Taxation is a fundamental source of revenue for governments, to provide public goods andadvancing broader development objectives. These objectives are typically achievedthroughthe implementation of policies, strategies, ...
Dr. Venkatesan Govindarajian; Dr. Habtamu Alemayehu(Haramaya University, 2025-01)
Various machining conditions are utilized to improve the machinability of metals. However,
some materials, such as EN C60 carbon steel, are challenging to process conventionally due to
their inherent properties. EN C60 ...
We are observing a revolution in wireless technology, where the society is demanding new
services, such as smart cities, autonomous vehicles, augmented reality, etc. These challenging
services not only are demanding a ...
MUSTAFA KEDIR HAJI; Dr.Degnent sultan (PhD)(Haramaya University, 2024-03)
Drip irrigation or trickle irrigation is a type of micro-irrigation system that has the potential
to save water and nutrients by allowing water to drip slowly to the roots of plants, either from
above the soil surface ...
Tomato (Lycopersicon esculentum Mill.) is one of the world's most widely produced and
consumed fresh vegetables. The postharvest losses in tomatoes are a serious problem, because
of rapid deterioration during handling, ...
Tigist Alemayehu Hailu; Dr. Eng. Solomon Abera; Dr. Girma Moges(Haramaya University, 2024-11)
Fogera is one of the woredas in the South Gonder Zone and known for its high production of rice. The research aims to assess the status of mechanization, identify various energy forms utilized in rice production, estimate ...
Ethiopia is one of the countries with a large honey producing potential in Africa. However, its actual annual honey production is limited due to poor methods of harvesting, handling, and extraction. The high cost of imported ...
Tella is among the fermented alcoholic beverages that are made from cereal grains and prepared
traditionally on a small scale, typically for local consumption in Ethiopia. Hence, it is important to
modify its preparation ...
Milkessa Alemu Seyum; Dr. Solomon Abera(Haramaya University, 2024-12)
Carrot is one of the widely produced and consumed root vegetables in Ethiopia. Carrot
harvesting was practiced by traditional method using metal hoe, which is characterized by high
man-hour requirement, drudgery and ...
JEGNAW TESFAYE GEBEREMICHAEL; Dr. Habtamu Alemayehu (PhD); Dr. Venkatesan G.(Haramaya University, 2024-03)
Nowadays, to improve the machinability of a product, different coolants and lubricants are in
use. However, their costs and their adverse effects on human and environment have become
serious concerns. Therefore, it is ...
Soil Moisture is a key component of the hydrological cycle and plays a crucial role in agricul-
tural productivity, water resources management, and ecosystem health. The present study aims
to simulate soil moisture using ...
Ethiopia faces droughts due to population growth, water resource imbalances, and land
degradation. Inadequate irrigation technology hinders food security and income. Kersa
Watershed's irrigated agriculture lacks ...
To enhance shelf life, prevent spoilage, and preserve nutritional value, processing pulses is very
essential and critical. Milling pulses is the removal of grain coat to produce polished grain and
cleavage of the two ...
xvii
DESIGN, MANUFACTURING AND PERFORMANCE EVALUATION
OF ENGINE DRIVEN BARLEY DEHULLER
ABSTRACT
The conventional method of dehulling barley grains involves the use of milling machines or
pounding in a mortar with ...
Watermelon seeds are the most nutritious seeds. It might produce oil but is typically discarded as food waste
once the fruit is consumed. This study aimed to determine how extraction time and roasting temperature ...
FREE ZIYAD; Dr. Dadapeer Bashir (PhD); Dr. Habtamu Alemayehu (PhD)(Haramaya University, Haramaya, 2024-03)
In the machining process large amounts of heat are generated, and in order to remove them, it
is necessary to utilize cutting fluids or adequate cooling agents, both of which are significant
sources of waste production ...
Ethiopia has a diversified agro-ecology, which makes the production of a wide range of cereal
crops possible. The major cereal crops are produced almost in all regions of the country though
there are variations in volume. ...
Drought is recognized as a major climatic hazard and a critical development and
environmental challenge in Ethiopia’s Somali Region. This study investigates the impact of
climate change on agricultural and hydrological ...
Eden Tadele; Asfaw Kebede (Ph.D)(Haramaya University, Haramaya, 2023-08)
There is a growing global focus on the impacts of land-use land-cover (LULC) change on soil
resources, particularly due to its significant impact. Soil erosion, a crucial environmental issue
of great magnitude, is ...
Groundwater is a valuable and important natural resource for humankind for drinking,
industrialization and irrigation in present day, but the availability is reduced gradually
due to over exploitation and lack of management. ...