IJAIR NAAS Score : 3.99 ,ISSN : 2319-1473

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IJAIR NAAS Score : 3.99 (2016 - 2020)
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IJAIR NAAS Score : 3.99 (2016 - 2020)
"Submissions Open For Vol. 12,Issue 4, Jan. - Feb. 2024"


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Phenology, Growth, Yield, Nutrient use Efficiency and Economic Feasibility Response of Bread Wheat (Triticum aestivem L.) to NPSB and N Fertilize Rates Under Limed Condition in Gechi District, Southwestern Ethiopia

Alemayehu Abdeta; Solomon Tulu; Gezehagn Berecha
Wheat (Triticum aestivum L.) is one of the most important cereal crops in Ethiopia but its yield was lower primarily due to low soil fertility and use of inappropriate fertilizer rates. This study was conducted to determine the effect of NPSB and N fertilizer rates on yield and yield components of wheat under limed condition during 2019/2020 cropping season. The experiment consisted four levels of NPSB (0,50,100 and 150 kg / ha) and four levels of N (0,23,46 and 69 kg/ha) fertilizers. The experiment was laid out in 4X4 factorial arrangement in randomized complete block design with three replications. The results of the experiment indicated that days to heading, maturity days, plant height and spike length were significantly affected by only the main effects of NPSB and N. The longest day to heading (64.6 days), days to maturity (122.2 days), plant height (81.6 cm) and spike length (6.92cm) were recorded at the highest rate of N fertilizer (69 kg/ha). The maximum number of total tillers (6 par plant), productive tillers (4.14 plant), number of Spikeles per plant (23.12), grain yield (6.4 ton /ha), biomass yield (10.73 ton/ha), straw yield (4.4 ton/ha), harvest index (59.2%), and number of seed per spike (52.00 seed) were obtained at combining application of 150 kg/ha NPSB with 69 kg/ha of N. effects of NPSB and N. However,the higher value of Agronomic efficiency, physiological efficiency and nutrient recovery of nitrogen was obtained at lowest Nitrogen rate.The result of economic analysis showed that combined application of 150 kg /ha NPSB and 46 N kg/ha of N gave economic benefit of 100328.24 Birr/ha with the marginal rate of return of 3321.93%. Thus, the use of 150 kg/ha of NPSB and 46 kg/ha of N can be recommended for better production of bread wheat in the study area.
Select Volume / Issue:
Year:
2022
Type of Publication:
Article
Keywords:
Blended Fertilizer; Liban; Soil Test Based Fertilizer Recommendation
Journal:
IJAIR
Volume:
11
Number:
1
Pages:
8-23
Month:
July
ISSN:
2319-1473
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