Determination of sorghum production energy input-output balance under farmers' practices in the Hararghe lowland areas of Ethiopia.
2023
Birhanu Gurracho | Yetenayet Tola | Abebe Badie | Solomon Habtegabriel | Sirawdink Forsido
Sorghum production energy input-output balance was studied during the 2020/2021 production year in Hararghe lowland areas of Ethiopia under farming methods practised by the farmers. The study aimed to assess the energy input and output and to analyse the energy use efficiency of sorghum production under farming practices of the farmers using the recently adopted early maturing varieties. Three sorghum varieties were used with Randomized Complete Block Design (RCBD) in 3 replications. Production inputs were uniformly applied to the entire unit plots. The average total production energy input was 12 188.07 MJ.ha-1 in which chemical fertiliser and mechanical energy contributed 47.40% (5 771.48 MJ.ha-1) and 43.60% (5 314.10 MJ.ha-1), respectively. The highest energy consumer stage was top-dressing followed by land preparation and sowing stages with values of 33.7, 25.20 and 20.20% of the total input, respectively. The remaining 20.90% of the input was distributed among the rest production operations. The mean energy output of 77 284.59 MJ.ha-1 for Makko was significantly higher than that of Qaqaba and Malkam varieties. Makko was also superior to Malkam and Qaqaba in mean energy ratio with values of 6.31, 5.48 and 5.84, respectively.
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