The mixed method is based on the use of two or more methods of research and commonly refers to the use of qualitative and quantitative methodology. On the other hand, marketable yield, unmarketable yield and total yield were also influenced through varietal effect in 2014. Review of Related Literature Ferrous Sulfate According to The American Heritage Science Dictionary, ferrous sulfate, a bluish-green crystalline compound that is used in sewage and water treatment, and as a pigment and fertilizer. My particular gratitude and appreciation goes to my friends and class mates especially Abiyot Aragaw, Abdulwahab Ali, Kemeria Barsenaga, Khedija Hussen, Berhan Abdulkadier and many more for their love, understanding, and encouragement who had directly or indirectly contributed for the successful completion of this thesis work. Data on growth and yield parameters were recorded and subjected to analysis of variance. Therefore, this paper mainly focuses on the work done by onion improvements practices in the country and its future progress. ( Log Out /  The adaptation trial of three improved onion varieties (Nanthus, Adama red and Bombe red) with one local check was done in Jimma zone at Agaro Agricultural Research Sub-center which is trial site of Jimma Agricultural Research Center for two consecutive cropping seasons of 2016 and 2017 budget year using RCBD design with three replications. productivity of onion is low at national as well as regional levels; due to various limiting factors such as low soil fertility and lack of improved varieties. literature review on onion Having a format can help quickly give structure literature review on onion to not only what you should write, but what the finished piece should look like.Customer agrees to pay for any charges arising out of the use of any "casual calling" (e.History of domestic violence dates back to the pre-historic period.So now you know where to go if you are on the … Therefore it would be important to identify agronomic factors that influence onion seed yield and quality. Application of 69 kg N ha -1 increased plant height and leaf length by about 10 and 11.5%, respectively over the unfertilized check. Literature Review on Cost of Production Methodologies Pavel Ciaian, Sergio Gomez y Paloma, Jacques Delincé Introduction The structure and level of cost of production (CoP) have major implications for competitiveness of agriculture and income level of farmers. While in 2014 a maximum yield 16 q/ha was recorded at farmers field. The experiment was laid out in randomized complete block design with three replications and five experimental plots (treated with N-P-S-Zn, N-P-S, N-P, compost and control) with unit plot size of 3 m × 3.5 m = 10.5 m 2 and subjected to analysis of variance. The addition of manure, compost and/ or inorganic, cultivars by Melkasa agricultural researc. This has examined the multidimensionality of motivation from the existing literature and … This section is from the book "The Gardener's Monthly And Horticulturist V28", by Thomas Meehan. This information is helpful for showing people how to prevent them from crying when you cut an onion. Regardless of the rate, N fertilization day extended days to physiological maturity by about 6 days over the control. A literature review on Description. The tops removed immediately, or removed 5, 10 or 15 days after curing or not at all. Response of Onion to Nitrogen Application 2.4.1. 2. Varieties. Onion (Allium cepa L.) varieties grown in Uganda are anticipated to have different yield and storage potential. is in great demand. The experiment was laid out as a RCBD factorial(4x5x7 curing, topping, storage time respectively) and each treatment combination replicated three times. Also, an inevitable yield and yield component improvement activities including of plant nutrient management, crop water requirements and scheduling programs, plant population densities, and disease and insect pest control systems were identified. The literature review was used to determine the current agricultural practices and compare it with the hydroponic method. It can therefore be concluded that for increased garlic yield in the study area, application of 130 kg N, 20 kg P, 21 kg S and 15 kg Zn fertilizers per hectare could be needed. Conventional plant breeding is the development or improvement of cultivars using conservative tools for manipulating plant genome within the natural genetic boundaries of the species. There are six basic types of cultivars: pure line, open-pollinated, hybrid, clonal, apomictic and multilines. Bulbing is not required before bolting, but the plants must have leaf bases with diameters greater than 10 mm before flowering can be induced. Mendel's work in genetics ushered in the scientific age of plant breeding. It includes the following: Pepper (annum) as organic pesticides, the insecticidal potential of chili pepper (capsicum annum) leaf extract against termites and it contains… There were eight treatment combinations consisted of 4 levels of boron (0, 0.1, 0.2 and 0.5%) and 4 levels of zinc (0, 0.1, 0.2 and 0.5%) were applied as foliar spraying. The variation in total yield among onion varieties was possibly due to bulb size and adaptation to growth conditions. LITERATURE REVIEW. Herbaceous biennial plants and their edible bulbs, belonging to the Liliaceae. Onions (Allium cepa L.) are important vegetable crops in most parts of the world, particularly the varieties that are grown for bulbs. Slope, plant density, distance from homestead, crop variety, timing of planting and period since conversion significantly influenced maize yields. They are grown both for the local and export markets. A field experiment was undertaken to study the effect of different levels of nitrogen (N) and phosphorus (P) fertilizers on the growth, biomass yield and fresh bulb yield of onion (Allium cepa L.) grown on vertisol of Shewa Robit, North east Ethiopia. Thus local seed production practice is technically possible and economically feasible and should be encouraged and promoted by all stakeholders so as to enhance the income and livelihood of farmers. The inclusion of organic fertilizer and cost-benefit analysis also is suggested as a future line of work to make a conclusive recommendation. An integrated agricultural marketing information system strengthens the linkage between onion producer and other value chain actors in the district and beyond. Tifton series 1 and 2 soils are found in the Vidalia onion area and are well suited for onion production. to meet the grower's demand (Nikus and Mulugeta, 2010). In 2013 an average yield of 7q/ha of onion seed was recorded while the maximum was 10 q/ha. A number of challenges hampered the development of the onion sector along with the market in the Medebay Zana district, Tigray, Ethiopia. LITERATURE REVIEW 2.1. Melaku Mulugeta Dagne. It takes 5 to 6 months for stalk development and seed development. Bendre et al. The study was conducted to investigate the effect of N, P, S, and Zn fertilizers and compost on yield and growth parameters of garlic (Allium sativum L.) and specify optimum fertilizer dose at field level. In order to achieve the time as well as the clean removal of the onion this machine is develop. Application of 69 kg N ha -1 enhanced the growth of onion plant and resulted in optimum fresh total and marketable bulb yield on the vertisol of Shewa Robit, North east Ethiopia. Such a review of literature connected with the main objective of the study, is hoped to provide a basis either for confirming the earlier findings or for contradicting the same and there by to suggest points of departure for further studies. They are traditionally sold loose in bulk containers. Man Watching Cleopatra Has No Time To Read NEWS IN BRIEF July 19th, MCALESTER, OK—Despite his great love of literature, Cleopatra viewer Kenneth Washburn doesn’t have time to read, the year-old McAlester resident reported Monday. REVIEW OF LITERATURE Attri et al. Although the control yielded least it had the longest shelf life because after 112 days of storage it had the lowest sprouting and rotting percentage (50%). Currently, therefore, the absence of an authorized body that produces and distributes the improved onion seed materials at the country level is the main bottleneck problem of the sector due to onion is a cross-pollinated crop and difficult to maintain its genetic integrity. Abstract- This seminar aimed to review the use of herbal growth promoting factor in poultry production which is acceptable among chicken producers to enhance productivity and control diseases. From 1993 up to 2011 the tomato production area increased to 5338ha with total production of 55635 Mg, T o enhance the horticultural crops production and productivity through at different agro ecologies through a research out, Onion is an important vegetable crop, which has produced worldwide including of Ethiopia for its daily uses and economic benefits. Status of Broiler Chickens . Since this result is based on one season and location, it is suggested to repeat the experiment at the study district, different locations, and seasons by including other onion variety. (2014) Onion is one of the important commercial vegetable crops grown in India. Though vegetable seed production is difficult, there are attempts and efforts to produce at local level. ( Log Out /  Its usefulne… Learn all about the onion production such as when to plant onion, how to plant onions, how to grow onions, onion pests & diseases, onion harvesting, etc in this article along with the health benefits of onions. The number of genes that control the trait of interest is important to breeders. It is important because of its medicinal properties. Methods for breeding cross-pollinated species include mass selection, recurrent selection, family selection and synthetics. Melkasa agricultural research center, EIAR, has released and recommended different onion varieties for different agro-ecologies of Ethiopia and now it is under production progress in some parts of the country. Hence, most of the grower uses the planting material that has obtained from their local markets, from semi-formal seed producers and from imported seeds (not tested for its quality) which are inferior in yield, easily susceptible to diseases and insect pests and none adapted to wider agro-ecologies. Roles of nitrogen in onion nutrition and growth 2.4.2. (2019) studied the onion production all over the world and did detailed analysis over the onion production … By Melaku Mulugeta Dagne . This article reviews the chemical and nutritional information on onions. A semi-structured questionnaire and production measurements were used to collect data which were analyzed with regression classification and mixed effect models. Onion is characterized by its distinct flavour and pungency which are due to various sulphur compounds. brings below the world average, onion is becoming as the sources of livelihood for many peoples who have engaged in the production and trading. ( Log Out /  But this process is time consuming. Despite to its lower productivity, which, Onion (Allium cepa L.) is the most common member of the family Amaryllidaceae (Alliaceae) which grows as a herbaceous biennial vegetable crop with cross pollinated and monocotyledonous behavior having diploid chromosomes number 2n=16. Data collected included spouted and rotted bulb percentage, bulb total soluble solids (TSS), bulb dry matter, and bulb fresh mass total loss and bulb color. al. Mutation breeding may be resorted to when the gene of interest is non-existent in nature and may be induced. irrigation water in the country due to its higher bulb yield, Some diseases were identified as causing huge, Botrytis leaf blight (BLB) or neck rot is one of fungal, by preventing the disease introduction to the, chemical control methods like different types of fungicide, incorporated into the farming system of th, the crop production makes the country below a, country level. Moreover, the numerous ways in which onions are prepared from boiling, frying, stewing, baking, pickling, to eating raw make them a versatile food source. The highest economic yield (2867 kg ha-1) was realized from red creole variety while the lowest yield (687 kg ha-1) was obtained from the control. 2 . A survey made in 1987 estimated the total area under onions and shallot in Ethiopia to be about 10.000 ha with the total production of about 75.500 tonnes. It… Description of Onion Crop 2.2. In the present study, authors have reviewed the intense literature to extract all possible dimensions of motivation, having direct and indirect impact on motivation techniques. Also, sometimes, the desired trait is found in wild relatives of the species and may be introgressed into cultivated species through pre-breeding. In order to bring this to practical, demonstration and scaling up activities conducted since 2009 to 2014. Breeders use methods and techniques that are based on the mode of reproduction of the species self-pollinating, cross-pollinating, or clonally propagated. Onion (Allium cepa L.) is an important vegetable crop for small and commercial growers in Ethiopia where it is produced for both the local and export markets. About 12 wholesalers and 31 retailers engaged in onion trading were interviewed to explore the onion marketing channel in the study area. Acco, nutrients, water, and air that leads to producing small bulb, far apart produces vigor individual plant but l, the presence of this competition among plants for the, potential yields. Onion bulb production in Tasmania, a cool-temperate region, is a low cost production system that takes advantage of the region’s long dry summers that enable bulbs to be lifted out of the ground (termed “lifting”) prior to complete canopy senescence and field curing in windrows. 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