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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.11
- 수록면
- 600 - 613 (14page)
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Nitrogen (N) fertilization improves crop growth and productivity, but can cause adverse environmental problems in particular nitrous oxide (N₂O) emissions, requiring reasonable fertilization strategy for a better agroecosystem. Our goal was to understand how different N fertilizations influence greenhouse gas (GHG) emissions (CO₂, CH₄, and N₂O) and global warming potential (GWP), soil properties, and productivity from lettuce (Lactuca sativa) cultivated fields [control (No fertilizer), urea ((NH₂)₂CO), ammonium sulfate ((NH₄)₂SO₄), and compost (10 Mg ㏊<SUP>-1</SUP>)]. Inorganic N fertilizations significantly increased GWP as compared to the control, mainly increasing N₂O emissions. However, CH₄ and CO₂ were not significantly different among all treatments, indicating N₂O emissions were main contributors to be influenced by N fertilizations. Ammonium sulfate showed higher GWP than the urea. However, GWP was lowest in the control, but was not significantly different as compared to the compost. Lettuce yield was significantly enhanced by chemical N fertilizations, showing much greater biomass in ammonium sulfate than the urea. Lettuce yield with the compost was less than with chemical fertilizations, but significantly greater than control. GWP per productivity as an indicator for sustainability was lowest in compost treatment among all treatments mainly due to reduced GHG emissions by less mineralization. Conclusively, compost application could be a sustainable way to mitigate GHG emissions, maintaining soil quality and productivity in upland soils.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (43)
참고문헌 신청
Backes, A.M., A. Aulinger, J. Bieser, V. Matthias, and M. Quante. 2016. Ammonia emissions in Europe, part II: How ammonia emission abatement strategies affect secondary aerosols. Atmos Environ. 126:153-161.
Butterbach-Bahl, K., E.M. Baggs, M. Dannenmann, R. Kiese, and S. Zechmeister-Boltenstern. 2013. Nitrous oxide emissions from soils: how well do we understand the processes and their controls? Philos Trans R Soc Lond B Biol Sci. 368:20130122.
Cai, Z., G. Xing, X. Yan, H. Xu, H. Tsuruta, K. Yagi, and K. Minami. 1997. Methane and nitrous oxide emissions from rice paddy fields as affected by nitrogen fertilisers and water management. Plant Soil. 196(1):7-14.
Carpenter, S.R., N.F. Caraco, D.L. Correll, R.W. Howarth, A.N. Sharpley, and V.H. Smith. 1998. Nonpoint pollution of surface waters with phosphorus and nitrogen. Ecol. Appl. 8:559-568.
Conen, F., K. Dobbie, and K.A. Smith. 2000. Predicting N2O emissions from agricultural land through related soil parameters. Global Change Biol. 6(4):417-426.
Butterbach-Bahl, K., E.M. Baggs, M. Dannenmann, R. Kiese, and S. Zechmeister-Boltenstern. 2013. Nitrous oxide emissions from soils: how well do we understand the processes and their controls? Philos Trans R Soc Lond B Biol Sci. 368:20130122.
Cai, Z., G. Xing, X. Yan, H. Xu, H. Tsuruta, K. Yagi, and K. Minami. 1997. Methane and nitrous oxide emissions from rice paddy fields as affected by nitrogen fertilisers and water management. Plant Soil. 196(1):7-14.
Carpenter, S.R., N.F. Caraco, D.L. Correll, R.W. Howarth, A.N. Sharpley, and V.H. Smith. 1998. Nonpoint pollution of surface waters with phosphorus and nitrogen. Ecol. Appl. 8:559-568.
Conen, F., K. Dobbie, and K.A. Smith. 2000. Predicting N2O emissions from agricultural land through related soil parameters. Global Change Biol. 6(4):417-426.
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