Response of Faba Bean (<em>Vicia faba</em> L.) Grain Yield to Biofertilizer Rates and Inter Row Spacings at Kaffa Zone, South Western Ethiopia

Purpose: Soil nutrient depletion and crop management practices are the significant factors affecting faba beans production over world. Biofertilizers can improve soil fertility health. Moreover, it adds essential nutrients improves water retention in soil. Thus, its use is unquestionable to maintain enhance production. Hence, biofertilizer rates inter-spacings were used bean Research Method: The Field trials performed determine response of (Vicia L.) grain yield bio-fertilizer row spacings main growing season 2019 at Kaffa zone, Southwestern Ethiopia. Factorial combinations four (0, 0.25, 0.5, 0.75kg/ha) three inter-row (30, 40, 50cm) carried out RCBD with replications. LSD test was done α = 0.05 level probability. Findings: results ANOVA presented that effect, as well interaction effects biofertilizers spacing, have a effect on bean. pods/plants number, hundred seed weight, HI mainly affected by spacings. combination 0.75kg/ha 50cm space between rows recorded maximum pods per plant weight seeds, yield, harvest index. highest (2540±276kg/ ha) attained application distance rows, whereas, lowest (1083.3±117.7kg/ha) observed from null treatments smaller spacing (30cm). Generally, significantly obtained because rate widest this experiment. Therefore, inoculation dosage found be optimum for Ethiopia other similar agroecologies. It further recommended result only one site hence study may repeated time reach concrete recommendation. Limitation: Additional authentication across agroecology would make conclusive recommendations since field directed sole cropping site. Originality/ Value: This an organic fertilizer could farmers investors future, increase