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Jurnal Keteknikan Pertanian Tropis dan Biosistem
ISSN 2337-6864 · Department of Agricultural Engineering, Faculty of Agricultural Technology, Universitas Brawijaya · 145 articles in the index
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Journal Article
The Effect of Skimmed Milk Level on the Characteristics ofPhysicochemical and Hedonic Test of Mozzarella Cheese
This study aims to examine how the addition of skimmed milk at different levels affects the physical, chemical and hedonic test characteristics. The research was conducted using a Complete Random Design (RAL) consisting of 4 treatments, namely: control (P0); skimmed milk 2.5% (P1); skimmed milk 5%…
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Journal Article
Simulation of Robusta Coffee Fruit Detachment Dynamics as a Basic Concept for Designing a Selective Vibratory Mechanical Coffee Harvester
This study aims to formulate fruit detachment dynamics as the core concept for designing a selective vibratory mechanical harvester for robusta coffee. Plant-level average fruit removal force (FRF) and fruit mass data from five coffee plants were analysed for three maturity classes identified by…
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Journal Article
Comparative Performance of Lightweight and Medium YOLO Models for Conveyor-Based Chili Ripeness Detection
This study conducts a comparative performance evaluation of lightweight and medium variants of YOLO models, specifically YOLOv8, YOLOv10, and YOLOv12, for real-time chili ripeness detection using digital image analysis. A dataset comprising 1,450 images ofBaskara chili peppers at four ripeness…
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Journal Article
Control System Design and Implementation of Multi Seed Smart Dryer (MSSD) for Smallholder Farmers
This study presents the design and implementation of the Multi-Seed Smart Dryer (MSSD) control system. Other research objectives include developing a simple, low-cost, low-energy consumption dryer. The MSSD is designed to be more suitable for seed farmers.The methodology comprises engineering…
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Journal Article
Deep Neural Network-Based Estimation of Irrigation Water Requirements for Verticulture and Its Application in Irrigation Management
Vertical farming is a crop cultivation system with a tiered planting medium configuration designed to optimize accessibility, maintenance, and harvesting efficiency. The implementation of modern technology based on environmental sensors allows real-time monitoring of microclimate parameters to…
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Journal Article
Combustion Characteristics and Mechanical Properties of Sugarcane Bagasse Bio-Briquettes: Effects of Charcoal and Tapioca Binder Formulation
Sugarcane bagasse is an abundant agricultural by-product in Indonesia due to high sugarcane production, particularly in major producing provinces. The limited utilization of bagasse may cause environmental problems, highlighting the need for sustainable waste management strategies. This study aimed…
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Journal Article
Repurposing a Consumer Set-Top Box as a Low-Cost Edge Server for On-Device ODE-Based Growth Modeling of Hydroponic Fodder
Conventional hydroponic fodder production relies on manual, non-predictive monitoring, complicating feed planning. This study presents a low-cost edge-computing platform for hydroponic fodder built on a repurposed Linux set-top box (STB), integrated with an environment-driven growth model through a…
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Journal Article
Sustainable Postharvest Preservation of Cherry Tomato Through Combined Ozone Pretreatment and Hypobaric Storage
Cherry tomato (Solanum lycopersicumL. var. cerasiforme) is a highly perishable horticultural commodity that requires proper postharvest handling to maintain quality and extend shelf life. This study evaluated the effects of ozone pretreatment (ozone gas and ozonated water) combined with hypobaric…
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Journal Article
Evaluation of Land Suitability for Oil Palm Based on Geographic Information System in Konawe Selatan District
Oil palm is an important commodity in the industrial sector. Konawe Selatan Regency has begun to develop oil palm plantations in various regions, but land suitability analysis with a spatial approach has never been carried out. This study is important to support oil palm cultivation by taking into…
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Journal Article
The Effectiveness of Potassium Permanganate (KMnO4) As an Oxidizer in Bamboo Charcoal Briquette Production
This research aims to increase the effectiveness of adding Potassium Permanganate (KMnO4) as an oxidizer in the process of making bamboo charcoal briquettes. The research methodology includes several stages, starting from preparing bamboo waste raw materials, the carbonization process to produce…
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Journal Article
Effects of Pretreatment and Freeze Drying on Physical and Functional Properties of Red Dragon Fruit (Hylocereus polyrhizus) Peel Flour
Red dragon fruit (Hylocereus polyrhizus) peel was an underutilized agro-industrial byproduct with high potential as a functional food ingredient due to its pigments and bioactive compounds; however, processing challenges limited its application. This study analyzed the effects of blanching and…
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Journal Article
Estimating Leaf Area from Digital Images Using Numerical Integration Method
Leaves are essential for photosynthesis and plant productivity, making leaf measurement critical for assessing growth and health. Traditional measurement techniques provide useful and interpretable results but are time‑consuming and risk damaging fragile leaves. This study aims to combine digital…
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Journal Article
Drying Kinetics of Foam Mat and Physical Characteristics of Instant Sayur Asam Seasoning Based on Bilimbi (Averrhoa bilimbi L.)
The demand for instant seasonings made from natural ingredients continues to increase in line with the global clean-label trend. However, the production of instant seasonings faces challenges due to the degradation of thermolabile bioactive compounds during conventional drying processes, as well as…
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Journal Article
Integration of Regression Analysis and Spatial Interpolation in Multi-Sensor Soil Calibration Optimization Based on RS485 to Support Precision Agriculture
Technological developments provide significant opportunities to utilisemeasurement equipment to enhance the effectiveness and efficiency of agricultural production. Accurate soil content measurement is very important for evaluating soil quality, helping farmers understand soil conditions and take…
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Journal Article
Optimized ResNet-18 Model for Ripeness Classification of Javanese Long Pepper (Piper retrofractum) Using Reflectance and Fluorescence Imaging
Javanese long pepper (Piper retrofractum Vahl.) is a high-valuable horticultural commodity crop whose quality and bioactive composition depend strongly on fruit ripeness. Conventional visual assessment is oftensubjective and inconsistent, emphasizing the need for an objective and non-destructive…
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Journal Article
Physicochemical Properties of Green Tea Ice Cream Using Whipped cream and Beneng Taro Flour Substitution (Xanthosoma Undipes K.Koch)
The integration of Benengtaro (TB) flour and green tea (TH) powder into ice cream represents a promising approach to developing functional food products. TB flour has a high starch and relatively low fat, making it a potential thickening and stabilizing agent, as well as a fat replacer, for…
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Journal Article
Physical Quality of Drying Curcuma Products as Raw Material for Curcuma Herbal Dip
Curcuma is a rhizome widely used as herbal medicine due to its various health benefits, including increasing appetite and promoting overall health. Herbal medicine in liquid form has a limited shelf life at room temperature and specific refrigeration temperatures. These limitations make traditional…
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Journal Article
Effect of a Fuzzy Neo-Based Temperature Control System on the Physicochemical Characteristics of Sweet Corn Yoghurt
Milk can be utilized as a raw material in yoghurt production. The fermentation process of yoghurt involves Lactobacillus bulgaricusand Streptococcus thermophilusas lactic acid-producing microorganisms. The fermentation temperature is a crucial factor affecting the quality of yoghurt; therefore, an…
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Journal Article
Chemical, Physical and Sensory Characteristics of Powdered Drinks in Various Formulations of Pineapple Juice and Sweet Orange Juice
Fruit powdered drinkproducts can be made by combining pineapple juice (SN) and sweet orange juice (SJ). This study aims to evaluate the chemical, physical, and organoleptic characteristics of powder beverages with various SN and SJ compositions, and determine the optimal formulation. The research…
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Journal Article
N and P Nutrient Uptake Efficiency with Various Combinations of Organic and Biological Fertilization in Biosaline Rice Crops in Saline Soil
Salt-affected soils are marginal environments that constrain plant growth by reducing nitrogen (N) and phosphorus (P) availability and uptake efficiency. This study aimed to evaluate the effects of integrated fertilization combining inorganic, organic, andbiofertilizers on N and P uptake and…