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All Journal Jurnal MIPA Jurnal Bios Logos Jurnal Agroekoteknologi Terapan
Daniel Peter Mantilen Ludong
Universitas Sam Ratulangi
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Environmental Science Immunology & microbiology Mathematics Medicine & Pharmacology Physics

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Alokasi Biomassa pada Padi (Oryza sativa L.) Lokal Sulut Saat Kekurangan Air (Biomass Partitioning for North Sulawesi Local Rice (Oryza sativa L.) Cultivars under Water Deficit Condition) Nio, Song Ai; Lenak, Audry Agatha; Mantiri, Feky R; Mambu, Susan M; Ludong, Daniel PM
JURNAL BIOS LOGOS Vol 5, No 2 (2015): JURNAL BIOSLOGOS
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jbl.5.2.2015.10550

Abstract

ABSTRAK Salah satu masalah utama yang menjadi kendala dalam produksi padi di Indonesia adalah kekurangan air yang melanda areal persawahan sehingga menjadi suatu ancaman untuk produksi padi. Masalah tersebut dapat diatasi dengan beberapa cara dan salah satunya dapat dilakukan melalui strategi adaptasi. Oleh sebab itu kajian sifat tahan kering pada padi lokal Sulawesi Utara (Sulut) perlu dilakukan, dalam upaya mendukung tercapainya tujuan strategis tersebut. Penelitian ini dilakukan untuk mengevaluasi sifat tahan kering pada empat varietas padi lokal Sulut (Burungan, Superwin, Temo dan Ombong) pada fase vegetatif saat kekurangan air berdasarkan alokasi biomassa. Setelah 14 hari perlakuan, rasio akar:tajuk pada keempat varietas menunjukkan bahwa varietas Superwin, Temo dan Burungan yang tidak diairi air memiliki rasio akar:tajuk yang lebih besar daripada yang diairi. Berdasarkan alokasi biomassa, sifat tahan kering Superwin, Temo dan Ombong lebih besar dibandingkan dengan Burungan, sehingga varietas ini potensial untuk ditanam di daerah kekurangan air. Kata kunci: biomassa, kekeringan, padi lokal Sulut, vegetative ABSTRACT One of the main problems in rice production in Indonesia is the lack of water and this condition resulted in the decrease of rice production. The problem can be solved in several ways and one of them is adaptation strategies. This study was conducted to evaluate drought resistance in four North Sulawesi local rice varieties (Burungan, Superwin, Temo and Ombong) at the vegetative phase under water deficit based on biomass allocation. After 14 days of treatment, the root:shoot ratio of Superwin, Temo and Burungan under drought were greater than under well-watered condition. Based on the biomass allocation, the drought resistance of Superwin, Temo and Ombong were greater than Burungan, so that these varieties were  potential to be grown in the water deficit areas. Keywords: biomass, drought, North Sulawesi local rice, vegetative
Aplikasi Sistem Irigasi Tetes Berbasis Mikrokontroler Arduino dalam Budidaya Tanaman Pakcoy (Brassica rapa l.) Rijuniansi Grishella Rishelbi Silitonga; Daniel Peter Mantilen Ludong; Meicsy Eldad Israel Najoan
Jurnal MIPA Vol. 12 No. 1 (2023)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jm.v12i1.43642

Abstract

The purpose of this study was to examine the application of a drip irrigation system based on an Arduino microcontroller in the cultivation of pakcoy (Brassica rapa l.) and the development of pakcoy plant growth, which included plant height and mass/weight of pakcoy plants. The data or information gathered during the study was classified based on the research objectives, observed using experimental methods, and processed using quantitative descriptive analysis. In this study, the microcontroller has passed the testing stages, including soil moisture sensor V1.2, ultrasonic sensor, DHT11 sensor, and GY-49 lux light sensor, which are working well so they can be implemented. The application of the Arduino microcontroller-based drip irrigation system using a soil moisture sensor works to detect based on the determined soil moisture limit value, namely the 60% setting point limit. Plant growth using a drip irrigation system based on a microcontroller resulted in plant height with an average value of 19.60 cm/plant and a mass weight of pakcoy plant yielding a total average harvest of 48.2 g/plant.
Application Of Solar Panels As A Source Of Electricity For Hydroponic Irrigation Systems David P. Rumambi; Daniel P.M. Ludong; Alden M. Saiya; Frangky Paat
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.46703

Abstract

The aim of this research is to design an eletrtic circuit system using solar panel to meet the needs of electric pumps of hydroponic irrigation system. This research may develop the knowledge that applied to application of solar panel system and to modify hydroponic planting systems by using solar panels to regulate the air circulation in plants. This study used an experimental method which conducts in Kelurahan Nyiur 1, at Wenang village. The data was obtained and analyzed descriptively. The results of the application of solar panels as a source of electricity for the system consist of several main components, namely the charger controller, relay, power supply, ats initial dc laptop, timer controller and 12 volt dc water pump. The result shows that solar panel application as an electric source of hydroponic system works well and so does the works of timer controller as water pump controller. Keywords: Solar panels, charger controller, Hydroponics, Deep Flow Technique Abstrak Tujuan penelitian ini adalah mendesain sistem rangkaian listrik menggunakan panel surya untuk kebutuhan listrik pompa irigasi sistem hidroponik. Manfaat penelitian ini yaitu mengembangkan ilmu pengetahuan yang diterapkan pada aplikasi sistem panel surya dan memodifikasi sistem tanam hidroponik menggunakan panel surya agar sirkulasi air pada tanaman bisa terkontrol. Penelitian ini mengunakan metode eksperimental yang dilaksanakan di Kecamatan Wenang Kelurahan Nyiur Lingkungan 1 dimana data yang didapat dianalisis secara deskriptif. Hasil aplikasi panel surya sebagai sumber listrik sistem terdiri dari beberapa komponen utama yaitu charger controller, relay, power supply, ats dc awallaptop, timer controller dan pompa air dc 12 volt. Hasil penelitian menunjukan aplikasi panel surya sebagai sumber listrik sistem hidroponik dan cara kerja timer controller sebagai pengontrol pompa air, dapat bekerja dengan baik. Kata kunci: Panel surya, charger controller, Hidroponik, Deep Flow Technique
Co-Authors Alden M. Saiya Audry Agatha Lenak David P. Rumambi Feky R. Mantiri Frangky J. Paat Meicsy Eldad Israel Najoan Nio Song Ai Rijuniansi Grishella Rishelbi Silitonga Susan M Mambu