Browsing by Author "Abad, Rosalinda L."

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    Acceptability assessment of a locally developed onion harvester hand tractor in La Union, Philippines
    (E3S Web of Conferences, 2023) Abad, Rosalinda L.; Buccat, Hipolito C.; Tam-awen, Zion Jemillinium S.; Pagaduan, Jessica A.
    Onion farmers’ attitude toward a locally developed onion harvester in the Philippines has been unstudied due to the unavailability of the machine. Based on a respondent of 26 onion farmers, an acceptability assessment of the onion harvester was implemented. Data were gathered using questionnaires at two activities of actual hands-on operation and lectures and analyzed using fisher’s exact test. The ease of operation, cleaning and maintenance, safety of operation, ease of transport, technical field performance, adaptability, and investment viability were relevant attributes used in the acceptability of the onion harvester. The majority of the respondents positively accept the onion harvester. The user operation, cleaning and maintenance, ease of transport, adaptability, and investment viability are correlated positively to the willingness to buy or rent the machine. Conversely, user safety, technical performance, and aesthetics are not correlated with adoption. Since 38.5% of the farmers have no hand tractor, the preferred acquisition is renting the onion harvester.
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    Agricultural Mechanization and Machinery Management (AE 157)
    (Don Mariano Marcos Memorial State University - North La Union Campus, 2020) Abad, Rosalinda L.
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    Design and evaluation of locally- designed peanut digger
    (INMA Bucharest, 2024) Abad, Rosalinda L.; Jacla, Frank Michael L.; Buccat, Hipolito C.; Gañola, Paul James C.; Sapitula, Alliver P.
    Manual peanut digging in the Philippines is still a practice due to the unavailability of low-cost mechanical diggers adaptable to local field conditions. Hence, the peanut digger design and evaluation were developed. The design involves benchmarking local field practices, ANSYS analysis of the digger blade, and CAD drawing. It is designed to dig, lift, convey, and drop the peanut stalk in a windrow. Its main parts are the main frame, digger blade, belt stalk conveyor, power transmission system, and hitching system. The pulling force and power requirement for the peanut digger is 1, 387.48 N and 2.0 hp, respectively. The performance measures are the belt stalk conveyor speed levels at 205 rpm, 410 rpm, and 615 rpm, replicated three (3) times with three (3) plots per replication. They revealed an actual field capacity, digging efficiency, and mechanical physical damage of 0.025 ha/h, 95.31%, and 0.56%, respectively. Investing in the machine is economically viable with a benefit-cost ratio (BCR) of 2.09, a break-even point (BEP) of 5.33 ha/yr, and a payback period of 1.60 years. This implies that digging operations wider than 5.33 ha/yr start profit generation for farmers. © (2024), (INMA Bucharest). All rights reserved.
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    Machinery for peanut harvesting:
    (INMATEH - Agricultural Engineering, 2025) Abad, Rosalinda L.
    Peanuts are an important source of oil and feed crops. It is vital to elevate the economy and feed the increasing population. Due to urbanization, the decrease and aging of the workforce threaten the agriculture sector. Consequently, countries around the world are urgently in need of innovation, particularly from an adoptable peanut harvesting technology perspective. As a result, this work focused on reviewing the developments in peanut harvesting, emphasizing the impacts of manual to mechanical harvesting methods. Specifically, mechanical harvesting is affected by soil characteristics, peanut plant characteristics, maturity at harvest, land size, peanut harvesting methods, and the importance of innovating peanut harvesting machinery. This endeavor covers legitimate scientific publications from 2010 to 2023, sustained by online public data from different government agencies. The review ends with the recommendation for standardization of peanut harvester machine specifications and testing methods to easily compare machine performances, aiding farmers, researchers, and industry stakeholders in better decisions when selecting mechanical peanut harvesters. Further, standardizing testing methods could establish operational efficiency and foster innovation and improvement within the industry. Ang mani ay isang mahalagang produktong pinagkukunan ng langis at pagkain na may mahalagang papel sa pagpapalago ng ekonomiya at sa pagtugon sa pangangailangan ng patuloy na dumaraming populasyon. Gayunman, dahil sa mabilis na urbanisasyon, ang patuloy na pagbawas at pag-edad ng mga magsasaka ay nagdudulot ng seryosong banta sa sektor ng agrikultura. Bunga nito, may agarang pangangailangan ang bansa para sa mga makabagong teknolohiya sa pag-aani ng mani. Nakatuon ang pag-aaral na ito sa pagsusuri ng mga pag-unlad sa teknolohiya ng pag-aani ng mani, na binibigyang-diin ang paglipat mula sa manwal patungo sa mekanikal na mga pamamaraan. Tinatalakay rin ang mga aspeto na nakaaapekto sa paggamit ng makinarya sa pag-aani, kabilang ang mga katangian ng lupa, morpolohiya at antas ng kahandaan ng halaman sa pag-aani, lawak ng sakahan, at mga pamamaraang ginagamit sa pag-aani, gayundin ang kahalagahan ng patuloy na inobasyon sa makinarya. Sinasaklaw ng pagsusuring ito ang mga lehitimong publikasyong siyentipiko mula 2010 hanggang 2023, na sinusuportahan ng mga pampublikong datos na makukuha sa internet mula sa iba’t ibang ahensiya ng pamahalaan. Iminumungkahi ng pag-aaral ang istandardisasyon ng mga espesipikasyon at pamamaraan ng pagsusuri ng mga makinang pang-ani ng mani upang mapadali ang paghahambing ng pagganap, mapabuti ang kahusayan sa operasyon, at maisulong ang patuloy na inobasyon sa industriya.
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    Rice Machinery Requirement in La Union, Philippines:
    (Recoletos Multidisciplinary Research Journal, 2021) Abad, Rosalinda L.
    The implementation of the Republic Act No. 11203 mandates the development of a just and appropriate agricultural mechanization strategy. Thus, this study is conceptualized to calculate the rice machinery requirement and the mechanization level of La Union, Philippines. The utilization rate of existing machinery considers 100% and 70% in case the calculation is surplus. Furthermore, this aims to validate if there is no machinery requirement despite the 30% decrease in utilization rate. Hence, the results have revealed a need for 674 units of riding-type transplanters, 31 units of a rice combine harvester, 422 units of recirculating dryers, and 61 units of multi-pass rice mills. The rice mechanization level is moderately mechanized. However, only tillage operation is moderately mechanized; the transplanting, harvesting, drying and milling are low mechanised. These findings could serve as bases in the formulation of policies and strategies prioritizing suitable areas for machinery intervention in the province.