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Yield Response of Bread Wheat (Triticum aestivum L.) to Seed and NPSB Fertilizer Rates in Enebsie Sar Midir, Northwestern Ethiopia
Although bread wheat (Triticum aestivum L.), is a vital cereal crop in Enebsie SarMidir, and its productivity in the area is still minimal because of inappropriate usage of seed and NPSB fertilizer rates. An experimental field study at Mertule Mariam Agriculture TVET, Enebsie Sar Midir district, looked at the yield and yield related traits in bread wheat in the main cropping year in 2022–2023 in relation to seed and NPSB fertilizer rates. The demonstration laid out with three replications in RCBD. Treatment included five levels NPSB fertilizer (75, 100,125,150 and 175kg/ha), and levels of seed (125,150 and175kg/ha, 150, and 175 kg/ha). Important growth metrics, including 50 percent of days to heading, 90 percent of physiological maturity, plant height, spike length, seeds per spike, and thousand seed weight, found to be considerably impacted by the primary effects of seed and fertilizer rates. The findings demonstrated that biomass yield, grain yield, harvest index, and total tillers per m2 were significantly impacted interaction effects in the main effect. SAS 9.2 applied for analysis of the gathered important data, and LSD analysis at the 5% significance levels of variance was used to separate the means. Nevertheless, the following variables' interaction effects were not statistically significant: Measurements of plant height, spike length, number of seeds/spike, 50 percent days to heading, 90 percent days to physiological maturity, and thousand kernel weight. With 175kg/ha of seed rate and 175kg/ha rate of NPSB fertilizer, the maximum grain yield (4.9t/ha) recorded. Analysis of partial budget revealed that levels with seed rate of 175kg/ha and 175 kg/ha NPSB fertilizer generated maximum net benefit (172,746 ETB/ha), and that of 389.07% marginal rate of return. In light of these findings, 175kg/ha of NPSB fertilizer and 175kg/ha of seed rate are suggested for the best bread wheat production in the area. To create recommendations that are more dependable and broadly applicable, more research in a variety of locations and seasons is required.
