| Energy Balances and Greenhouse Gas Emissions of Agriculture in the Shihezi Oasis of China | |
| Yan, Zhengang1,2,3; Hou, Fuqin4; Hou, Fujiang1,2 | |
| 2020-08 | |
| Source Publication | ATMOSPHERE Impact Factor & Quartile |
| EISSN | 2073-4433 |
| Volume | 11Issue:8 |
| page numbers | 17 |
| Abstract | The objective of this study was to evaluate the difference of crop and livestock products regarding energy balances, greenhouse gas (GHG) emissions, carbon economic efficiency, and water use efficiency using a life cycle assessment (LCA) methodology on farms in three sub-oases within the Shihezi Oasis of China. The three sub-oases were selected within the Gobi Desert, at Shizongchang (SZC), Xiayedi (XYD), and Mosuowan (MSW), to represent the various local oasis types: i. Oasis; ii. overlapping oasis-desert; and iii. Gobi oasis. The results indicated that crop production in XYD Oasis had higher energy balances (221.47 GJ/ha), and a net energy ratio (5.39), than in the other two oases (p< 0.01). The production of 1 kg CW of sheep in XYD Oasis resulted in significantly higher energy balances (18.31 MJ/kg CW), and an energy ratio (2.21), than in the other two oases (p< 0.01). The water use efficiency of crop production in the SZC Oasis was lower than that of the XYD and MSW oases (p< 0.05). Alfalfa production generated the lowest CO2-eq emissions (8.09 Mg CO2-eq/ha. year) and had the highest water use efficiency (45.82 MJ/m(3)). Alfalfa (1.18 yen /kg CO2-eq) and maize (1.14 yen /kg CO2-eq) had a higher carbon economic efficiency than other crops (p< 0.01). The main sources of GHG emissions for crop production were fertilizer and irrigation. The structural equation modelling (SEM) of agricultural systems in the Shihezi Oasis showed that the livestock category significantly influenced the economic income, energy, and carbon balances. |
| Keyword | Shihezi Oasis agricultural production systems life cycle assessment energy balances greenhouse gas emissions |
| Publisher | MDPI |
| DOI | 10.3390/atmos11080781 |
| Indexed By | SCIE ; EI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[31660347][31172249] ; National Key Project of Scientific and Technical Supporting Programs[2014CB138706] ; Programme for Changjiang Scholars and University Innovation and Research Teams[IRT13019] |
| WOS Research Area | Meteorology & Atmospheric Sciences |
| WOS Subject | Meteorology & Atmospheric Sciences |
| WOS ID | WOS:000568133500001 |
| Publisher | MDPI |
| EI Accession Number | 20203409082499 |
| EI Keywords | Life cycle |
| EI Classification Number | 451.1 Air Pollution Sources ; 804 Chemical Products Generally ; 804.2 Inorganic Compounds ; 821.3 Agricultural Methods ; 821.4 Agricultural Products ; 931 Classical Physics ; Quantum Theory ; Relativity |
| Original Document Type | Article |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | https://ir.lzu.edu.cn/handle/262010/440962 |
| Collection | 兰州大学 |
| Corresponding Author | Hou, Fuqin; Hou, Fujiang |
| Affiliation | 1.Minist Agr, State Key Lab Grassland Agroecosyst, Key Lab Grassland Livestock Ind Innovat, Lanzhou 730020, Gansu, Peoples R China 2.Lanzhou Univ, Coll Pastoral Agr Sci & Technol, Lanzhou 730000, Gansu, Peoples R China 3.Gansu Agr Univ, Coll Informat & Sci Technol, Lanzhou 730070, Gansu, Peoples R China 4.Xinjiang Western Anim Husb Ltd Co, Shihezi 832000, Xinjiang, Peoples R China |
| Recommended Citation GB/T 7714 | Yan, Zhengang,Hou, Fuqin,Hou, Fujiang. Energy Balances and Greenhouse Gas Emissions of Agriculture in the Shihezi Oasis of China[J]. ATMOSPHERE,2020,11(8). |
| APA | Yan, Zhengang,Hou, Fuqin,&Hou, Fujiang.(2020).Energy Balances and Greenhouse Gas Emissions of Agriculture in the Shihezi Oasis of China.ATMOSPHERE,11(8). |
| MLA | Yan, Zhengang,et al."Energy Balances and Greenhouse Gas Emissions of Agriculture in the Shihezi Oasis of China".ATMOSPHERE 11.8(2020). |
| Files in This Item: | |||||
| File Name/Size | DocType | Version | Access | License | |
| Yan-2020-Energy Bala（2901KB） | 期刊论文 | 出版稿 | 限制开放 | CC BY-NC-SA | View Application Full Text |
