Energy Balance Analysis in Hainan Province's Agriculture Sector

Abstract:

This paper collected energy input-output data of Hainan Province agriculture sector in 21 years (1988-2008).All the direct and indirect inputs of energy for the production of main crops in Hainan were evaluated.The inputs and outputs were calculated by multiplying the amounts of inputs and outputs by their energy equivalents.The results showed that total energy input increased from 16.06 in 1988 to 38.39GJha^-1 in 2008, total output energy increased from 83.92 in 1988 to 149.06GJha^-1 in 2008. The net energy gain was a positive value,but a majority of the input energy emanates from non-renewable sources of energy.The energy ratio was estimated to be 5.04 and showed a declining trend during the period.This indicates that increased use of inputs ha^-1 in production was accompanied by a much less increase in the output levels.Improvements in fertilizer application can significantly affect the energy efficiency of Hainan agriculture sector.

• Periodical: Applied Mechanics and Materials (Volumes 195-196)
• Pages: 1249-1253
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.195-196.1249
• Online since: August 2012
• Authors: Hai Qing Liu, En Ping Liu
• Keywords: Agriculture, Energy Analysis, Energy Ratio, Hainan, Input-Output

References

[1] Hainan Statistical Yearbook (2009).

[2] Brown BJ, Hanson ME, Liverman DM, Meridets RW. Global sustainability: toward definition. Environ Manage 1987; 11(6): 713–9.

[3] Mohammadi A, Tabatabaeefar A, Shahin S, Rafiee S, Keyhani A. Energy use and economical analysis of potato production in Iran, a case study: Ardabil province. Energy Conver Manage 2008; 49: 3566–70.

DOI: 10.1016/j.enconman.2008.07.003

[4] Khakbazan M, Mohr RM, Derksen DA, Monreal MA, Grant CA, Zentner RP, et al. Effects of alternative management practices on the economics, energy and GHG emissions of a wheat–pea cropping system in the Canadian prairies. Soil Till Res 2009; 104(1): 30–8.

DOI: 10.1016/j.still.2008.11.005

[5] Esengun K, Erdal G, Gu¨ndu¨ z O, Erdal H. An economic analysis and energy use in stake-tomato production in Tokat province of Turkey. Renew Energy 2007; 32: 1873–81.

DOI: 10.1016/j.renene.2006.07.005

[6] Strapatsa AV, Nanos GD, Tsatsarelis CA. Energy flow for integrated apple production in Greece. Agric Ecosyst Environ 2006; 116: 176–80.

DOI: 10.1016/j.agee.2006.02.003

[7] Canakci M, Topakci M, Akinci I, Ozmerzi A. Energy use pattern of some field crops and vegetable production: case study for Antalya region, Turkey. Energy Conver Manage 2005; 46: 655–66.

DOI: 10.1016/j.enconman.2004.04.008

[8] Tzilivakis J, Warner DJ, May M, Lewis K, Jaggard AK. An assessment of the energy inputs and greenhouse gas emissions in sugar beet (Beta vulgaris) production in the UK. Agric Syst 2005; 85: 101–19.

DOI: 10.1016/j.agsy.2004.07.015

[9] Ozkan B, Kurklu A, Akcaoz H. An input–output energy analysis in greenhouse vegetable production: a case study for Antalya region of Turkey. Biomass Bioenergy 2004; 26: 89–95.

DOI: 10.1016/s0961-9534(03)00080-1

[10] Schroll H. Energy-flow and ecological sustainability in Danish agriculture. Agric Ecosyst Environ 1994; 51: 301–10.

[11] Iman Beheshti Tabar, Alireza Keyhani, Shaheen Rafiee. Energy balance in Iran's agronomy. Renewable and Sustainable Energy Reviews2010; 14: 849-55.

DOI: 10.1016/j.rser.2009.10.024

[12] Kitani O. CIGR handbook of agricultural engineering, Vol. 5. Energy & biomass engineering. ASAE Publication; (1999).