Energy efficiency measurement of arrowroot production of Vietnam

Hien Thi Vu; Ke-Chung Peng; Rebecca H. Chung; Huong Thi Dao; Trung Quang Ha; Giang Thi Nguyen; Hien Thi Vu; Ke-Chung Peng; Rebecca H. Chung; Huong Thi Dao; Trung Quang Ha; Giang Thi Nguyen

doi:10.3934/energy.2021017

AIMS Energy

2021, Volume 9, Issue 2: 326-341. doi: 10.3934/energy.2021017

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Research article

Energy efficiency measurement of arrowroot production of Vietnam

1.
Department of Economics and Rural Development, Thainguyen University of Agriculture and Forestry, Thainguyen 250000, Vietnam
2.
Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
3.
Department of Agribusiness Management, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
4.
Thai Nguyen University of Economics and Business Administration, Thainguyen 250000, Vietnam

Received: 01 December 2020 Accepted: 07 February 2021 Published: 03 March 2021

Energy efficiency along with friendly agricultural production is becoming one of the priority concerns of many countries in the world including Vietnam. The objective of this study was to estimate energy indicators and to determine the number of optimum energy inputs of arrowroot farms in Backan province regarding different regions and farm categories by using data envelopment analysis (DEA) technique. Findings unveiled that arrowroot farms in Nari district had high energy indicators, i.e., energy ratio, energy productivity, net energy, as compared to other farms in Babe district. The technical and pure technical efficiency and the amount of potential GHG emission reduction found to be higher in Babe district than that in Nari district. Farms in Nari district had opportunities to reduce energy input with slightly higher than that in Babe district (54.54% and 53.61%, respectively). Regarding farm sizes, other than specific energy, small arrowroot farms had the highest energy indicators as compared to other farm size groups. Thus, small farms had the quantity of optimum energy input (392.76 MJ acre^-1), saving energy (509.70 MJ acre^-1) and amount of GHG emission reduction (4.26 kg CO_2-eq/acre) which were more than the others. Based on the results of this study, the suggested solutions to improve the energy efficiency and reduce the adverse effects of arrowroot production to the environment should focus on developing the extension activities as well as short technological training courses for farmers addressing on raising awareness of energy conservation when applying chemical fertilizer and other input factors.
- energy efficiency,
- optimum energy data envelopment analysis (DEA),
- arrowroot farms,
- Vietnam
Citation: Hien Thi Vu, Ke-Chung Peng, Rebecca H. Chung, Huong Thi Dao, Trung Quang Ha, Giang Thi Nguyen. Energy efficiency measurement of arrowroot production of Vietnam[J]. AIMS Energy, 2021, 9(2): 326-341. doi: 10.3934/energy.2021017

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Abstract

Energy efficiency along with friendly agricultural production is becoming one of the priority concerns of many countries in the world including Vietnam. The objective of this study was to estimate energy indicators and to determine the number of optimum energy inputs of arrowroot farms in Backan province regarding different regions and farm categories by using data envelopment analysis (DEA) technique. Findings unveiled that arrowroot farms in Nari district had high energy indicators, i.e., energy ratio, energy productivity, net energy, as compared to other farms in Babe district. The technical and pure technical efficiency and the amount of potential GHG emission reduction found to be higher in Babe district than that in Nari district. Farms in Nari district had opportunities to reduce energy input with slightly higher than that in Babe district (54.54% and 53.61%, respectively). Regarding farm sizes, other than specific energy, small arrowroot farms had the highest energy indicators as compared to other farm size groups. Thus, small farms had the quantity of optimum energy input (392.76 MJ acre^-1), saving energy (509.70 MJ acre^-1) and amount of GHG emission reduction (4.26 kg CO_2-eq/acre) which were more than the others. Based on the results of this study, the suggested solutions to improve the energy efficiency and reduce the adverse effects of arrowroot production to the environment should focus on developing the extension activities as well as short technological training courses for farmers addressing on raising awareness of energy conservation when applying chemical fertilizer and other input factors.

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