The onion (Allium cepa L.) is a vegetable that belongs to the Alliaceae family and is the most commonly cultivated plant of the genus Allium. Onion output and productivity are governed by a number of factors. One of the factors that influences onion development is the amount of nitrogen fertiliser used. In this regard, the aim of this review paper was to examine the impact of various nitrogen levels on onion growthand yield. Onions are used for a number of medical purposes. Nitrogen is found in a variety of importantplant compounds.Nitrogen is needed for the formation of chlorophyll, proteins, and is a component of several amino acids and other molecules required for plant growth and other nitrogenous plant components such as nucleic acid and chlorophyll. Nitrogen is also needed for plant carbohydrate utilisation. In addition, results from various climatic regions around the world show that onions react differently to nitrogen application. Onion has a high nitrogen requirement, especially in the early stages of development, as increased the level of N increased the growth trend of the number of leaves, leaf length, and plant body. The use of nitrogen fertiliser increased the amount of nitrogen in the soil, according to different research findings.Onion bulb yield has also increased dramatically.
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Wheat (Triticum spp.) is a cereal grain that originated in the Near East’s Levant region but is now grown all over the world. It belongs to the Plantae kingdom and the Poaceae family. Ethiopia is one of Africa’s biggest food aid recipients. Due to many production constraints, such as weed infestation, achieving the desired wheat production is difficult. One of the main biotic constraints in wheat development is weed infestation. Wheat is infested with a variety of weed flora, both grassy and broadleaf, due to the fact that it is cultivated under a variety of agroclimatic conditions, cropping sequences, tillage, and irrigation regimes.Weedrelated yield losses differ depending on the weed type, density, and environmental factors. Weed management practises such as cultural, mechanical, biological, and chemical weed control methods can help minimise yield loss due to weed infestation. This seminar paper’s aim is to review recent research findings on wheat weed management practises. To feed an increasing population, wheat production must increase without relying heavily on chemicals such as fertilisers and herbicides, which have unpredictable negative effects on the environment and human health. For better crop yield, weed control techniques must be improved.In the agricultural sector, improved herbicide formulations with low to no toxicity except for the target weeds seem to be in high demand in the near future.
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Wheat (Triticum spp.) is a cereal grain, originally from the Levant region of the Near East but now cultivated worldwide. It is in the kingdom Plantae and family poaceae. Ethiopia is one of the largest recipients of food aid in Africa. Achieving the desired wheat production is difficult due to many production constraints such as weed infestation. Weed infestation is one of the major biotic constraints in wheat production. Wheat is infested with diverse type of weed flora, which can be grassy and broadleaf, as it is grown under diverse agro climatic conditions, different cropping sequence and tillage and irrigation regimes. The yield losses due to weeds vary depending on the weed species, their density and environmental factors. The yield loss due to weed infestation can be reduced by using different weed management practices such as cultural, mechanical, biological and chemical weed control methods. The objective of this seminar paper is to review recent research finding on weed management practices in wheat. To feed the growing population there is a need to increase the wheat production without much dependence on chemicals like fertilizers and herbicides which have unpredictable harmful effects on environment and human health. There is a need to improve weed management techniques for better crop production. Improved herbicide formulations with low or no toxicity except for the target weeds seems to be the demand of near future in agricultural sector.
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The aim of the study was to examine the effect of leadership styles on organizational performance with specific reference to Commercial banks operate in Jimma Town. To achieve the objectives the study causal type of research and panel design was used to examine the amount of effect that leadership style could exert on the bank’s performance. The primary data sources were leaders on different levels and their subordinate employees while; the secondary data sources were annual report of individual banks and from an audit financial report of National Bank of Ethiopia. Multifactor Leadership Questionnaire was adapted for collection of leadership styles representing questions. The descriptive and inferential analyses were conducted to analyze the collected data. Subsequently, the researcher employed Random Effect Model to investigate the extent of the relationship between independent variables and dependent variables. The study results revealed that both transformational and transactional leadership have strong positive effect on the ROA. Thus, transformational that brings changes in working environment by inspiring and motivating employees for changes, creation, innovation, to go beyond from what they actually think they can; and transactional that reward employees and make recognition in exchange for the work they perform, giving close directions and guidance have positive and significant effect in promoting the performance of the bank. Based on the study results, the provided recommendation was that the leaders of banks should focus on playing a role model by taking first step of what they talk about and keep consistent in their action in the way that getting trust and loyalty from employees and in instilling confidence, commitment and vision in employees and the Stakeholders in the industry should consider taking banking in a non-traditional direction by placing more emphasis on understanding leadership style and its effects on improving results.
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