Abstract: Onion (Allium cepa L.) is more response to application of NPS and VC fertilizers. However, optimum dose of these fertilizers has not been identified in the study area. Moreover, in the Haramaya Disterict the yield and shelf life of onion has constrained, due to the farmers use low rate of organic and mineral fertilizers. Therefore, research was conducted at Haramaya University Rare Research site, with the objectives of assessing the effects of blended NPS and VC fertilizers rates o...
Abstract: Tomato is produced in eastern Ethiopia for fresh fruit and cash-generating for growers. However, the productivity of the crop is low due to many constraints of which the types and rates of fertilizers used irrespective of varietal and soil type’s differences are among the major constrains. The experiment was therefore, conducted to assess the effect of NPS fertilizer rates on yield, yield related and fruit quality traits of tomato varieties, and to estimate cost-benefit of NPS fe...
Abstract: Cactus pear [(Opuntia ficus-indica (L.)MILL] is a horticultural crop which is extensively used as food for humans and feed for animals in many countries of the world. The plant has widely adapted to different parts of Ethiopia and is an integral part of the culture and economy of Tigray, Northern Ethiopia. Although, Cactus pear can be sexually and asexually propagated, propagation has its own limitation such as genetic segregation, a long juvenile stage, and slow growth, material r...
Abstract: Shallot (Allium cepa var. ascalonicum Backer) is one of the most important and widely used vegetable crops propagated vegetatively in Ethiopia. The yield of bulbs and seed are often constrained with low and imbalanced nutrient supply in the soil mainly nitrogen, phosphorus, sulfur and potassium. Therefore, a field experiment was conducted at Haramaya and Dire Dawa research stations of Haramaya University to assess the effect of NPS and potash fertilizers on seed yield and quality o...
Abstract: Mango (Mangifera indica L.) is one of the most widely cultivated and globally traded tropical and subtropical fruit trees in the world. It is one of the most popular, widely cultivated and commonly consumed fruit in Ethiopia. However, the postharvest loss of mango is high in Ethiopia in general and in Harari regional state, eastern Ethiopia in particular. Identified ecotypes with better quality for growers as well as for consumers are not available in Harari region, eastern Ethiopi...
Abstract: Potato (Solanum tuberosum L.) is an important food security and cash crop in Central highlands of Ethiopia. However, its yield is constrained by problem of soil fertility and poor fertilizer management. Therefore, a field experiment was conducted to assess the effects of poultry manure, mineral nitrogen and phosphorus fertilizers on yield and yield components of potato at Holeta, in 2012 growing season. The treatments consisted of factorial combination of 2 levels of poultry manure...
Abstract: The field experiment was conducted during 2015 main rainy season, at two locations, Haramaya University Rare research field and Hirna Research field to assess the effect of tuber planting depth and nitrogen fertilizer rate on the yield and yield related traits of potato. The experimental treatments were factorial combinations of four tuber planting depth (5, 10, 15, 20 cm) and five rates of N (0, 46, 92, 138 and 184 kg N kg ha-1), laid out as a Randomized Complete Block Design (RCB...
Abstract: Onion is an important crop both as a condiment and income generation for smallholder farmers in North western Zone of Tigray. However, Continuous use of inorganic fertilizers and inappropriate soil fertility management practices are among the major factors limiting onion productivity in the North Western Tigray. Therefore, a field experiment was undertaken in Selekleka district from October 2015 to June 2016 to assess the effects of integrated nutrient management on growth, bulb yi...
Abstract: Anchote is one of the most important but underutilized indigenous root tuber crops in Ethiopia. The scarcity of quality planting materials and improved varieties are the most important factors limiting production of the crop. Considering the huge importance of plant biotechnological tools in the improvement of anchote, experiments were conducted to develop in vitro protocols for somatic embryogenesis, meristem culture and anther culture of two anchote accessions (KUWE and accession...
Abstract: Plant spacing and seed tuber size are important agronomic management practices in the production of potato (Solanum tuberosum L.). However, potato farmers in Ethiopia often use haphazard plant spacing and tuber sizes, which contributes to the low yield of the crop. A field experiment was conducted during off season of 2014 at the research field of Holetta Research Centre, Ethiopia with the objective of elucidating the effect of varied seed tuber spacing and seed tuber sizes on the ...
Abstract: Declining soil fertility is one of the major problems causing yield reduction in Ethiopia. Farmers at Areka apply both organic and inorganic fertilizers to overcome the problem and increase yield of potato. However, information on the application of farmyard manure and chemical fertilizer is inadequate to the area to increase the yield of potato crop. Therefore, an experiment was conducted at Areka, Southern Ethiopia during the 2016 cropping season with the objective of assessing t...
Abstract: Garlic (Allium sativum L.) is one of the most important vegetable crops produced in Tigray region; however, farmers are producing the crop from the available cultivars without or with very low rates of nitrogen fertilizer. The cultivars produced in the region were not evaluated in comparison to improved varieties to the response of nitrogen fertilizer. Therefore, this experiment was conducted during 2014/2015 in Gantaafeshum district in Tigray region with objectives of assessing th...
Abstract: Mango (Mangifera indica L.) is among major fruit crops grown in eastern Ethiopia. However, the postharvest handling problem contributes to huge postharvest loss of fruits. This experiment was conducted to study the effect of coating with Aloe debrana (aloe) gel, Opuntia ficus indica (cactus) mucilage and their combination on the shelf life and postharvest quality of mango fruits. Green mature mango fruits were collected from farmer’s orchard and coated with aloe gel and cactus mu...
Abstract: Tomato is an important cash crop produced in many parts of Ethiopia. However the national yield is rated as very low as compared to the entire world. Imbalance as well as improper fertilizer application rate and type is among the major factors constraining tomato fruit yield and quality during production. Therefore, a field experiment was conducted in 2017/18 in Dire Dawa, eastern Ethiopia to assess the effect of nitrogen and potassium fertilizer rates on yield and fruit quality of...
Abstract: Sweet potato is one of the important root crops in Wolaita, however, the productivity of the crop is low partly due to the use of inappropriate planting methods and plant densities for varieties grown. Therefore, this study was conducted to determining the effect of planting methods and planting population on growth and yield of two improved sweet potato varieties (Awassa-83 and Kulfo). The three planting methods (top of the ridge, one side of the ridge, and flat bed) and three row...