What question did this study set out to answer?

To assess the impact of seeding rates and fertilizer types on bread wheat yield and components in Ethiopia.

May 18, 2026Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Agriculture0 citationsOpen Access

Response of Bread Wheat (Triticum aestivum L.) to Seeding Rate and Fertilizer Types on Yield and Yield Components in North Western Region of Ethiopia

BABirhanu Gebeyehu ABEBAWWollo University

Key Points

To assess the impact of seeding rates and fertilizer types on bread wheat yield and components in Ethiopia.
Conducted a field experiment in North Western Ethiopia using six seeding rates (75-200 kg ha⁻¹)
Evaluated two fertilizer types (blended NPSB and DAP) arranged in a randomized complete block design with three replications
Measured yield components including number of tillers and total biomass.
The highest grain yield of 4166.7 kg ha⁻¹ was achieved with a 200 kg ha⁻¹ seeding rate and NPSB fertilizer.
The combination yielded the highest net benefit of ETB 51,683 ha⁻¹ and marginal rate of return of 573.02%.
Interactions between seeding rate and fertilizer type significantly affected grain yield.

Abstract

Background: Bread wheat productivity in Ethiopia is limited by poor management practices, specifically improper seeding rates and fertilizer use. Methods: A field experiment was conducted in North Western Ethiopia to evaluate six seeding rates (75, 100, 125, 150, 175, and 200 kg ha⁻¹) and two fertilizer types (blended NPSB and DAP) on the ‘Kekeba’ variety and the treatments were arranged in a randomized complete block design (RCBD) with three replications. Results: Increasing seeding rates significantly enhanced the number of tillers, total biomass, and straw yield. While seeding rate and fertilizer type alone did not significantly impact grain yield, their interaction was highly significant. The highest grain yield (4166.7 kg ha⁻¹) and maximum net benefit (ETB 51,683 ha⁻¹) were achieved using a 200 kg ha⁻¹ seeding rate combined with NPSB fertilizer. This combination also yielded the highest marginal rate of return (573.02%). Consequently, applying 200 kg ha⁻¹ of seed with blended NPSB fertilizer is recommended to optimize bread wheat productivity and economic returns for local farmers in the study area.

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