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Agricultural Engineering Research Directorate

An Overview

The lack of modernization in small-scale agriculture has impeded the growth of the agricultural sector and rural development in Ethiopia. To improve this traditional production method, the agricultural mechanization research department under the then Institute of Agricultural Research (IAR) has been dedicated to provide engineering technologies, particularly pre and postharvest mechanization innovations since 1984. To further enhance its effort the Agricultural Engineering Research was restructured in 2017 and now operate as one of the Directorates within the Ethiopian Institute of Agricultural Research (EIAR).

The directorate plays a crucial role to offer engineering technologies and innovative solutions to improve land, water, and labor productivity, as well as minimize product losses and optimize resource utilization in a sustainable way. Its main goal is driving the advancement of Ethiopian agriculture and the promotion of industrial transformation. The directorate comprised three research programs actively engaged in research activities focused on adaptation, development, promotion and transfer of proven technologies. The research programs under the directorate are Agricultural Field Machinery, Post-Harvest Handling and Product Processing and Farm Power & Rural Energy Research Program.

Objectives

  • Avail pre and postharvest mechanization technologies to effectively enhance production and productivity, leading to a direct positive impact on Ethiopia’s food security, economic  and inclusive growth,  and social benefits 
  • Reduce land degradation and open up opportunities for sustainable land and water resource management
  • Introduce and improve local manufacturing capabilities through reverse engineering, reducing reliance on imports and conserving foreign currency.
  • To train technicians and users on the proper handling and operation of mechanization and postharvest technologies

Agricultural Field Machinery Research Program

The Agricultural Field Machinery Research Program, which falls under the Agricultural Engineering research directorate, is a key focus area within the Agricultural Engineering research directorate. This program plays a crucial role in availing mechanization technologies in collaboration with key stake holders and play a significant role in improving agricultural production and productivity, through optimal use of inputs, timeliness of field operation, improved labor productivity and lower production costs which in turn has a clear implication on the food security of Ethiopia and the welfare of the farmer. Furthermore the program aims to reduce drudgery and domestic workload, ensure gender equality and create job opportunities to make rural areas attractive locations.

This comprehensive research program encompasses a wide range of activities, including the selection, adaptation, promotion, manufacturing, transfer, efficient use, repair, and maintenance of mechanical devices such as powered machinery, implements, and tools. These mechanical systems are vital components of agricultural operations and play a crucial role in managing agricultural production. They work in tandem with other essential inputs like seeds, fertilizer, water, labor, and time to optimize agricultural processes. While tractors and agricultural machinery are often associated with mechanization, it is important to note that the research program extends beyond this equipment and covers various aspects of agricultural field machinery.

Research outputs/Achievements

Several technologies mainly addressing tillage and planting operation for cereal grain crops smallholder farmers need were developed/adapted and demonstrated to reached end users.  The followings are some of the released technologies.

 

  • Developed and widely promoted animal drawn tillage implements (erf and mofer attached moldboard plow, ripper, tie ridger, winged plow
  • Developed tractor drawn tillage and planting implements (row planter, lime applicator, ridger, land leveler)
  • Developed and demonstrated front pack tef row seed drill
  • Conducted wide demonstrate events on the usability  of walking tractor
  • validated conservation tillage techniques  with the use of different source sources (big tractor walking tractor  and animal power based )
  • Trained a number of tractor operates, farmers, DAs, rural technology promotion centers and private manufacturer on fabrication and maintenance of improved technologies.

Post-Harvest handling and Product Processing Engineering Research Program

The Agricultural Engineering research directorate’s postharvest research program is instrumental in minimizing post-harvest losses, elongating the storage period and maintaining the quality and competitiveness of agricultural products. Through the implementation of postharvest handling and processing research activities, the program aimed to introduce advanced labour saving efficient technologies/practices for harvesting, drying, threshing/shelling, cleaning, and storage. Additionally, it strives to improve the accessibility and availability of these solutions, while creating rural employment opportunities, alleviating the burden on women to ensure gender equality and promoting the development of agro business in rural areas.

Research outputs

Over the past three decades, several innovative postharvest technologies have been successfully developed, evaluated, and demonstrated for improved handling and primary processing of agricultural products.

Some of these technologies (listed below) have been promoted to smallholder farmers and transferred to manufacturers with complete packages to reach the end users. By introducing suitable postharvest technologies significant reductions in postharvest losses and labor requirements have been achieved. To ensure wider adoption of these technologies, it is crucial to provide farmers with access to technical knowledge and appropriate equipment through training and on-farm technology demonstrations. Below is a list of the main research outcomes that have been promoted and implemented as part of the research program.

  1. Postharvest handling and processing of Grain Crops: 1) Pedal and motorized maize shellers, 2) engine driven multi crop threshing and cleaning machine for wheat, barley, rice, sorghum and tef,  3) Bean thresher, 4) hermetic storage facilities (metal silo and PICs bag), 5) Reaper  harvesters, 6) Sorghum dehuller, and 7) Rice milling machine 8) Small engine/ electric motor powered seed cleaning and grading machine
  2. Postharvest handling and processing of perishable crops: 1) Improved cassava slicing machine 2) Mango pulpier, 3) Reactance window drier 4) manual fruit harvester, 5) naturally ventilated onion and potato storages, 6) evaporative cooling storage facilities 7) Turmeric slicer
  • Animal feed and product processing devices: feed chopper, milk churner, and chicken meat processing devices (killing cone, scalder, pucker, and evisceration table).

Farm Power & Rural Energy Research Program

The Farm Power and Rural Energy Program, a newly established research program under Agricultural Engineering Research, aims to develop efficient and environmentally friendly farm power and energy technologies to enhance productivity in Ethiopian agriculture. The program recognizes the challenges faced by farmers in accessing reliable and sustainable energy sources and is committed to addressing these issues. The program focuses on identifying research gaps, developing innovative technologies, and advocating for policies that promote equitable energy access in rural areas. The program strives to empower smallholder farmers with modern energy solutions for cooking, agro-processing, lighting, and water pumping.

In the short term (1-5 years), the program’s research initiatives will concentrate on developing energy-efficient cooking technologies, promoting the use of renewable energy sources for agro-processing, and exploring affordable lighting solutions for rural communities. Over the medium term (5-10 years), the program’s efforts will shift towards improving the efficiency of water pumping systems and creating sustainable energy solutions for post-harvest storage and processing. In the long term, the program aims to establish a robust research and development framework to foster continuous innovation in farm power and rural energy technologies.

The expected outputs and deliverables of the program’s research include the development of efficient and environmentally friendly farm power and energy technologies, policy recommendations for the implementation of sustainable energy programs, capacity building initiatives to train farmers and technicians on modern energy technologies, and technology transfer activities to ensure widespread adoption of efficient farm power and rural energy solutions. Furthermore, the program aims to raise awareness among stakeholders about the benefits of sustainable energy use and foster partnerships for the successful implementation of research finding

Research outputs

  • Tested and proved the suitability of walking tractors for different application
  • Evaluate and proved the performance of Solar powered Water Pump