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Jurnal Agroekoteknologi Terapan
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 27970647     DOI : https://doi.org/10.35791/jat.v2i1.34060
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Agroekoteknologi Terapan adalah bagian dari Program Studi Agroteknologi Fakultas Pertanian Universitas Sam Ratulangi Manado 95115. Bertujuan untuk mempublikasikan akumulasi dari hasil-hasil penelitian yang berhubungan dengan ilmu dan teknologi pertanian terapan (applied agrotechnology).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 164 Documents
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Study Of Types Of Weeds That Have The Potential As Traditional Medicine Ingredients Used By The Community In North Bolaang Mongondow Regency Mamarimbing, Rinny; Doodoh, Beatrix; Tumewu, Pemmy; Tulungen, Antje Grace; Liwu, Suzanne Laura
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.v5i1.52655

Abstract

This research aims to obtain data on weed types that have the potential to be used as medicinal plants and are used by the community in the district. North Bolaang Mongondow Includes 1). Sangkub District, 2) Bintauna District, 3) Kaidipang District, 4) Pinogaluman District. The methods used in this research were field observations and interviews with healers and people who use weed as a traditional medicinal plant. The data/samples that will be taken over 4 sub-districts. The ethnic diversity that exists in Indonesia means that the use of weed as medicine is increasingly diverse. North Sulawesi Province has a wealth of plants as traditional medicines which can be processed to national standards into herbal medicines. The indigenous population in North Bolaang Mongondow Regency consists of the Kaidipang tribe and the Bintauna tribe. Various ethnic groups, including the Sangihe ethnic group and the Mongondow ethnic group, still use weed as an ingredient in traditional medicine. Weeds are wild plants defined as nuisance plants because they interfere with farmers' activities in cultivating crops and can reduce crop production. Apart from disturbing cultivated plants, weeds can be used as medicinal raw materials. Many types of weeds are used by the community as traditional medicine. Certain types of weed have been developed in the form of industrial-scale medicines. These weed species include Peperomia pellucida (L.), Cyperus rotundus L., Heliotropium indicum L., Eleusine indica (L.) Gaernt, Ageratum conyzoides L. The results of the research show that people in East Bolaang Mongondow Regency still use weed as a mixture of traditional medicinal ingredients. Keywords: medicinal plants, potential of weeds as medicinal plants Abstrak Tujuan penelitian ini adalah memperoleh data jenis gulma yang berpotensi sebagai tumbuhan obat dan dimanfaatkan masyarakat di Kab. Bolaang Mongondow Utara Meliputi 1). Kecamatan Sangkub, 2) Kecamatan Bintauna, 3) Kecamatan Kaidipang, 4) Kecamatan Pinogaluman. Metode yang digunakan dalam penelitian ini adalah observasi lapangan, wawancara  pengobat dan  masyarakat pengguna gulma sebagai tumbuhan obat tradisional.  Data/sampel yang akan diambil meliputi 4 kecamatan.  Keanekaragaman etnis yang ada di Indonesia menyebabkan pemanfaatan gulma sebagai obat juga semakin beraneka ragam.  Provinsi Sulawesi Utara memiliki kekayaan tumbuhan sebagai obat tradisional yang bisa diolah berstandar nasional menjadi obat herbal.  Penduduk asli di Kabupaten Bolaang Mongondow Utara terdiri dari suku Kaidipang dan Suku Bintauna. Berbagai etnis diantaranya etnis Sangihe, etnis Mongondow masih erat menggunakan gulma sebagai bahan obat tradisional.   Gulma merupakan tumbuhan liar didefinisikan sebagai tumbuhan pengganggu  karena mengganggu kegiatan petani dalam budidaya tanaman dan dapat menurunkan produksi tanaman.  Gulma selain mengganggu tanaman budidaya, dapat dimanfaatkan sebagai bahan baku obat. Banyak jenis gulma yang dimanfaatkan oleh masyarakat sebagai obat tradisional. Ada jenis gulma tertentu sudah dikembangkan dalam bentuk obat skala industri. Spesies gulma tersebut antara lain Peperomia pellucida (L.), Cyperus rotundus L., Heliotropium indicum L., Eleusine indica (L.) Gaernt, Ageratum conyzoides L. Hasil penelitian menunjukkan bahwa masyarakat di Kabupaten Bolaang Mongondow Timur masih menggunakan gulma sebagai campuran ramuan obat tradisional. Kata kunci: tumbuhan obat, potensi gulma sebagai tumbuhan obat.
Nutrient Status Of The Soil Layers Of Rice Fields In Taratara Satu District, West Tomohon District Tomohon City Kamagi, Kamagi; Kumolontang, Wiesje Junnieke Nathsuo; Sinolungan, Meldi Tieneke Magdalena; Rondonuwu, Jenny Jeanette
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.v5i1.52821

Abstract

Research in the field aims to determine the nutrient status condition in rice fields' soil layers. The things studied are N, P, K, C-organic, soil pH, and soil texture. The research is a survey method with a composite soil sampling technique at 0, 10, and 20 cm depth. Soil samples were taken at six different rice field points in the Taratara area. The nutrient status of N, P, K, and soil pH were analyzed using the Paddy Soil Test Kit (PUTS). C-organic using the Walkley and black method and for soil texture using the pipette method. The data from the analysis is then arranged in table form and explained descriptively. The research results from the six locations studied showed that: 1). N nutrient status is at low status; 2). P nutrient status is low, medium, and high; 3). K nutrient status is at medium and high status; 4). C – Organic nutrient status is at very low and low status and 5). Soil pH is slightly acidic and 6). Soil texture conditions are in the criteria of loam, silty loam, and silty clay loam. Keywords: Nutrient Status, Paddy Soil Layers. Abstrak Penelitian dilakukan di lapangan bertujuan untuk mengetahui kondisi status hara yang ada di lapisan tanah sawah.  Hal-hal yang diteliti adalah: N, P, K, C-organik, pH tanah dan tekstur tanah.  Metode penelitian adalah metode survei dengan teknik pengambilan sampel tanah perlapisan tanah pada kedalaman 0, 10 dan 20 cm secara komposit. Sampel tanah diambil pada enam titik lahan sawah yang berbeda di wilayah Taratara. Status hara N, P, K dan pH tanah dianalisis menggunakan Perangkat Uji Tanah Sawah (PUTS). C-organik dengan metode Walkley and black dan untuk tekstur tanah dengan metode pipet. Data hasil analisis kemudian disusun dalam bentuk tabel kemudian dijelaskan secara deskriptif. Hasil penelitian dari enam lokasi yang diteliti diperoleh bahwa : 1). Status hara N berada pada status rendah; 2). Status hara P berada pada status rendah, sedang dan tinggi; 3). Status hara K berada pada status sedang dan  tinggi; 4). Status hara C – Organik berada pada status sangat rendah dan rendah dan 5). pH tanah berada pada kondisi agak asam serta 6). Kondisi tekstur tanah berada pada kriteria lempung, lempung berdebu dan lempung liat berdebu. Kata kunci :  Status Hara, Lapisan Tanah Sawah
Cultivation Of Corn In The Dry Season Through Community Partnership Program In SMKN PP Kalasey Pamandungan, Yefta; Wanget, Sesilia A.; Doodoh, Beatrix
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.v5i1.53301

Abstract

The Community Partnership Program on Empowerment of SMKN PP Kalasey Students on Maize Cultivation in the Dry Season implemented in Kalasey Satu village, Mandolang District, Minahasa Regency, North Sulawesi, aims to: 1) Increase students' knowledge about corn cultivation in the dry season, 2) Increase students' knowledge about corn cultivation by modifying the planting rows between two varieties of corn, namely sweet corn and purple corn with a ratio of 4:1, 3) Empower educators at SMKN PP Kalasey as facilitators in corn cultivation activities in the dry season. This activity was carried out from September to October 2023 with the methods of agricultural extension, training, and plot demonstration and accompaniment. The program participants were students of SMKN PP Kalasey and were assisted by teachers as facilitators. Based on the results of the activity program, there is a positive impact on improving community values in terms of education in agriculture, increasing the application of science and technology regarding corn cultivation techniques in the dry season, increasing knowledge about corn cultivation techniques by modifying corn planting rows between sweet corn and purple corn to produce consumption materials, namely sweet purple corn, and knowledge about independent seed supply. Keywords: crop cultivation, maize, dry season Abstrak Program Kemitraan Masyarakat (PKM) mengenai Pemberdayaan Siswa SMKN PP Kalasey Mengenai Budidaya Tanaman Jagung Pada Musim Kemarau yang dilaksanakan di desa Kalasey Satu, Kecamatan Mandolang, Kabupaten Minahasa, Sulawesi Utara, bertujuan untuk: 1) Meningkatkan pengetahuan siswa mengenai budidaya tanaman jagung pada musim kemarau, 2) Meningkatkan pengetahuan siswa mengenai budidaya tanaman jagung dengan memodifikasi baris tanam antara dua varietas jagung yaitu jagung manis dan jagung ungu dengan ratio 4:1, 3) Memberdayakan tenaga pendidik (guru) di SMKN PP Kalasey sebagai fasilitator dalam kegiatan budidaya tanaman jagung di musim kemarau. Kegiatan PKM ini dilaksanakan pada September sampai dengan Oktober 2023 dengan metode Penyuluhan, Pelatihan dan Demonstrasi Plot serta Pendampingan. Peserta program PKM yaitu siswa SMKN PP Kalasey dan dibantu oleh para guru sebagai fasilitator. Berdasarkan hasil kegiatan PKM menunjukkan adanya dampak positif bagi perbaikan tata nilai masyarakat dalam hal pendidikan di bidang pertanian, peningkatan penerapan IPTEK mengenai teknik budidaya jagung dimusim kemarau, peningkatan pengetahuan mengenai teknik budidaya jagung dengan memodifikasi baris tanam jagung antara jagung manis dan jagung ungu dalam upaya menghasilkan bahan konsumsi berupa jagung manis berbulir ungu, serta pengetahuan mengenai penyediaan benih secara mandiri. Kata kunci: budidaya tanaman, jagung, kemarau
Agrosilvopasture Pattern In Paslaten Village, Tatapaan District, South Minahasa Regency, North Sulawesi Province Pontoh, Syalomitha; Ratag, Semuel P.; Pangemanan, Euis F.S.; Ngangi, Charles Reijnaldo
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.v5i1.53616

Abstract

Agrosilvopasture is part of agroforestry which is a system that can be offered to overcome problems that arise due to land conversion and at the same time to overcome the problem of food availability. This research aims to identify the agro silvopastry pattern implemented in Paslaten Village, Tatapaan District, South Minahasa Regency, North Sulawesi Province. The research was carried out in June-July 2023. In this research, the method used was a survey method using a questionnaire as a guide and field observations. The respondents in this study were 6 people taken based on criteria, namely native residents of Paslaten village and people who own agro silvopasture land. The research results show that the patterns applied by the people of Paslaten Village are random planting patterns and regular planting patterns. For annual woody plants, they are planted in a regular planting pattern and used as land dividers between one land and another. Cloves, nutmeg, and coconut are planted in a regular pattern. Some chickens on agro silvopasture land are kept in cages and some are released into the wild. Pigs on agro silvopasture land are confined; Meanwhile, cattle are tied up and not allowed to find their own food because it will damage the existing plants. Keywords: agro silvopasture, agroforestry, Paslaten Village Abstrak Agrosilvopastura adalah bagian dari agroforestri yang merupakan salah satu sistem yang dapat ditawarkan untuk mengatasi masalah yang timbul akibat adanya alih fungsi lahan dan sekaligus untuk mengatasi masalah ketersediaan pangan. Penelitian ini bertujuan untuk mengidentifikasi pola agrosilvopastura yang diterapkan di Desa Paslaten, Kecamatan Tatapaan, Kabupaten Minahasa Selatan Provinsi Sulawesi Utara. Penelitian dilaksanakan pada bulan Juni-Juli 2023. Dalam penelitian ini metode yang digunakan adalah metode survei menggunakan kuesioner sebagai panduan dan observasi lapangan. Responden dalam penelitian ini berjumlah 6 orang yang diambil berdasarkan kriteria yaitu penduduk asli desa Paslaten dan masyarakat yang memiliki lahan agrosilvopastura. Hasil penelitian menunjukan pola yang diterapkan oleh masyarakat Desa Paslaten yaitu pola tanam acak dan pola tanam teratur. Untuk tanaman tahunan berkayu ditanam dengan pola tanam teratur dan digunakan sebagai pembatas lahan antara lahan yang satu dan lahan lainnya. Untuk cengkeh, pala dan kelapa ditanam dengan pola teratur. Hewan ternak ayam di lahan agrosilvopastura ada yang dipelihara dalam kandang dan ada pula yang dilepasliarkan. Hewan ternak babi di lahan agrosilvopastura dikandangkan, sedangkan ternak sapi diikat dan tidak dibiarkan mencari makan sendiri karena akan merusak tanaman yang ada. Kata kunci: agrosilvopastura, agroforestri, Desa Paslaten  
Agro Digitalization Capability Of The Umkm Sector In Bitung City In The Era Of Digital Agro Economy Langelo, Langelo; Ngangi, Charles Reijnaldo; Rengkung, Leonardus Ricky
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.v5i1.53993

Abstract

The digitalization capability of the UMKM sector in Bitung City in the era economy of digital is carried out to conduct an assessment of the UMKM sector in terms of digitalization capability elements for its business as well as review and analyze the digitalization capability of the UMKM sector in the era economy of digital.       This research uses a survey method by distributing a list of questions to micro, small, and medium enterprises (MSMEs) actors in Bitung City to obtain primary data while secondary data is taken from related agencies. Sampling was carried out using stratified random sampling with comparable allocation. The elements of digitalization capability that determine digitalization capability are (1) the ability to understand digital, (2) the importance of digital strategy, (3) handphone ownership, (4) computer ownership, (5) website ownership, (6) social media ownership, (7) an e-commerce system ownership, (8) aspects of internet use, (9) frequency of internet use, and (10) importance of internet use. Measuring elements of digitalization capability using a Likert scale. The data analysis used was an inductive analysis of the one-sample t-test using the SPSS program.       The research results show that: (a) Eight elements of digitalization capability in micro business including elements (1), (2), (3), (4), (5), (6), (8), and (10) that can be applied significantly. Meanwhile, the 2 (two) elements of digitalization capability implemented by micro businesses are not significant, including elements (7) and (9). (b) Seven elements of digitalization capability in small business, including elements (3), (4), (5), (6), (8), (9), and (10) that can be applied significantly.  Meanwhile, the 3 (three) elements of digitalization capability implemented by small businesses are not significant, including elements (1), (2), and (7).  (c) Ten elements of digitalization capability in medium business, include elements (1), (2), (3), (4), (5), (6), (7), (8), (9), and (10) that can be applied significantly.       The conclusions of this research are (a) The significant application of the ten elements of   digital capability by UMKM actors in Bitung City can increase capabilities to the maximum, can provide profits maximum in existing businesses, and can increase competitiveness in business. (b) The insignificant application of the ten elements of digital capability by UMKM actors in Bitung City cannot increase digitalization capabilities to the maximum, cannot provide profits maximum in existing business, and cannot increase competitiveness in business. The inability of Micro and Small Businesses is due to low ability to understand digital, limited human resources competent in the digital field and limited capital. Suggestions to UMKM in Bitung City are to implement the ten elements of digital capability, while the government needs to carry out socialization and training about digital and provide capital assistance to business actors specifically for Micro and Small Businesses.    Keyword:  Digitalization Capabilities, Agroeconomy, the UMKM sector, Bitung City.
Ecological Characteristics Of The Soil As An Indicator Of The Carrying Capacity Of Lykri Island Tourism In Eris District Of Minahasa Regency Punuindoong, Sriwanty; Tamod, Zetly Estefanus; Rombang, Johan Alexander
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.v5i1.53994

Abstract

This study aims to find out the ecological characteristics of the soil in particular the physical, chemical and biological properties of the soil as indicators of the carrying capacity of tourism of Likri Island. Located on Likri Island, Tendengan Dua District Eris, Minahasa Regency. Using Laboratory Survey and Analysis Methods. Soil samples are taken at 6 points, at each point taken at a soil depth of 0-30 cm and 30-60 cm. Determination of sample points is carried out by purposive sampling. It then uses matching methods for land suitability analysis as an indicator of tourism carrying capacity. Based on the results of the research, the ecological characteristics of the soil on Likri Island, namely, it has a sandy soil texture with very fast permeability and the moisture content of the airy capacity ranges at an average value of 9.33% - 11.97% and the content of nutrients N, P, K and C-organic in moderate criteria. The suitability of Likri Island land for tourism activity is moderate (S) with limiting factors of soil texture and nutrient availability. Keywords:  Soil Ecology, Tourism Carrying Capacity, Likri Island Abstrak Penelitian ini bertujuan untuk mengetahui karakteristik ekologis tanah khususnya sifat fisik, kimia dan biologi tanah sebagai indikator daya dukung pariwisata Pulau Likri. Dilaksankana di Pulau Likri Desa Tendengan Dua Kecamatan Eris Kabupaten Minahasa. Menggunakan Metode Survey dan Analisis Laboratorim. Sampel tanah diambil pada 6 titik, disetiap titik diambil pada kedalaman tanah 0-30 cm dan 30-60 cm. Penentuan titik sampel dilakukan secara purposive sampling. Kemudian menggunakan metode matching untuk analisis kesesuaian lahan sebagai indikator daya dukung pariwisata. Berdasarkan hasil penelitian karakteristik ekologi tanah di Pulau Likri, yaitu memiliki tekstur tanah berpasir dengan permeablitas sangat cepat dan kadar air kapasitas lapang berkisar pada nilai rata-rata 9,33% - 11,97% dan kandungan unsur hara N, P, K dan C-organik dalam kriteria sedang. Kesesuaian lahan Pulau Likri untuk aktivitas pariwisata adalah sedang (S) dengan faktor pembatas tekstur tanah dan ketersedian hara. Kata Kunci : Ekologi Tanah, Daya Dukung Pariwisata, Pulau Likri
Spatial Mapping And Analysis Of The Harvest Time Determination Of Paddy (Oryza sativa L.) Using The Thermal Unit Of The Southeast Minahasa Regency: Rombe, Nadia Jovanka; Rogi, Johannes E. X; Paulus, Jeanne M.; Paat, Frangky J.
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.v5i1.54044

Abstract

Climate change since 2019 has had a significant impact on paddy plant growth, presenting new challenges in optimizing food production. An effective approach in determining the harvest timing is the Thermal Unit Concept, which takes into account the accumulation of daily temperature during the rice plant's growth. Spatial mapping using Geographic Information System (GIS) is employed to analyze land conditions and heat requirements in paddy cultivation. The mapping results are valuable for planning, cultivation, governmental policy-making, and dissemination to farmers. This research was conducted from August to November in the Rasi Village, Southeast Minahasa, North Sulawesi Province. Data collection involved observing the phenology of rice plants, recording coordinates of planting and harvesting locations, and digitizing Landsat images using SAS Planet and ArcGIS 10.8. Daily temperature analysis was carried out to obtain thermal unit values. The digitized map revealed the paddy field area in Southeast Minahasa Regency to be 3,002.621 hectares, distributed across all sub-districts. The sub-district with the largest paddy field area was North Tombatu, covering 521.362 hectares, while South Touluaan had the smallest area at 32.142 hectares. The Thermal Unit analysis indicated that Southeast Minahasa Regency/Rasi requires 1,285.11 thermal units, with varying heat requirements in each growth phase. During the seeding-planting phase, paddy plants need 292.79 °C, seedling-transplanting 460.04 °C, seedling-anthesis, and heading 217.57 °C, and during the anthesis and heading-harvest phase, paddy plants require 314.71 °C. Keywords: Spatial Mapping, Thermal Unit, Paddy (Oryza sativa L.) Abstrak Perubahan iklim yang terjadi sejak tahun 2019 telah memberikan dampak signifikan pada pertumbuhan tanaman padi, menghadirkan tantangan baru dalam mengoptimalkan produksi pangan. Pendekatan efektif dalam menentukan waktu panen adalah Konsep Thermal Unit, yang memperhitungkan akumulasi suhu harian selama pertumbuhan tanaman padi. Pemetaan spasial menggunakan Sistem Informasi Geografis digunakan untuk menganalisis kondisi lahan dan kebutuhan panas dalam pertanian padi. Hasil pemetaan ini berguna untuk perencanaan, pembudidayaan, serta pengambilan kebijakan pemerintah dan disosialisasikan kepada petani. Penelitian ini dilaksanakan pada bulan Agustus – November di Desa Rasi, Minahasa Tenggara Provinsi Sulawesi Utara. Pengumpulan data penelitian dilakukan dengan pengamatan fenologi tanaman padi, mengambil titik koordinat lokasi dan waktu/tanggal semai-panen tanaman padi, kemudian dilakukan digitasi Citra Landsat, Sas Planet ArcGIS 10.8 dan menganalisis suhu harian untuk mendapatkan nilai thermal unit. Hasil digitasi peta mendapatkan luas sawah di kabupaten Minahasa Tenggara sebesar 3.002,621 ha yang tersebar diseluruh kecamatan yang ada di Minahasa Tenggara, Kecamatan yang memiliki luas lahan sawah terbesar yaitu kecamatan Tombatu Utara sebesar 521,362 ha, sedangkan untuk kecamatan dengan luas lahan terkecil yaitu Touluaan Selatan sebesar 32,142 ha. Hasil analisis Thermal Unit menunjukan bahwa kabupaten Minahasa Tenggara / Rasi : 1.285,11 d0C, dengan jumlah kebutuhan panas yang berbeda-beda disetiap fasenya. Pada fase semai – tanam, tanaman padi memerlukan 292,79 d0C, tanam-anakan 460,04 d0C, anakan – anthesis dan bunting 217,57 d0C, serta pada fase anthesis dan bunting – panen tanaman padi memerlukan 314,71 d0C. Kata Kunci : Pemetaan Spasial, Thermal Unit, Padi (Oryza sativa L).
The Effects of Substituting Straw Compost for NPK Fertilizer On Field Rice Growth and Yield Using The SRI (System of Rice Intensification) Method Rantung , Rantung; Paulus, Jeanne M.; Supit, Paula C. H.; Ogie, Tommy B.; Lengkong, Edy F.; Walingkas, Stanley A. F.; Inkiriwang, Annatje E. B.; Doodoh, Beatrix; Pangemanan, Ventje; Najoan, Jemmy; Polii, Maria G. M.; Tulung, Stella Maria Theresia
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.v5i1.54192

Abstract

With an agroecological philosophy, the SRI (System of Rice Intensification) technique is a rice production technology approach that prioritizes soil, plant, and water management through local expertise and group empowerment based on environmentally beneficial activities. The purpose of this study is to investigate lowland rice growth and yield by using composted straw instead of NPK fertilizer. Implemented in Tara-Tara II village, West Tomohon sub-district for 5 (five) months with one factor treatment, namely the ratio of NPK fertilizer dose and straw compost dose: 100% NPK + straw compost 0% straw compost (P0), 75% NPK + 25% straw compost (P1), 50% NPK + 50% straw compost (P2), 25% NPK + 75% straw compost (P3), and 0% NPK + 100% straw compost (P4). The variables observed included: plant height, number of fodder, number of panicles/clumps, weight of 100 harvested dry grains, number of grains/panicles, percentage of smooth grains/clumps and harvested dry grain yield. Substitution of NPK fertilizer with compost straw has no effect on the height of lowland rice plants using the SRI (System of Rice Intensification) method, but does affect the number of productive tillers. The highest number of productive tillers was found in P2 (50% NPK + 50% straw compost), P3 (25% NPK + 75% straw compost) and P4 (0% NPK + 100% straw compost), with an average value of 31, respectively. 27; 28.20 and 27.53 tillers, while treatment P3 (25% NPK + 75% straw compost) and lower values in treatments P0 (100% NPK + 0% straw compost) and P1 (75% NPK + 25% straw compost ) with an average value of 25.83; and 25.67 offspring. Keywords: System of Rice Intensification (SRI), rice, straw compost.
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
Types Of Refugia That Effectively Preserve Parasitoid Diadegma semiclausum In Control Plutella xylostella Cabbage Pests In Tomohon City Dumalang, Sherlij; Wanta, Noni N.; Turang , Defly A. S.
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.v5i1.54524

Abstract

Refugia is a plant used in plant cultivation that provides food in the form of nectar and honeydew needed by parasitoid imago so that it can survive its life and can increase its effectiveness. Parasitoids. Diadegma semiclausum is one of the parasitoids that can suppress the population of P. xylostella pests on cabbage plants to a non-detrimental extent or below the economic threshold. The purpose of this study was to determine the types of refugia that effectively preserve the parasitoid D. semiclausum around Tomohon City cabbage plants. The research method used is the survey method. Observations were carried out using self-adhesive traps, insect nets, and direct observations on plants that produce flowers vegetables, flowers, and weeds around cabbage plants in Paslaten, Rurukan, Kakaskasen I, and Wailan Villages. The data obtained were analyzed descriptively to determine the type of plant that invited the most presence of the parasitoid insect D. semiclausum as an effective refugium. Based on observations, it turns out that the effective refugia for D. semiclausum parasitoids is the Green Mustard plant. Plants that are visited by many other insects are Green Mustard plants, Legetan Weeds, Japanese Jasmine, and Carrots. Keywords: Refugia, Pest, Parasitoid, D. semiclausum, P. xylostella Abstrak Refugia merupakan tanaman yang digunakan dalam budidaya tanaman yang menyediakan makanan berupa nektar dan embun madu yang dibutuhkan oleh imago parasitoid sehingga dapat melangsungkan kehidupannya dan dapat meningkatkan efektifitasnya. Parasitoid. Diadegma semiclausum adalah salah satu parasitoid yang dapat menekan populasi hama P. xylostella pada tanaman kubis sampai batas yang tidak merugikan atau di bawah ambang ekonomi. Tujuan dari penelitian ini adalah untuk mengetahui jenis-jenis refugia yang efektif melestarikan parasitoid D. semiclausum di sekitar pertanaman kubis Kota Tomohon. Metode penelitian yang digunakan adalah metode survey. Pengamatan dilakukan dengan menggunakan perangkap berperekat, net serangga dan pengamatan secara langsung pada tanaman yang menghasilkan bunga baik sayuran, bungaan dan gulma yang ada di sekitar pertanaman kubis di Desa Paslaten, Rurukan, Kakaskasen I dan Wailan. Data yang diperoleh dianalisis secara deskriptif untuk menentukan jenis tanaman yang mengundang paling banyak kehadiran serangga parasitoid D. semiclausum sebagai refugia efektif. Berdasarkan hasil pengamatan ternyata bahwa refugia yang efektif bagi parasitoid D. semiclausum adalah tanaman Sawi Hijau. Tanaman yang banyak dikunjungi serangga lainnya adalah tanaman Sawi Hijau, Gulma Legetan, Melati Jepang dan Wortel. Kata Kunci: Refugia, Hama, Parasitoid, D. semiclausum, P. xylostella

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