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| Registros recuperados: 2.625 | |
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| Amanor, Ishmael Nartey; Bobobee, Emmanuel Yaovi Hunnuor. |
| In Ghana a lot of products are produced from cassava roots, but processing of most cassava product requires peeling. Cassava peeling in Ghana is a major manual activity, which is time consuming and labour-intensive and hence requires mechanization. About 34% of freshly harvested cassava roots is lost along the food chain and faster processing is necessary to curb this situation. The development of an efficient equipment to help fast-track peeling of cassava root is key. A motorized cassava peeler with four different lining materials (concrete, metal, rubber and wood) was developed and tested with two local cassava varieties (Asi-Abayiwa and Dabon). The batch loading weight, peel removal efficiency, percent flesh loss and peeling capacity of the peeler was... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Peeling; Cassava; Testing; Capacity and Design. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6775 |
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| ajayi, oluwadunsin seun. |
| The conservation of water is crucial to sustainable agricultural production during dry season when there is little or no rainfall to improve crop production. Thus this study is aimed to evaluate the effects of different levels of water applications on the growth, yield and water use efficiency of Okra under drip irrigation system during dry season. 16 drip irrigation plots (2x2m2) were established following a 4x4 completely block design with equal replicates to determine the water consumptive use of Okra. The growth, yield and water use efficiency of Okra under four different irrigation management i.e irrigation water applied at 100FIT (full irrigation treatment), 80FIT, 60FIT and 40FIT were measured. Results showed highest growth parameters being observed... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Okra yield; Water Use Efficiency; Irrigation Treatment. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6381 |
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| Babalola, Ayoola Abiola; O, David Adekunle; O, Opafola Bolaji; Adisa, Alex Folami; Solana, Olufunmi I; Otele, Mayokun David. |
| Snail meat is an alternative source of rich protein in the tropics and an important part of many diets. Despite its wide popularity as a cheap source of dietary protein, very little investments have been made into the processing of snail meat in terms of processing equipment and other value addition technologies. Up till now, many farmers utilize manual methods in breaking snail shells which are very demanding and tiring. Furthermore, existing technology of snail shellers are not only expensive but the technology is beyond the reach f many local farmers thereby discouraging many from exploring the abundant potentials of the processing value chain. Hence, this study designed and evaluated a snail shell cracking machine using standard engineering procedures... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Mechanical deshelling; Snail processing; Value addition. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6783 |
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| Eghbali, Milad; Mirzaee - Ghaleh, Esmaeil; Lorestani, Ali Nejat; Rabbani, Hekmat; Khoramivafa, Mahmud. |
| Soil plays an important role in the sustainability of ecosystems. In recent years, the increasing growth in the degradation of soil resources has drawn attention to management strategies for maintaining the soil quality. Researchers have recently studied the impact of using biochar on physical and chemical properties of soil. It has been found that adding biochar improves the soil quality. Some factors such as pyrolysis chamber conditions, pyrolysis peak temperature and air flow rate affect the physical and chemical properties of biochar including the density, pH, ash content, and so on. In this study, the effect of changes in the air flow rate and chamber temperature in the fixed-bed oxidative pyrolysis on the biochar yield, ash content, density and pH... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6419 |
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| Ikegwu, Onyekachi John. |
| The thermal conductivity of agricultural seeds has been used as engineering parameter in the design of process and machines for drying, storing, aeration and refrigeration. The thermal conductivity of white and red pigeon pea seeds with changes in moisture content and temperature was investigated using the transient heat transfer method. The thermal conductivity of white and red pigeon pea seeds increased from 0.2387 to 0.3497 Wm-1k-1 , and 0.2375 to 0.3425 Wm-1k-1 respectively, as the moisture content increased from 5 to 35% w.b. Thermal conductivity of white and red pigeon pea seeds increased significantly (p<0.05) from 0.2643 to 0.3543 Wm-1k-1 , and from 0.2711 to 0.3311 Wm-1k-1 respectively, as temperature increased from 10 to 70 ℃. The... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Thermal conductivity; Pigeon pea seeds; Moisture content; Temperature; Activation energy. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6065 |
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| LAK, MohammadBagher. |
| Timely detection of water stress in agricultural crops is important. In this paper, a smart classification algorithm was developed to detect water stress in tomato plants that were grown in the greenhouse. During the growth period, thermal and visible light images were acquired from the canopy tops in two states: (1) plants in normal conditions; and (2) plants under water stress. Images were obtained using a camera that recorded simultaneous frames of thermal and visible (red, green, and blue (RGB)) features. Based on these features, 22 parameters were defined and applied to classify the image frames. In order to develop an efficient algorithm, principal component analysis (PCA) was applied to optimize the classifying of parameters. For normalizing the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Image classification; MLPNN; Normalization; PCA; Precision farming. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6343 |
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| Azarpazhooh, Elham; Sharayei, Parvin. |
| There is a growing demand for fresh cut, value-added and ready-to-use food in households, as well as for widespread use in retail, food services and the various food industries. Amongst vegetables, onions have many medicinal properties and can lead to health.This study evaluated the effect of disinfection methods including; T1: Nisin & Citric acid (N+C), T2: Sodium hypochlorite (SH+S+C), T3: Calcium chloride+ Ascorbic acid+ Citric Acid (CC+AS+CA);T4: Control,during 21 days storage at 4°C on onion pure (OP). Each week, pH, soluble solids, acidity, weight loss, total phenolic compounds antioxidant activity and microbial tests (total microbial count, total molds and yeasts) were performed on the samples. Statistical analysis of the data by way of a... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6729 |
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| sorkhi, farshad; Khomari, Saeid. |
| Abstract To investigate the effect of water deficit stress on yield and osmotic regulator of tetraploid and hexaploid wheat genotypes an experiment was carried out at Research Station of Islamic azad university of Miandoab in 2015. The soil texture of experimental site was sandy loam. The research field was located in a semi-arid region. This experiment was conducted as factorial based on completely randomized block design with three replications. Water deficit levels were A: control (normal condition), B: no irrigation of fertilization stage, C: no irrigation of grain filling stage. Studied genotypes were hexaploid of bread wheat ‘Sabalan’ and ‘Zarrin’ and tetraploid of durum wheat ‘Syrian-4’ and ‘Zardak’. Plant density was 400 plants.m-2. In the present... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/5903 |
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| Nurrohman, Reza Kusuma; Nugroho, Bayu Dwi Apri; Sudira, Putu; Ngadisih, Ngadisih; Murtiningrum, Murtiningrum. |
| Rainfall distribution pattern is very important for sustainable production in the agricultural sector in Tropical region. The near future rainfall amount under changing climate was predicted from 2009 to 2028 by Adaptive Neuro Fuzzy Inference System (ANFIS), which was trained with the rainfall observation data from 1979 to 2013, spatiotemporally in the Central Java Province, Indonesia. Our analysis showed that the predicted rainfall data using ANFIS can represent actual rainfall conditions. Rainfall predicted from 2009 – 2028 in Central Java will experience a decrease in high rainfall in an area of 1615125,2 hectare, which can cause drought. The area that predicted to experience drought in the future are Kebumen, Jepara, Pati, Rembang, Kudus, Grobogan,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Climate Change; Rainfall Pattern; ANFIS; Drought; Central Java. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6461 |
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| Gazor, Hamid Reza; Roustapour, Omid Reza. |
| Handling systems in seed processing factories inflict impressive damages on seed corn. It was reported 24% of damages on seed corns related to elevators. In current research, the operation of a Z- Shape elevator was studied and compared to conventional bucket elevator which employed in two seed drying stations of Seed and Plant Improvement Institute in Karaj city and Shahi plant in Moghan plain, Iran. The effect of elevator operation on seed cracking and breakage was determined by t- test. According to the results, applying Z- Shape elevator decreased the physical seed damages up to 78% and reduced the chance of seed cracking between 4 to 8% in comparison with conventional elevators. Economically results illustrated spending the cost equal to 10% of the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Conveying system; Corn; Loss; Seed; Z- Shape elevator. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6689 |
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| Owolarafe, Oseni Kehinde; Bello, Taiwo Kolade; Ogunsina, Babatunde Sunday; Falana, Olumide Babatope; Adetifa, Babatunde Olusola; Ogunseeyin, Obafemi. |
| A multipurpose cabinet dryer was designed, constructed and tested using locally available materials. The system comprises a heating chamber, heat exchanger, drying trays, 3-phase blower, three heating elements of 1800 W each, and a control box, which consists of temperature control, contactor, thermocouple, and circuit breaker. The dryer was evaluated based on power consumed, moisture removal, drying rate, and drying efficiency. The result showed that the energy consumed when drying plantain chips, moringa leaves, okra, and locust beans are 346.55, 55.92, 110.63 and 49.64 kJ, respectively. The energy consumed increased with an increase in the moisture removed and drying time. Similarly, the drying rate for plantain chips, moringa leaves, okra, and locust... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Small-scale dryer; Crops; Moisture content; Drying rate; Drying efficiency. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6687 |
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| Ben Nasr, Rima; El Melki, Mohamed Nejib; El Moueddeb, Khaled; Kairouani, Lakdhar. |
| Cereal quality preservation is traditionally the accountability of grain storekeepers who count on profound knowledge discovered through scientific research. The main purpose of this research study was to predict the evolution of wheat temperature in unaerated silo during storage period under Tunisia climate. First, a bidimensional mathematical combined model (silo wall model + heat transfer model in grain bulk), which describes the distribution of the unsteady temperature in a cylindrical grain storage system, was presented and simulated using the parabolic solver incorporated in the Matlab 2015a environment. Mesh refinement at the shortest boundaries, including triangular elements, was adopted to simulate storage temperatures. In this numerical model,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Grain storage; Grain temperature; Wheat; Numerical study; Experimental study; Mediterranean climate. |
| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/7137 |
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| Mostafa, Harby; Moursy, Ahmed; El-Ansary, Moamed; Hatata, Maysa. |
| A field experiment was conducted to study the effect of fertigation components on emission uniformity, emitter clogging and soil infiltration rate. The effects of two types of emitters with two discharges and six fertilization treatments were undertaken. For all fertilization treatments, the emission uniformity significantly decreased while emitters clogging ratio increased with increasing number of fertigations which were periodically applied throughout the 180-day season. The 4 Lh-1 discharge emitters resulted in less clogging than the 2 Lh-1 emitters. Clogging problems obtained with the pressure compensating (PC) emitters was less than those of normal emitters. The maximum clogging ratios 29.42% and 28.72% at the end of 180days season were recorded for... |
| Tipo: Info:eu-repo/semantics/article |
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| Ano: 2021 |
URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6335 |
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| Registros recuperados: 2.625 | |
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