NDLI: Assessment of carbon sustainability under different tillage systems in a double rice cropping system in Southern China

Content Provider	Springer Nature Link
Author	Xue, Jian Fu Liu, Sheng Li Chen, Zhong Du Chen, Fu Lal, Rattan Tang, Hai Ming Zhang, Hai Lin
Copyright Year	2014
Abstract	Adoption of the carbon (C)-friendly and cleaner technology is an effective solution to offset some of the anthropogenic emissions. Conservation tillage is widely considered as an important sustainable technology and for the development of conservation agriculture (CA). Thus, the objective of this study was to assess the C sustainability of different tillage systems in a double rice (Oryza sativa L.) cropping system in southern China.The experiment was established with no-till (NT), rotary tillage (RT), and conventional tillage (CT) treatments since 2005. Emission of greenhouse gasses (GHG), C footprint (CF), and ecosystem service through C sequestration in different tillage systems were compared.Emission of GHG from agricultural inputs (Mg CO$_{2}$-eq ha$^{−1}$ year$^{−1}$) ranged from 1.81 to 1.97 for the early rice, 1.82 to 1.98 for the late rice, and 3.63 to 3.95 for the whole growing season, respectively. The CF (kg CO$_{2}$-eq kg$^{−1}$ of rice year$^{−1}$) in the whole growing seasons were 1.27, 1.85, and 1.40 [excluding soil organic carbon (SOC) storage] and 0.54, 1.20, and 0.72 (including SOC storage) for NT, RT, and CT, respectively. The value of ecosystem services on C sequestration for the whole growing seasons ranged from ¥3,353 to 4,948 ha$^{−1}$ year$^{−1}$ and followed the order of NT > CT > RT. The C sustainability under NT was better than that under RT for the late, but reversed for the early rice. However, NT system had better C sustainability for the whole cropping system compared with CT.Therefore, NT is a preferred technology to reduce GHG emissions, increase ecosystem service functions of C sequestration, and improve C sustainability in a double rice cropping region of Southern China.
Starting Page	1581
Ending Page	1592
Page Count	12
File Format	PDF
ISSN	09483349
Journal	The International Journal of Life Cycle Assessment
Volume Number	19
Issue Number	9
e-ISSN	16147502
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-06-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Carbon footprint Carbon sustainability Conservation tillage Ecosystem services Paddy soils Southern China Environment Environmental Economics Environmental Engineering/Biotechnology Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Science

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