Arid
DOI10.3390/agronomy10020160
A Comparative Study of Rotation Patterns on Soil Organic Carbon in China's Arid and Semi-Arid Regions
Wei, Chen1; Adamowski, Jan F.2; Liu, Yujia1; Zhang, Yongkai3; Liu, Chunfang1; Zhou, Junju1; Wang, Xueyan1; Zhang, Xiaofang1; Cao, Jianjun1
通讯作者Cao, Jianjun
来源期刊AGRONOMY-BASEL
EISSN2073-4395
出版年2020
卷号10期号:2
英文摘要The practice of crop rotation can significantly impact carbon sequestration potential. In exploring whether crop rotation has the potential to improve soil carbon sequestration in China's Loess Plateau, soil organic carbon (SOC), soil water content (SWC), soil bulk density (SBD), and soil pH were compared across the 0-1.0 m soil profile, under four crop rotation patterns: lentil-wheat-maize, wheat-potato-lentil, wheat-maize-potato, and wheat-flax-pea. The lentil-wheat-maize and wheat-maize-potato rotations have been practiced over the past 20 years, while the wheat-potato-lentil and wheat-flax-pea rotations were established in 1978 (similar to 40 year rotations). The results showed that under the 20-year lentil-wheat-maize rotation, SOC was not significantly different to that of the wheat-maize-potato rotation, at 6.81 g kg(-1) and 6.91 g kg(-1), respectively. However, under the lentil-wheat-maize rotation, SWC (9.81%) and SBD (1.19 Mg m(-3)) were significantly higher, but soil pH (8.42) was significantly lower than the same metrics under wheat-maize-potato rotation (8.43% and 1.16 Mg m(-3), and 8.50, respectively). For the 40-year rotations, SWC (9.19%) and soil pH (8.41) under the wheat-potato-lentil were not significantly different to that of the wheat-flax-pea (8.87%, and 8.40, respectively). SOC (6.06 g kg(-1)) was significantly lower, but SBD (1.18 Mg m(-3)) was significantly higher under the wheat-potato-lentil than the wheat-flax-pea (7.29 g kg(-1), and 1.15 Mg m(-3), respectively) rotations. Soil carbon sequestration for the lentil-wheat-maize and wheat-potato-lentil rotations was co-influenced by SWC, SBD, and soil pH, while for wheat-maize-potato and wheat-flax-pea rotations, it was co-influenced by SWC and soil pH. The economic value of the four studied crops is, in order: potato > maize > wheat > flax. The results of the present study suggest that the lentil-wheat-maize and maize-flax-pea rotations are the most suitable patterns to optimize simultaneous economic and ecological development of the study area.
英文关键词crop rotation maize wheat soil organic carbon soil water content arid and semi-arid region
类型Article
语种英语
国家Peoples R China ; Canada
开放获取类型gold
收录类别SCI-E
WOS记录号WOS:000521366400117
WOS关键词LAND-USE TYPES ; CROP-ROTATION ; LOESS PLATEAU ; PHYSICAL-PROPERTIES ; WATER STORAGE ; WINTER-WHEAT ; BULK-DENSITY ; COVER CROPS ; TILLAGE ; PH
WOS类目Agronomy ; Plant Sciences
WOS研究方向Agriculture ; Plant Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/313987
作者单位1.Northwest Normal Univ, Coll Geog & Environm Sci, Lanzhou 730070, Peoples R China;
2.McGill Univ, Fac Agr & Environm Sci, Dept Bioresource Engn, Ste Anne De Bellevue, PQ H9X 3V9, Canada;
3.Lanzhou Univ Finance & Econ, Coll Agr & Forestry Econ & Management, Lanzhou 730070, Peoples R China
推荐引用方式
GB/T 7714
Wei, Chen,Adamowski, Jan F.,Liu, Yujia,et al. A Comparative Study of Rotation Patterns on Soil Organic Carbon in China's Arid and Semi-Arid Regions[J],2020,10(2).
APA Wei, Chen.,Adamowski, Jan F..,Liu, Yujia.,Zhang, Yongkai.,Liu, Chunfang.,...&Cao, Jianjun.(2020).A Comparative Study of Rotation Patterns on Soil Organic Carbon in China's Arid and Semi-Arid Regions.AGRONOMY-BASEL,10(2).
MLA Wei, Chen,et al."A Comparative Study of Rotation Patterns on Soil Organic Carbon in China's Arid and Semi-Arid Regions".AGRONOMY-BASEL 10.2(2020).
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