agaonidae, ordo Hymenoptera. Pollination in four species is Ficus not onlycarried out by one pollinator insect species per Ficus but by two or even three pollinatorinsect species and one pollinator species can pollinate more than one species Ficus.2Frequency distribution analysis shows the number of pollinator frequencies foundin four species Ficus. The results of the diversity index analysis showed that thediversity of pollinators in the four species was Ficus low. The regression analysisshowed a very low addition for each increase in one unit diameter, while the results ofthe correlation analysis showed that the diameter of syconia and the number ofpollinator insects were not correlated.Keywords: Association of pollinator species, Ficus spp., Batuputih Nature Park.
PERSEPSI DAN SIKAP MASYARAKAT TERHADAP KONSERVASI HUTAN MANTOBE DI DESA SONDAKEN, MINAHASA SELATAN Opriani Devi Tangilomban; Wawan Nurmawan; Lyndon R. J, Pangemanan
COCOS Vol. 13 No. 4 (2021): EDISI OKTOBER-DESEMBER 2021
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v5i5.35503

Abstract

Abstract Mangrove forest is generally a coastal vegetation community tropical climate, which is dominated by several types of trees that are able to grow and thrive in muddy coastal tidal areas and for coastal communities. The purpose of this study was to examine the level of community perception and attitude towards mangrove forest conservation in Sondaken Village, Tatapaan District, South Minahasa Regency. The method used in this study using interviews and observation. The results showed that the community's perception of mangrove forest conservation in Sondaken Village was quite good to very very good, while the attitude was not good to very good. Keywords: Mangrove forest, community perception and attitude, Sondaken Village Desa
KEANEKARAGAMAN JENIS BURUNG PADA BEBERAPA PROFIL HABITAT DI HUTAN LINDUNG GUNUNG MAHAWU, MASARANG DAN TAMPUSU Asran A. Tharo; Hard N. Pollo; Johny S. Tasirin
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35504

Abstract

ABSTRACT Birds that are not able to adapt to changes in land from forest to non-forest will look for a place of removal to become a new area of life. The use of space in the forest profile, both vertically and horizontally in various habitat types, shows a close relationship between birds and their habitat, especially in terms of adaptation patterns. The vertical distribution of bird species can be seen from the spatial stratification of the forest profil.The purpose of this study was to determine the diversity of bird species in several habitat profiles in the Protected Forest of Mount Mahawu, Masarang dan Tampusu. The Methods used in this study were the IPA-Count Method ( Index point of abudance) and the rapid assessment method. The results showed that there were 3 habitat profiles in the Mount Mahawu Protected Forest as many as 31 bird species with the Shannon-wiener Diversity Index of 2.27. There are 3 habitat profiles in the Mount Masarang Protection Forest as many as 34 bird species with the Shannon-wiener Diversity index of 2.15. There are 3 habitat profiles in the Mount Tampusu Protection Forest as many as 27 bird species with a Shannon wiener Diversity index of 2.31. The total habitat profile is 4 profiles, 43 species, 34 genera, 23 families with the shannon-wiener Diversity index of 6.73. Keywords : Birds, Diversity of bird species, Protected Forest of Mt. Mahawu, Masarang and Tampusu
TOLERANSI JULANG SULAWESI (Rhyticeros cassidix) TERHADAP GANGGUAN HABITAT DI HUTAN PRODUKSI TERBATAS SUNGAI ANDAGILE - SUNGAI GAMBUTA - SUNGAI ILANGA BOLAANG MONGONDOW UTARA Sudarmanto Angona; Martina A. Langi; Hard N. Pollo
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35505

Abstract

Abstract The research to measure the tolerance level of the Knobbed Hombil to the magnitude of habitat disturbance and the determinants of tree habitat used in the Limited Production Forest of Andagile River - Gambuta River - Ilanga River in North Bolaang Mongondow Regency. Based on the existing habitat disturbance, the Knobbed Hombil in the Andagile River Limited Production Forest - Gambuta River - Ilanga River, North Bolaang Mongondow has a tolerance level in habitats that have 5 to 3 remaining Forest Stratification and found in the Forest Stratification A (> 30 m), the Forest Stratification B (20 - 30 m), and Forest Stratification C (4 - 20 m). The place altitude above the sea level, the physiography, the slope, are suitable habitat conditions for the Knobbed Hombil and also along the trees that are used together with other animals; While it comes with a tolerated noise level by Knobbed Hombil. Key words: Knobbed Hombil Tolerance (Rhyticeros cassidix), Habitat disturbance, Limited Production Forest, North Bolaang Mongondow
UJI TEKNIS ALAT PEMBUATAN MINYAK DAUN CENGKEH UNTUK INDUSTRI KECIL Fidel C. A. Tendeng; Ireine A. Longdong; Dedie Tooy
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35576

Abstract

ABSTRACTClove oil is one type of essential oil that can be obtained from the clove plant. Clove oil can be taken fromclove flowers or leaves. The oil content in clove flowers ranges from 17-18% while in the leaves is around 2-3%.Several equipments have been made to produce clove leaf oil, therefore in this study a technical test was carriedout for making clove leaf oil. The purpose of this research is to study the process of making clove leaf essential oilusing a distillation equipment in a bengkol production house, to vary the volume of kettle water and its effect onthe preheating time to the first drop of condensate, the duration of distillation, the temperature in the distillationprocess and the volume of clove oil resulting from. It is hoped that information on how to use and the right volumeof water will be produced in the clove leaf oil making equipments and how it affects the yield of clove oil producedcan be obtained. This study used an experimental method with three (3) treatments of different volumes of water ina kettle, PA: Water 10 liter , PB: Water 12.5 liter, and PC: Water 15 liter with two (2) times replicates for eachtreatment. The observation data on the effect of water in the boiler, the oil produced, the temperature in thedistillation process and the yield are presented in the form of figures and tables. The results showed that the higherthe volume of boiler water, the preheating time until the first drop of condensate increased. The volume of 10 literboiler water takes 60 minutes, while the boiler water volume of 12.5 and 15 liters takes 70 and 85 minutes. Thevolume of essential oil produced is increasing, the volume of kettle water is 10 liters, and the essential oil producedis 3 ml, while at the volume of 12.5 liter boiler water as much as 5 ml and 15 liters of water produces 7 ml ofessential oil. The highest yield is found in the volume of 15 liter boiler water, which is 0.558%, and the volume of12.5 liter boiler water produces a yield of 0.366% and the lowest yield is found in the volume of 10 liter boilerwater with a yield of 0.217%.Keywords: essential oil, clove, small industry, technical test
ANALISIS AKTIVITAS ANTIOKSIDAN DENGAN METODE DPPH SERTA TINGKAT PENERIMAAN KOPI ARABIKA KOYA Asrul D. Irwinsyah; Jan R. Assa; Yoakhim Y.E Oessoe
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35653

Abstract

ABSTRACT Coffee is a commodity in the world that is cultivated by more than 50 countries and Indonesia ranks 4th in the world as the largest coffee producing country. Two coffee varieties that are generally known are Robusta and Arabica varieties. Coffee processing is very important in determining the quality and taste of coffee. The purpose of this study is to obtain antioxidant activity and likeness levels of Arabica coffee in Koya Village, North Sulawesi Province. The method used is descriptive method with the treatment of variations in temperature and roasting time. The results of the analysis for antioxidant activity ranged from 36.01 - 47.66% inhibition obtained with IC50 values between 41.44 - 93.37 μg / ml. antioxidant properties with a very strong category in treatment B (temperature 180 ℃ with a roasting time of 30 minutes) and in treatment C (temperature 220 ℃ with a roasting time of 22 minutes). Testing the preferred level of Arabica coffee drinks which include the most preferred color, aroma and taste parameters in treatment C. Keywords: Arabica, temperature, roasting time
KEHILANGAN HASIL PEMANENAN JAGUNG MENGGUNAKAN ALAT COMBINE HARVESTER MAXXI CORN TIPE-G DI DESA LOPANA KECAMATAN AMURANG TIMUR KABUPATEN MINAHASA SELATAN Juanly J. Mamahit; Frans Wenur; Lady C. Ch. E. Lengkey
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35691

Abstract

AbstractThe objective of this study is to determine the harvest loss in corn using the CombineHarvester Maxxi Corn Type-G. This research was conducted in Lopana Village, East AmurangDistrict, South Minahasa Regency, North Sulawesi Province in January-July 2021. Harvestingwas conducted with the Combine Harvester Maxxi Corn Type-G on corn plants of the Pertiwivariety that were ready to harvest. This study used experimental methods. Data collection wasdone by observing directly on the corn harvested with the machine. The experiment conducted 3repetitions. The results of this study showed that the loss of spilled corn during harvestingamounted to 0.046% ±0.004%. Unharvested losses amounted to 0.363% ±0.054%. Losses due tolagging on the machine amounted to 0.965% ±0.124%. The total yield loss during the harvestingprocess using the Combine Harvester Maxxi Corn Type-G is 1.374% ±0.101%.Key words: losses, combine harvester, corn
UJI KINERJA ALAT PANEN JAGUNG COMBINE HARVESTER MAXXI CORN TIPE-G DI DESA LOPANA KECAMATAN AMURANG TIMUR KABUPATEN MINAHASA SELATAN Rodrigo J. Mokalu; Lady C. Ch. E. Lengkey; Frans Wenur
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35692

Abstract

AbstractThe purpose of this study was to describe the Describing the condition and performance of thetool during harvesting using Combine Harvester and calculate capacity and field efficiency usingCombine Harvester. The results showed that the average condition and performance of the toolwith an average operating speed of 0.38 m/sec. The capacity of the results of the mapis 107.6 kgand for the total yield of 732.9 kg / ha. On average in this study the theoretical field capacity was0.277 ha/h, the effective field capacity was 0.147 ha/h and the field efficiency was 52.7%.Key words: corn, combine harvester, field capacity, the field efficiency
IDENTIFIKASI TEKNIK KONSERVASI TANAH DAN AIR DI KAWASAN PERSAWAHAN UNTUK MENUNJANG PENGEMBANGAN AGROWISATA KABUPATEN MINAHASA TENGGARA Jubert Prima; Ir. David P. Rumambi, MS; Ir. Yani E. B. Kamagi
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35693

Abstract

ABSTRACTThis research aimed to: (1) identify soil and water conservation techniques used by farmers/farmer groups in therice fields of Mbhuk, Wowol, and Kinawakan; (2) identify the difficulties faced by farmers/farmer groups in adopting andapplying soil and water conservation techniques in the rice fields of Mbhuk, Wowol, and Kinawakan; and (3) assess thepotential objects and attractiveness of the rice fields of Mbhuk, Wowol, Kinawakan to be developed as an agro-tourismarea in Southeast Minahasa Regency. The sample locations (observations) were determined by following the direction ofthe transect/ path intersecting the slope. The data or information obtained during the study was classified based on theresearch purposes and analyzed using qualitative descriptive analysis. The findings revealed that: 1 (a) Land use in therice fields of Mbhuk, Wowol and Kinawakan consists of rice fields, dry land, and dry land former of rice fields; (b) Thevegetative soil and water conservation techniques identified at the study site consist of relay cropping, intercropping, covercrops, and green mulch. Meanwhile, mechanically identified are bench terraces and mounds; (2) The difficulties faced byfarmers in adopting soil and water conservation techniques influenced by education, agricultural area and land ownership,as well as access to information and observerability; (3) The total value of potential objects and tourism attractions is asmuch as 2.010 with an average value of 502,5. This value denotes that the rice fields of Mbhuk, Wowol and Kinawakanare in the criteria of potential enough to be developed as an agro-tourism destination.Keywords : Soil and water conservation, rice fields, agro-tourism
UJI KINERJA ALAT PENGERING BIJI KAKAO (Theobroma cacao L.) TIPE BAK DI PT. PP. LONDON SUMATRA INDONESIA Tbk. PUNGKOL ESTATE Dandi Firmansyah A. Karim; Ir. Daniel P. M. Ludong, MSc; Lady C. Ch. E. Lengkey
COCOS Vol. 14 No. 1 (2022): EDISI JANUARI-MARET 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.35704

Abstract

ABSTRACT The purpose of this research was 1) To assess the performance of cocoa dryers in PT. Pp. London Sumatra Indonesia Tbk. 2) Calculate the efficiency of drying tool during drying process using body type dryer. The materials used are cocoa beans amounting to 1000 kg and gamal wood as a heat source of 249.02 kg. The results showed that the temperature resulting from this dryer is in the temperature range of 62.59°C -68.6°C where the moisture content of cocoa beans produced after the drying process in this tool is 7.85 % and the drying rate is 2.94 %/h, within 12 hours of drying and the efficiency of the drying tool is 19.68%. Keyword: Tool performance test; Body type dryer; Cocoa bean drying; Drying efficiency.

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