干旱区生态环境知识资源中心(Arid): Economic and environmental analyses of incorporating guar into the American southwest

Arid

DOI	10.1016/j.agsy.2021.103146
	Economic and environmental analyses of incorporating guar into the American southwest
	Summers, Hailey M.; Sproul, Evan; Seavert, Clark; Angadi, Sangu; Robbs, Joram; Khanal, Sita; Gutierrez, Paul; Teegerstrom, Trent; Vazquez, Daniel A. Zuniga; Fan, Neng; Quinn, Jason C.
通讯作者	Quinn, JC (corresponding author), Colorado State Univ, Ft Collins, CO 80523 USA.
来源期刊	AGRICULTURAL SYSTEMS
ISSN	0308-521X
EISSN	1873-2267
出版年	2021
卷号	191
英文摘要	CONTEXT: Persistent drought is affecting the livelihood of American farmers in arid climates. Adopting droughttolerant crops, such as guar (Cyamopsis tetragonoloba L.), is one potential solution for improving economic revenue and reducing the effect of drought on farms. Guar produces guar gum, which is a thickening and stabilizing agent in fluids used most recently in the hydraulic fracking of shale oil and gas recovery. OBJECTIVE: This study was performed to investigate the economic and environmental feasibility of cultivating guar in the American Southwest and transporting it to a domestic processing facility for the primary product of guar gum. METHODS: An integrated techno-economic (TEA) and life cycle analysis (LCA) was performed on the cradle-togate process of producing guar gum for domestic supply in the United States. TEA was performed to investigate the economic performance on the farm and downstream for the guar gum production facility. Similarly, the LCA investigated the environmental impact to the farm and the primary product of guar gum. RESULTS AND DISCUSSION: Baseline results indicate a minimum selling price of $1.44 per kg-guar gum, driven largely by irrigation, herbicides and associated equipment use. A best case economic scenario where irrigation and fertilizers were removed, low-cost herbicides were used and less intensive land management practices were adopted, highlights the feasibility of guar gum being produced for as low as $0.45 per kg-guar gum, which is lower than the five-year average U.S. import price of $0.99 per kg-guar gum. Environmental impacts of guar gum are largely attributed to irrigation and agricultural equipment use. The indicator, global warming potential, resulted in farm-level emissions of 1160 per hectare of guar grown. The combined farm, transportation and downstream processing production processes results in 2.67 kg CO2eq per kg-guar gum, or 806 kg CO2eq per hectare, which is lower than the farm emissions due to a co-product credit for animal feed. SIGNIFICANCE: The economic results indicate that guar gum can be produced for less than average U.S. import prices. The environmental impact results indicate that growing guar would lead to lower emissions than existing crops when cultivated in the American Southwest.
英文关键词	Sustainability Economic viability Environmental impact Drought Guar gum
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000659317600001
WOS类目	Agriculture, Multidisciplinary
WOS研究方向	Agriculture
来源机构	University of Arizona ; New Mexico State University ; Colorado State University
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/368733
作者单位	[Summers, Hailey M.; Sproul, Evan; Quinn, Jason C.] Colorado State Univ, Ft Collins, CO 80523 USA; [Seavert, Clark] Oregon State Univ, Corvallis, OR 97331 USA; [Angadi, Sangu; Robbs, Joram; Khanal, Sita; Gutierrez, Paul] New Mexico State Univ, Las Cruces, NM 88003 USA; [Teegerstrom, Trent; Vazquez, Daniel A. Zuniga; Fan, Neng] Univ Arizona, Tucson, AZ 85721 USA
推荐引用方式 GB/T 7714	Summers, Hailey M.,Sproul, Evan,Seavert, Clark,et al. Economic and environmental analyses of incorporating guar into the American southwest[J]. University of Arizona, New Mexico State University, Colorado State University,2021,191.
APA	Summers, Hailey M..,Sproul, Evan.,Seavert, Clark.,Angadi, Sangu.,Robbs, Joram.,...&Quinn, Jason C..(2021).Economic and environmental analyses of incorporating guar into the American southwest.AGRICULTURAL SYSTEMS,191.
MLA	Summers, Hailey M.,et al."Economic and environmental analyses of incorporating guar into the American southwest".AGRICULTURAL SYSTEMS 191(2021).