College of Agriculture

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The College of Agriculture is committed to advancing agricultural education, research, and community service. It serves as a center for knowledge creation and dissemination in crop science, animal production, natural resource management, and sustainable agriculture.

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Author: search.filters.author.HABTAMU HARINGO

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    RESPONSE OF MUNGBEAN (Vigna radiata (L.) Wilczek) VARIETIES TO DIFFIRENT RATES OF NPSB FERTILIZER RATESAT ZALA DISTRICT, SOUTHERN ETHIOPIA
    (Hawassa University College of Agriculture, 2021) HABTAMU HARINGO
    Mungbean (Vigna radiata L.) is the sixth exportable pulse crop in Ethiopia and is a useful protein source for consumers in semi-arid and arid areas of the country. However, its current national productivity is 1.003ton ha-1 , which is much lower than its potential due to the unavailability of balanced nutrients in the soil. Therefore, thisstudy was carried out to evaluate the response of Mungbean varieties toNPSB fertilizer rates. The experiment was conductedin Zala woreda, during the main cropping season of 2021.The experiment was laid out using RCBD in a factorial arrangement with three replications. There was a total of sixteen treatments from a factorial combination of four fertilizer rates (0, 50,100 &150 kgha1 ) and four varieties of Mungbean (Borda,Rasa (N26),NVL-1 & Gofa local).The results revealed that fertilizer had a significant (P<0.05) effect on days to flowering, days to physiological maturity, plant height, brunch number, nodule number, pod number per plant, seed number per pod, thousand seed weight, grain yield, above ground dry biomass, and strow yield. Varieties also had a significant (P<0.05) effect on days to physiological maturity, branch number, pod number per plant, seed number per pod, thousand seed weight, grain yield and harvest index.The interaction of NPSB fertilizer application with verities also had a significant(P<0.05) effect on days to flowering, days to physiological maturity, number of seeds per pod, thousand seed weight, grain yield, dry above ground biomass and harvest index.The highest yield (2.5tonha-1 ) resulted from the interaction effect of the150kg NPSB with the Boreda Varity application. The partial budget analysis also indicated that the best treatments were interaction of the 150kgha-1NPSB with Borda and Rasa (N-26), which gave the first and second highest net benefits of 126126 and 96600 ETB ha-1 , respectively, with an acceptable marginal rate of returns. Therefore, mung bean producers can use the NPSB mixed fertilizer at the rate of 150kg ha-1 and Boreda Variety in the Zala district of the Gofa Zone and other similar areas to increase their productivity.