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Evaluation of Biomass Yield and Quality Parameters of Sesban (Sesbania sesban L.) Varieties in Irrigated Lowland of Dassench District of South Omo, SouthWestern, Ethiopia

of rainfall per annum which ranged from 500-2000mm with ambient temperature which averaged from 17 °C-20 °C in loose sandy to heavy clay soils [13,14]. The biomass yield of Sesbania species was reported up to 20ton/ha under more favorable agro-ecologies, while the world reported average forage biomass yields are ranging from four to twelve tons from a hectare per year [15]. Sesban foliage (stems + leaves) had crude protein content above 22% and with moderate-to-low cell wall content [16]. The dry matter degradability (DMD %) of Sesbania species was reported up to 75%, while in live goats DMD measured from the 66-71% [17]. Moreover, it reported that cattle, sheep and goats fed to diets contained different inclusion levels of Sesbania leaves showed better nutrient metabolism as compared to control animals ABSTRACT This study was conducted to quantify biomass yield and quality parameters of five Sesbania sesban varieties in irrigated lowland of Dassench district. The Sermemiret Kebele from Dassench district was selected for on-farm trial. The five Sesbania sesban varieties such as DZ-2002, DZ-0040, DZ-0079, DZ-0073 and DZ-32 were evaluated in a randomized complete block design with three replications per variety. The biomass yield, plant height, branches per plant and quality parameters were analyzed by using GLM procedure of SAS and Least Significant Difference (LSD) was used for mean separation. Result from present study showed that higher biomass yield (17.66ton/ha) was obtained from DZ-32 variety, while the lower biomass yield (8.95ton/ha) recorded from DZ-0073 variety. However, DZ-0079 variety had higher (p<0.05) crude protein (268.10g/kg, DM), while DZ-32 variety had lower crude protein (186.70g/kg, DM). Based result from this study, it was concluded that DZ-32 variety was best candidate to improve biomass supply for enhanced production from livestock.