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All Journal The Studies of Social Sciences Jurnal Agroekoteknologi Terapan COCOS EKOTON
Rafli Kawulusan
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Social Sciences

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KLASIFIKASI KEMAMPUAN LAHAN DENGAN MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS DI KECAMATAN LOLAK KABUPATEN BOLAANG MONGONDOW Luther Sefle; Sandra E. Pakasi; Yani E.B. Kamagi; Rafli Kawulusan
COCOS Vol. 2 No. 4 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i4.1636

Abstract

ABSTRAK Penelitian bertujuan untuk menentukkan kelas kemampuan lahan di Kecamatan Lolak Kabupaten Bolaang Mongondow. Penelitian dilaksanakan dengan metode survei. Penilaian klasifikasi kemampuan lahan berdasarkan metode USDA dan pembuatan peta klasifikasi kemampuan lahan dengan metode overlay (geoprocessing) dengan menggunakan Sistem Informasi Geografis (SIG). Hasil penelitian menunjukkan bahwa di daerah penelitian terdapat empat kelas kemampuan lahan yaitu kelas III, IV, VI dan VII dengan luas masing – masing sebagai berikut kelas III dengan luas 8347,72 hektar, kelas IV dengan luas 548,32 hektar, kelas VI dengan luas 8987,45 hektar dan kelas VII dengan luas 30039,19 hektar. Kemiringan lereng dan permeabilitas merupakan faktor pembatas utama dalam kelas kemampuan lahan di daerah penelitian.Kata kunci : Peta Kelas Kemampuan Lahan, Kecamatan Lolak, Klasifikasi Kemampuan Lahan menggunakan Sistem Informasi Geografis
EVALUASI KESESUAIAN LAHAN SECARA FISIK UNTUK TANAMAN KEDELAI DI KELURAHAN PANDU KECAMATAN MAPANGET KOTA MANADO Orpa Frasawi; Maria Montolalu; Meldi Sinolungan; Rafli Kawulusan
COCOS Vol. 4 No. 1 (2014)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v4i1.3473

Abstract

ABSTRACTThis study aimed to know physical land suitability for soybean crops in the Pandu Village, Mapanget District of Manado. This research can provide input and information to the government and the people of the district of Mapanget about land suitability, especially for soybean plants, which were held at Pandu Village, Mapanget District of Manado city, and at the Laboratory of Soil Conservation and Physics, Faculty of Agriculture of Unsrat for 6 ( six ) months, commencing from March to August 2013, by using the method of Land Survey Unit Approach. The results showed that, the agricultural land at Pandu Village has some potential areas for development of soybean plants. Area I and VI were categorized into suitability classes S2 ( quite appropriate ), Area II was the suitability class S3 ( marginally suitable ), Area III was suitability class N1 ( not appropriate at this time ), Area IV were conformity classes N2 ( not appropriate forever )Keyword: Physical Land Suitability, Soybean
SIFAT FISIK DAN KIMIA SEDIMEN PADA DANAU TONDANO Vinny V. Moningka; Meldi T.M. Sinolungan; Djoni Kaunang; Rafli Kawulusan
COCOS Vol. 6 No. 9 (2015)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i9.8195

Abstract

Abstract Tondano Lake was an important natural resource in Minahasa Regency. There was an important problem, i.e.: lake shallowing through the process of sedimentation. Sediment was mud deposit containing materials through both chemical and biological processes. The purpose of this study was to identify the physical and chemical properties of sediments in Lake Tondano, especially in the eastern part (Eris) and the western part (Remboken). Purposive Sampling Method was in different depth of sampling (Eris 11 m; Remboken 7 m). Parameters observed were physical properties of soil was soil texture, and chemical properties of soil were total nitrogen, available phosphorus, available potassium, C-organic, and pH . Results had showed that, soil physical was silty clay of texture. However, soil chemical were acidity of sediment was slightly acid, i.e. : pH=6.52 (Eris), pH= 6.58 (Remboken), C-organic, Nitrogen and Phosphorus in Eris were higher than in Remboken; and  Potassium in Eris and Remboken were very low.  Keywords: physical properties, chemical properties, sediment, Tondano  Lake.
Pengaruh Pemberian Mol Sabut Kelapa Terhadap Pertumbuhan Tanaman Sawi Pakcoy (Brassica rapa L.) Afif Ramadhana Danie; Diane D. Pioh; Rafli Kawulusan; Adeleyda M. W. Lumingkewas
COCOS Vol. 11 No. 3 (2019): EDISI JULI-SEPTEMBER 2019
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v3i3.29636

Abstract

ABSTRACTSoil fertility is very necessary in the process of plant growth. This study aims to find theeffect of giving coconut fiber MOL to the growth of pakcoy mustard plants(Brassica Rapa L.). Thisresearch was conducted from December 2019 to February 2020 at the Greenhouse of the Faculty ofAgriculture, Sam Ratulangi University, Manado. The method used in this research is a CompletelyRandomized Design (CRD) method with 6 treatments that were repeated 3 times. The treatmentused consist of K: Control, P: Phonska 250 kg/ha, M25: Coconut fiber MOL solution 25% +phonska 250 kg/ha, M50: Coconut fiber MOL solution 50% + phonska 250 kg/ha, M75: Coconutfiber MOL solution 75% + phonska 250 kg/ha, dan M100: Coconut fiber MOL solution 100% +phonska 250 kg/ha. The results showed that the administration of coconut fiber MOL on thegrowth of mustard pakcoy plants in the concentration of coconut fiber MOL 75% + phonska 250kg / ha had an influence on plant height and for the concentration of coconut coir MOL 25% +phonska 250kg / ha had an influence on the number of leaves and weight wet even though thestatistical results show no significant difference.Keywords: Brassica rapa L., Solution, Coconut fiber MOL.
Testing of the N, P, and K nutrients in rice soil in the Kalawarat district of North Minahasa Regency Kumolontang, Wiesje J.N.; Karamoy, Lientje Theffie; Rondonuwu, Jenny J.; Kawulusan, Rafli
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.54506

Abstract

The specific goals of the field and laboratory research on N, P, and K nutrient content tests in paddy soil in Kalawat District, North Minahasa Regency, are to increase the production of paddy rice plants by investigating and testing the nutrient contents of N, P, and K in rice field soil using a survey method with composite soil sampling that is tailored to the conditions of rice field soil for rice plants in the field. both at the top and bottom with In condition 1. On processed rice fields prepared for planting. 2. In rice fields where one-month-old rice has been sown. 3. In freshly harvested rice fields. Three composite soil samples were acquired for each paddy field soil condition for rice plants, and these samples were blended to create six soil samples (observations). The entire research project, from planning to report development, took eight months. The Paddy Soil Test Kit (PUTS) was used to collect qualitative data from soil samples collected in the field. Later, the soil samples were examined in the lab using the Kjeldhal method for N content, the Bray 1 method for P levels, and the spectrophotometric method for K levels. Tabular descriptive analysis is the method of data analysis that is employed. According to the study's findings, the nutrient content of the rice fields in Kalawat District, North Minahasa, N. is categorized as low to medium. Keywords: Rice plants, Paddy soil, N, P, and K. Abstrak Penelitian tentang Uji Kandungan Hara N, P dan K Pada Tanah Sawah Di Kecamatan Kalawat Kabupaten Minahasa Utara merupakan penelitian di Lapangan dan Laboratorium dengan tujuan khusus yang ingin dicapai dalam penelitian ini adalah Meningkatkan produksi tanaman padi sawah; dengan cara meneliti dan menguji kandungan hara Nitrogen, Fosfor dan Kalium pada tanah sawah, dengan menggunakan metode survei dengan pengambilan sampel tanah secara komposit disesuaikan dengan keadaan kondisi tanah sawah pada tanaman padi yang ada di lapangan.  Pada bagian atas dan bagian bawah dengan  Kondisi 1. Pada tanah sawah yang telah selesai diolah dan siap ditanami. Kondisi 2. Pada tanah sawah yang telah ditanami padi berumur 1 bulan. Kondisi 3. Pada tanah sawah yang baru selesai dipanen. Masing-masing kondisi tanah sawah untuk tanaman padi diambil 3 sampel tanah secara komposit kemudian dicampur sehingga diperoleh 6 Sampel tanah (pengamatan). Waktu penelitian selama 8 bulan dari persiapan sampai pembuatan laporan. Sampel tanah yang diperoleh di lapangan di analisis menggunakan Perangkat Uji Tanah Sawah (PUTS) sebagai data kualitatif dan di Laboratorium dianalisis Kadar N dengan menggunakan metode Kjeldhal; Kadar P dengan menggunakan metode Bray 1; Kadar K dengan menggunakan metode Spektrofotometri. Metode analisis data yang digunakan adalah analisis deskriptif secara tabelaris. Hasil dari penelitian ini  menunjukkan Kandungan Hara pada Lahan sawah di Kecamatan Kalawat Minahasa Utara N tergolong Rendah sampai sedang, P tergolong rendah hingga sedang dan K tergolong sedang. Kata kunci : N, P, K, Tanah Sawah, Tanaman Padi
Test Of Nutrients Content Of Nitrogen, Phosphorus, And Kalium On Paddy Fields Area Of Mopuya Village Of North Dumoga Sub District Of Bolaang Mongondow Regency Kowaas, Freandy; Karamoy, Theffie; Kumolontang, Wiesje; Luntungan, Jooudie; Kaunang, Djoni; Rondonuwu, Jenny; Kawulusan, Rafli
EKOTON Vol. 4 No. 1 (2022): ISSUE JANUARY - JUNE 2022
Publisher : PPLH-SDA, Lembaga Penelitian Unsrat Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35801/ekoton.v5i1.49532

Abstract

Dumoga, one of some regions of Bolaang Mongondow Regency, is a central region of rice production and so has the most important role in fulfilling the effort of people’s food needs. The research aimed to know the content of nutrients of Nitrogen, Phosphorus, and Kalium in the paddy fields area of Mopuya Village of North Dumoga Sub-district of Bolaang Mongondow Regency. Analysis of soil samples in the field used Paddy Fields Test Tool (PFTT). The research was conducted for six months from March 2022 to September 2022. The method was Survey Method by sampling soil technique in compositing the samples (whether systematically, or randomized), in which the soil samples were taken on three kinds of soil conditions, i.e.: soil ready to cultivate, the soil one month after planting, and soil after harvesting. Results showed the analysis of N content of soil ready to cultivate, soil one month after planting, and soil after harvesting were low to medium (0.16% – 0.23%). The content of P-available in the soil of ready to cultivate, soil one month after planting, and soil after harvesting were very low to low (8 – 15 ppm). The content of K-available in the soil ready to cultivate, the soil one month after planting, and the soil after harvesting were low to medium (26 – 40 ppm). Keywords: Nitrogen, Phosphorus, Kalium, Paddy fields area  
Penyuluhan Cara Pemupukan Berimbang pada Tanah Sawah di Desa Winebetan Kecamatan Langowan Selatan Rondonuwu, Jenny; Kumolontang, Wiesje J N; Kamagi, Yanny; Kawulusan, Rafli; Sinolungan , Meldi
The Studies of Social Sciences Vol. 7 No. 1 (2025): The Studies of Social Sciences
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35801/tsss.v7i1.59822

Abstract

Wilayah Desa Winebetan Kecamatan Langowan Selatan umumnya memiliki lahan sawah yang cukup luas. Luas lahan yang cukup besar ini perlu didukung dengan ketersediaan hara cukup bagi pertumbuhan tanaman padi sepanjang tahun. Kondisi lapangan sering terkendala sumber hara berupa pupuk kurang tersedia untuk kebutuhan tanaman padi sehingga lahan sawah yang ada ditanami padi produksinya berkurang. Pemupukan sangat dibutuhkan diperlukan dalam proses pertumbuhan tanaman padi sawah. Ketersediaan pupuk untuk pertumbuhan tanaman padi seringkali tidak tersedia cukup pada saat tanaman padi membutuhkannya. Untuk itu melalui transfer teknologi kepada petani sawah melalui penyuluhan tentang bagaimana mengelola pupuk dengan pemupukan berimbang yang sesuai bagi pertumbuhan tanaman padi sangat diperlukan sebagai tambahan pengetahuan bagi petani sawah dalam rangka pengelolaan lahan sawahnya. Target yang ingin dicapai dari program ini adalah: Meningkatkan pengetahuan dan kemampuan petani/mitra di desa Winebetan kecamatan Langowan Selatan tentang pemupukan berimbang pada tanaman padi. Metode pelaksanaan kegiatan PKM dilakukan melalui langkah-langkah sebagai berikut: 1). Proses identifikasi masalah lahan sawah Mitra; 2). Kajian kondisi tanah di lahan sawah; 3). Penetapan bentuk teknologi tepat guna; dan 4). Memberikan penyuluhan cara teknologi pengelolaan pupuk berimbang. Dalam pelaksanaan penyuluhan, Tim mentranser ilmu kepada mitra dengan jalan penyuluhan tentang pemupukan berimbang di tanah sawah. Sedangkan Mitra akan membantu dan berperan aktif dalam pelaksanaan penyuluhan.
Co-Authors Adeleyda M. W. Lumingkewas Afif Ramadhana Danie Diane D. Pioh Djoni Kaunang Jenny J. Rondonuwu Jenny Rondonuwu Kamagi, Yanny Karamoy, Lientje Theffie Karamoy, Theffie Kowaas, Freandy Kumolontang, Wiesje J N Luntungan, Jooudie Luther Sefle Maria Montolalu Meldi Sinolungan Meldi T.M. Sinolungan Meldi T.M. Sinolungan, Meldi T.M. Orpa Frasawi Sandra E. Pakasi Sinolungan , Meldi Vinny V. Moningka Vinny V. Moningka, Vinny V. Wiesje J.N. Kumolontang Wiesje Kumolontang Yani E.B. Kamagi