Department of Agribusiness and Value Chain Management
URI for this collectionhttps://rps.wku.edu.et/handle/123456789/45804
Department of Agribusiness and Value Chain Management
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Item EFFECT OF RHIZOBIUM INOCULATION (MB003) AND NPSB FERTILIZER RATES ON GROWTH YIELD AND YIELD COMPONENTS OF MUNG BEAN (Vigna radiate (L.) WILCZEK) VARIETIES IN MISRAKMESKAN DISTRICT EASTERN GURAGE ZONE(wolkite university, 2024-05-03) MOHAMMED WULCHAFO BADKAROLack of adequate information on the use of Rhizobium strain and nitrogen-phosphorus-sulfurboron (NPSB) fertilizer rates are the major yield limiting factors for producing mung bean in the study area. Therefore, the study was conducted with the objective of evaluating the nodulation, growth and yield responses of two varieties of mung bean (Vigna radiate (L.) Wilczek) at different rates of NPSB fertilizer and Rhizobium inoculates. A field experiment was carried out during the main cropping season of 2021/22 at Misirak Meskan District in Farmers Training Center (FTC). The treatments combinations were two levels of Rhizobium inoculation (with and without), two mung bean varieties N-26 (Rassa) and NVL-1(Nassa) and four levels of NPSB fertilizer (0, 50, 100, 150 kg ha-1 ). The experiment was arranged in a 2×2×4 factorial combination in randomized complete block design with three replications. Soil samples were collected from the experimental field at (0-30cm depth) before planting and after harvest to determine selected soil physicochemical properties. Data on growth, nodulation, yield and yield components were recorded and subjected to Analysis of Variance (ANOVA). Results on soil physicochemical properties analyzed before planting and after harvest showed significant differences due to the combined effects of NPSB fertilizers and Rhizobium inoculation. Crop phenology (days to 50% flowering and days to physiological maturity), growth (plant height, number of primary and secondary branches, shoot fresh and dry weight, root dry weight), and nodulation (number of nodules, nodule fresh and dry) weight of mung bean varieties were significantly affected by NPSB fertilizer rates and Rhizobium inoculation. Moreover, the interaction effects of NPSB fertilizer rates, Rhizobium inoculation and mung bean varieties showed significant effects on number of pods per plant, number of seeds per pod, a hundred seed weight, harvest index, grain yield and above ground biomass. The highest mean value of grain yield(2105.77 kg ha-1 ) was obtained from a combined effect of 150 kg NPSB ha-1 and Rhizobium inoculation from variety N-26 which resulted in 61.28% followed by (2078.90 kg ha-1 ) which was increased by 62.07% at the rate of 100 kg NPSB ha-1 increase over the control (1290.37 kg ha-1 ). Furthermore, the number of seeds per plant, a hundred seeds weight, above ground dry biomass and HI of mung bean were recorded the highest mean values (607.33), (7.50 g), (4241.67 kg ha-1 ) and 0.483, respectively at the rate of 150 kg NPSB ha-1 fertilizer with a Rhizobium inoculation. The partial budget analysis revealed that the maximum (ETB 108600.6 ha-1 ) net benefit was obtained from combined application of rhizobium inoculation and 100 kg NPSB ha-1 from variety N-26 with MRR of 10130% And minimum (ETB 68572.8 ha-1 ) net benefit was obtained from the control. A net benefit advantage of 63.14% (ETB 68572.8 ha-1 ) when compared with the maximum and minimum net benefit. Hence, Rhizobium inoculation with application of 100 kg NPSB ha-1 could be tentatively recommended for mung bean production in Misirak Meskan area. However, the experiment should be repeated over years and locations to provide valid recommendations appropriate for the study siteItem VALUE CHAIN ANALYSIS OF TEFF: THE CASE OF SHEBEL BERENTA DISTRICT, EAST GOJJAM ZONE, AMHARA REGION, ETHIOPIA(WOLKITE UNIVERSITY, 2024-05) YEWEGNESH HABTAMU MEKUMing bean (Vigna radiata L.), is a recently introduced grain legume crop with high potential uses and export demand. However poor crop management practices, including improper NPSB fertilization rate and absence of improved varieties contributed to low productivity in the study area. Hence a field experiment was conducted in Cheha district, Gurage Zone to evaluate the effect of blended NPSB fertilizer rates on the yield and yield components of mung bean varieties. The experiment was laid out in a randomized complete block design with three replications. There were 16 treatment combinations, comprising two mung bean varieties (NVL-1 and Rasa) and eight blended NPSB fertilizer rates (0, 25, 50, 75,100, 125, 150 and 175 kg ha-1). The results showed that the highest values for most growth parameters and yield components were obtained with the application of 175 kg ha-1 NPSB. Results from the main effect of NPSB fertilizer rates indicated that the highest values for plant height (75.83), total number of branches (8.43), total number of nodules (22.91 and 22.6), number of effective nodules (13.41and 13.01) hundred seed weight (35.5g) and above ground dry biomass (5606.3 kg ha-1) were obtained. The interaction between variety and NPSB rate significantly influenced several growth and yield traits. The combination of Rasa variety with 175 kg ha-1 NPSB resulted in the highest days to 50% flowering (55.66 days),days to 90%physiological maturity (88.33 days), number of pod per plant (31), number of seed per pod(13.91), grain yield (1403.33 kg ha-1) and harvest index (24.97%).The partial budget analysis indicated that the combination of rasa variety with 175 kg ha1 NPSB gave the highest net benefit (48,928 Birr ha-1) with 1113.2% marginal rate of return. Therefore, the use of 175 kg ha-1 NPSB fertilizer with Rasa variety are recommended for optimal mung bean yield and economic benefit in the study area and similar agro ecology. These findings provide valuable insights for farmers and researchers to enhance mung bean production and address yield limitations in Ethiopia. However, since the result is only on one season and one location, further research is recommended to be carried out across more seasons and locations.Item DETERIMINANTS OF FARMER PARTICIPATION TO WHEAT CLUSTER FARMING AND ITS SOCIO-ECONOMIC ROLE IN SODO WOREDA, EAST GURAGHE ZONE, CENTERAL ETHIOPIA(WOLKITE UNIVERSITY, 2024-04) GIRMA KOTO GUDACluster farming is an agricultural practice that involves organizing and grouping together farmers within a specific geographic area based on proximity of their farm plots and it increasingly recognized as a viable means of improving smallholder economy in money developing countries .Ethiopia’s farming system is dominated by Smallholder farmers who accounts for 96 percentage of total cultivated area generated 95 percent of total production. Agriculture has not been used to its full potential for development in Ethiopia due to low productivity and low-level of value addition of smallholder. Enhancing productivity and value addition among smallholder farmers is broadly perceived as a main strategy which is achieved through promoting agricultural cluster farming approach. This thesis is focused on studying determinants farmers’ participation decision of wheat cluster farming and its role in Sodo Woreda of Eeast Guraghe zone of central Ethiopia. In this study both primary and secondary data were used. The primary data were collected from a sample of 274 household heads randomly selected by using two stage sampling techniques. Descriptive statistics include mean, standard deviation, ratio, frequencies, and range. Econometrics models such as Binary probitand OLS model were employed to analyze the data. Variables, sex of house hold headed, farm size, training access and mechanization use were significantly affect wheat cluster farming in the study area. Lastly this study recommends that actors should invest on linking farmers of both sexes to enhance wheat cluster farming participation of farmers. Mechanization use positively influenced wheat cluster farming participation decision and extent of cluster participation level the government and concerned body should organize farmers and facilitate credit facilities for them to buy different agricultural tools. Training access significantly influenced farmers ‘participating in wheat cluster farming so the concerned body should train farmers to bring a good result.