Fedorchuk M., Kovalenko O., Havrish V., Chernova A., Hruban V. Energy evaluation of sorghum growing technology in the South of Mykolaiv region

UDC 633.17


Fedorchuk M.,

Kovalenko O.,

Havrish V.,

Chernova A.,

Hruban V.


In the conditions of a high drought of climate of the Nikolaev area and fluctuations of temperature on years the important direction of increase of productivity of arable land is cultivation of drought-resistant cultures and improvement of the technological receptions directed on creation of highly productive agrocenoses.

Industrial-scale cultivation of non-food energy crops for biofuels production is generally recognized as a positive step toward ensive enpreventing energy shortages and decreasing greenhouse gas emissions. As part comprehergy plan, its bioenergy industry is vigorously accelerating cellulosic ethanol fuel production and diversifying feedstock supplies to include new crops such as cassava and sweet sorghum. In 2020, ethanol yield  reached 4.0 million tons, a 90% increase from 2.1 million tons in 2015, according to the 13th 5-Year Plan for bioenergy

Sorghum is a crop that can withstand high temperatures and prolonged droughts: to consume a one kg of dry matter, it consumes almost 1.5 times less water than corn and 2 times less than cereals. Its value is also due to the versatility of use, the ability to give stable yields, the possibility of growing on unproductive soils.

Energy sorghum, including biomass and sweet type varieties, has recently gained favor as bioethanol feedstock amongst numerous candidate crops. Low input requirements, wide adaptability, and remarkable biological productivity confer better energy balance to sorghum as compared to other competing crops. Using current renewable energy technologies, soluble sugars and structural carbon compounds (cellulose and hemicellulose) in energy sorghum stems and leaves could be the most promising approach for the first and second generation ethanol production.

This article evaluates the energy efficiency of growing sugar and grain sorghum in the context of climate change.

Keywords: energy equivalent, energy efficiency coefficient, energy costs, grain sorghum, sweet sorghum, biofuel, energy efficiency.



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