Abstract            Volume:13  Issue-3  Year-2025         Original Research Articles

Online ISSN : 2347 - 3215 Issues : 12 per year Publisher : Excellent Publishers Email : editorijcret@gmail.com

The field experiment was conducted during 2023/24 cropping season at Leka Dulecha district, East Wollaga, Ethiopia. The treatments consist of four NPSB fertilizer rates (0, 25, 50 and 75 kg ha-1) and three row spacing (20, 30 and 40 cm) that gave 12 treatments with three replication. The treatment was laid out in a randomized complete block design in factorial arrangement with three replications. Analysis of variance revealed that days to 50% flowering, days to 90% physiological maturity, plant height, number of secondary branches plant-1-, number of nodules plant-1, nodule dry weight plant-1, number of pods plant-1, number of seeds pod-1, and biological yield were significantly affected by the main effect of NPSB fertilizer. The number of primary branches plant-1, thousand seed weight, and grain yield of fenugreek were significantly affected by the interaction effects of NPSB rates and row spacing. The 30 cm row spaced and applied with 50 kg NPSB ha-1 resulted in the highest number of primary branches plant-1 (5.8) and the highest thousand seed weight (18.47g). The highest grain yield (1160.67 Kg ha-1) was achieved from 50 kg NPSB ha-1 with 40 cm row spacing. The highest marginal rates of return (13564) were recorded from treatment combination 25 kg NPSB ha-1 with 20 cm row spacing. Based on economic analysis growing local landrace along with 25 kg ha-1 rate of NPSB fertilizer with 20 cm row spacing recommended.

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