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All Journal Jurnal Teknologi Pertanian Andalas Journal of Agriculture (JoA)
Satria Adi Surya
Universitas Andalas
Agriculture, Biological Sciences & Forestry Computer Science & IT

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ANALISIS PEMILIHAN ALTERNATIF PENGENDALIAN GULMA PADA TANAMAN JAGUNG DI NAGARI AIA GADANG KABUPATEN PASAMAN BARAT Satria Adi Surya; Santosa Santosa; Renny Eka Putri
Jurnal Teknologi Pertanian Andalas Vol 27, No 1 (2023)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jtpa.27.1.126-135.2023

Abstract

Penyemprotan adalah salah satu teknik pengendalian gulma dengan cara mengaplikasikan herbisida dengan disemprotkan pada gulma yang terdapat di lahan. Penggunaan alat semprot sistem manual dan semi mekanis banyak digunakan di beberapa wilayah hanya saja masih memiliki banyak kekurangan.  Pemilihan alat yang sesuai untuk diaplikasikan diharapkan akan mampu meningkatkan produktivitas jagung. Penelitian ini bertujuan mengetahui nilai beban kerja, efektifitas (kapasitas kerja efektif) penyemprotan yang digunakan serta menganalisis tipe penyemprotan yang terbaik ditinjau dari beberapa aspek yaitu: aspek teknis, ergonomika, aspek finansial, dan aspek lingkungan. Parameter yang diukur meliputi debit, kapasitas keluaran cairan, distribusi sebaran, kecepatan maju operator, kapasitas lapang teoritis, kapasitas lapang efektif, efisiensi penyemprotan, kecepatan angin, dan biaya operasaional alat serta daya operator. Pelaksanaan penelitian dilakukan terhadap 3 metode penyemprotan yaitu knapsack sprayer, electric Sprayer, dan boom Sprayer. Pengujian dan pengamatan dilakukan dalam 3 kali ulangan dengan luasan masing-masing plot adalah 20 m x 10 m. Dengan demikian total luas plot pengamatan yang dibutuhkan 9 x 20 m x 10 m. Berdasarkan penelitian diperoleh rata-rata.hasil pengukuran debit untuk boom sprayer sebesar 0,02486 liter/detik, rata-rata kecepatan maju operator  0,265 m/detik, dan Efisiensi rata-rata dari boom sprayer adalah 76,31 %. Beban Kerja berdasarkan kebutuhan daya dari operator pada boom sprayer adalah 0,041 kW dengan biaya pokok Rp 207,76/liter. Berdasarkan hasil rekapitulasi hasil yang mencakup berbagai aspek maka alat semprot yang terbaik yaitu boom sprayer dikarenakan lebih unggul untuk kerja lapang teoritis, efektif, efisiensi lapang  dan biaya pokok paling rendah bila dibandingkan dengan knapsack sprayern dan electrick sprayer
Modification of Power Sprayer as a Pest Spraying Tool for Citrus Plants (Citrus sp.) Surya, Satria Adi; Mulianda, Pratiwi; Damanik, Annisa Purnamasari; Fitrada, Wathri; Rahmania, Syiffa
Journal of Agriculture Vol. 4 No. 02 (2025): Research Articles July 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v4i02.6784

Abstract

This study, titled “Modification of Power Sprayer into a Pest Spraying Tool for Citrus Plants (Citrus Sp),” was conducted in Gunuang Omeh Sub-district, Lima Puluh Kota Regency, from September to October 2024. The objective was to assess the efficiency of a power sprayer and the effectiveness of pest control on citrus plants. The research involved modifying the nozzle of the power sprayer and conducting field tests on a 20 x 20 meter plot. Observations included flow rate, insecticide output capacity, spray distribution, operator walking speed, theoretical field capacity, effective field capacity, spraying efficiency, wind speed, and operator power. In addition, the performance of the power sprayer was compared with that of a knapsack sprayer. Based on the results, the average flow rate was 0.008874 L/s; average droplet size from the power sprayer was 0.3611 mm; average operator walking speed was 0.0413 m/s; average theoretical field capacity was 0.076764 ha/h; average effective field capacity was 0.058789 ha/h; average wind speed was 1.22 km/h; and average operator power was 0.227 kW. The average spraying efficiency of the power sprayer and knapsack sprayer was 76.66% and 60.66%, respectively. These findings indicate that the power sprayer is more efficient than the knapsack sprayer, as it requires less time, less physical effort, and delivers a comparable spray output. Furthermore, the power required by the operator when using the power sprayer is lower than that of the knapsack sprayer.
Application of Capillary Irrigation Systems on Land (Paddy Field Soil, Field Soil and Farm Soil) Rahmania, Syiffa; Candra, Aldo Deska; Zulfakri, Zulfakri; Surya, Satria Adi
Journal of Agriculture Vol. 4 No. 02 (2025): Research Articles July 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v4i02.6789

Abstract

Capillary irrigation utilizes water from a water source to a reservoir, where plants absorb it through a wick. Soil porosity is a functional space connecting the soil body with its environment. Water loss is a complex phenomenon in a water distribution system that refers to the volume of water lost between the production source and the point of consumption. Moisture content is the amount of water contained in a material and is expressed as a percentage of the material's wet or dry weight. The capillary irrigation system was designed using a 1.5 L aqua bottle and flannel cloth as a water delivery medium with varying cloth placement depths (2 cm, 4 cm, and 6 cm). This system was applied to paddy fields, farms, and field soil. The parameters observed included soil porosity, moisture content, and water loss. Based on the study's results, farm soil had the highest porosity with an average of 81.3%, followed by field soil at 77.7% and paddy soil at 75.3%. The results of moisture content observations show that farm soil has the highest moisture content with an average of 94.67%, followed by paddy soil at 77.38% and field soil at 68.17%. Based on weekly water volume data, farm soil has the highest average water volume at each axis depth, followed by field soil, and the lowest is paddy soil. Capillary irrigation works effectively. Farm soil has the highest porosity and moisture content and is best for aeration and drainage.
Effect of Extraction Time on the Yield and Color Characteristics of White Pepper (Piper Nigrum L.) Oleoresin Damanik, Annisa Purnamasari; Surya, Satria Adi; Mulianda, Pratiwi
Journal of Agriculture Vol. 4 No. 02 (2025): Research Articles July 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v4i02.6793

Abstract

This study investigates the effect of extraction time on the yield and color characteristics of white pepper (Piper nigrum L.) oleoresin using the microwave-assisted extraction (MAE) method compared to conventional maceration. White pepper powder was extracted with 96% ethanol at four MAE durations (30, 60, 90, and 120 minutes) under a maximum controlled temperature of 50 °C, with maceration for 420 minutes as control. Results showed that MAE at 120 minutes produced the highest yield (10.370%), followed by 90 minutes (9.457%), 30 minutes (8.760%), and 60 minutes (8.323%). Conventional maceration yielded 8.610%, which was lower than MAE at 30 and 90 minutes, indicating higher efficiency of MAE even at shorter durations. Color analysis using CIELAB and RGB systems revealed that MAE at 90–120 minutes yielded brighter oleoresin (L > 56) compared to maceration (L = 53.33), while chromatic values (a and b) remained stable. Linear regression analysis showed a strong positive correlation between extraction time and yield (y = 0.1058x; R² = 0.8819), indicating that each additional minute increased yield by ~0.1058%. The findings suggest that MAE is a time-efficient method that enhances both yield and color quality of white pepper oleoresin, with optimal results obtained at 90–120 minutes.
Optimization of Drip Irrigation System to Improve Water Use Efficiency and Tomato Crop Productivity Mulianda, Pratiwi; Damanik, Annisa Purnamasari; Surya, Satria Adi
Journal of Agriculture Vol. 4 No. 02 (2025): Research Articles July 2025
Publisher : ITScience (Information Technology and Science)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47709/joa.v4i02.6810

Abstract

This literature review explores the optimization of drip irrigation systems to improve water use efficiency (WUE) and tomato crop productivity, particularly under dryland conditions. Four key studies were analyzed, focusing on hydraulic performance, integrated technologies, and agronomic outcomes. Sharu and Razak (2020) demonstrated that hydraulic modeling using EPANET achieved excellent water emission uniformity (CU and EU > 95%) with potential for energy savings through optimized pump power. Nurazila and Anggraini (2022) reported that drip irrigation significantly enhanced vegetative growth and WUE compared to manual irrigation. Suvitha et al. (2021) highlighted that drip fertigation with medium frequency and high NPK dosage maximized yield and WUE in sandy soils. Ramakrishna et al. (2024) found that combining drip irrigation with black plastic mulch resulted in the highest plant growth, fruit yield, and WUE by reducing evaporation. Collectively, the findings confirm that integrating supporting technologies—such as hydraulic modeling, fertigation, and mulching—can significantly enhance drip irrigation efficiency, conserve water, and improve tomato productivity, offering strong potential for adoption in water-limited agricultural regions.
Co-Authors Candra, Aldo Deska Damanik, Annisa Purnamasari Mulianda, Pratiwi Rahmania, Syiffa Renny Eka Putri, Renny Eka Santosa Santosa Sembiring, Rinawati Wathri Fitrada Zulfakri