Mitigating Greenhouse Gas and Ammonia Emissions from Swine Manure Management: A System Analysis.
Gaseous emissions from animal manure are considerable contributor to global ammonia (NH3) and agriculture greenhouse gas (GHG) emissions. Given the demand to promote mitigation of GHGs while fostering sustainable development of the Paris Agreement, an improvement of management systems is urgently needed to help mitigate climate change and to improve atmospheric air quality. This study presents a meta-analysis and an integrated assessment of gaseous emissions and mitigation potentials for NH3, methane (CH4), and nitrous oxide (N2O) (direct and indirect) losses from four typical swine manure management systems (MMSs). The resultant emission factors and mitigation efficiencies allow GHG and NH3emissions to be estimated, as well as mitigation potentials for different stages of swine operation. In particular, changing swine manure management from liquid systems to solid-liquid separation systems, coupled with mitigation measures, could simultaneously reduce GHG emissions by 65% and NH3emissions by 78%. The resultant potential reduction in GHG emissions from China's pig production alone is greater than the entire GHG emissions from agricultural sector of France, Australia, or Germany, while the reduction in NH3emissions is equivalent to 40% of the total NH3emissions from the European Union. Thus, improved swine manure management could have a significant impact on global environment issues.
Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences , Beijing 100081, China.|Key Laboratory of Energy Conservation and Waste Treatment of Agricultural Structures, Ministry of Agriculture , Beijing 100081, China.
Yue
0000-0002-4194-7386
Y
Wang
Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences , Beijing 100081, China.|Key Laboratory of Energy Conservation and Waste Treatment of Agricultural Structures, Ministry of Agriculture , Beijing 100081, China.
Hongmin
H
Dong
Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences , Beijing 100081, China.|Key Laboratory of Energy Conservation and Waste Treatment of Agricultural Structures, Ministry of Agriculture , Beijing 100081, China.
Zhiping
Z
Zhu
Animal Production and Health Division, Food and Agriculture Organization, 00153 Rome, Italy.|Animal Production Systems Group, Wageningen University , P.O. Box 338, Wageningen, The Netherlands.
Pierre J
PJ
Gerber
Department of Agricultural and Biosystems Engineering, Iowa State University , Ames, Iowa 50011, United States.
Hongwei
H
Xin
Institute of Biological and Environmental Sciences, University of Aberdeen , 23 St. Machar Drive, Aberdeen AB24 3UU, United Kingdom.
Pete
P
Smith
Animal Production and Health Division, Food and Agriculture Organization, 00153 Rome, Italy.
Carolyn
C
Opio
Animal Production and Health Division, Food and Agriculture Organization, 00153 Rome, Italy.
Henning
H
Steinfeld
Environment Centre Wales, School of Environment, Natural Resources and Geography, Deiniol Rd., Bangor University , Bangor LL57 2UW, United Kingdom.
Dave
D
Chadwick
D000393:Air Pollutants; D000641:Ammonia; D000818:Animals; D057231:Climate Change; D005740:Gases; D017752:Greenhouse Effect; D008372:Manure; D008697:Methane; D009609:Nitrous Oxide; D013552:Swine
D000393:Air Pollutants; D005740:Gases; D008372:Manure; D000641:Ammonia; D009609:Nitrous Oxide; D008697:Methane