DOI: 10.1016/j.atmosenv.2017.06.023
Scopus记录号: 2-s2.0-85020889500
论文题名: Relationships between the potential production of the greenhouse gases CO2, CH4 and N2O and soil concentrations of C, N and P across 26 paddy fields in southeastern China
作者: Wang W ; , Sardans J ; , Wang C ; , Zeng C ; , Tong C ; , Asensio D ; , Peñuelas J
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2017
卷: 164 起始页码: 458
结束页码: 467
语种: 英语
英文关键词: CH4 flux
; Diurnal variation
; Elemental stoichiometry
; Greenhouse gases
; N2O flux
; Nitrogen
; Paddy field
; Phosphorus
; Seasonal variation
; Soil nutrients
; Warming
Scopus关键词: Carbon
; Carbon dioxide
; Cultivation
; Gases
; Greenhouse gases
; Nitrogen
; Nutrients
; Phosphorus
; Soils
; Diurnal variation
; Paddy fields
; Seasonal variation
; Soil nutrients
; Warming
; Soil pollution
; carbon
; carbon dioxide
; iron
; methane
; nitrogen
; nitrous oxide
; phosphorus
; potassium
; agricultural soil
; carbon dioxide
; chemical composition
; climate effect
; concentration (composition)
; crop production
; diurnal variation
; flux measurement
; greenhouse gas
; methane
; nitrous oxide
; nutrient availability
; paddy field
; phosphorus
; rice
; seasonal variation
; soil carbon
; soil chemistry
; soil emission
; soil nitrogen
; soil nutrient
; stoichiometry
; warming
; Article
; China
; greenhouse gas
; nonhuman
; nutrient
; precipitation
; priority journal
; rice
; soil
; temperature
; China
; Fujian
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: Paddy fields are a major global anthropogenic source of greenhouse gases. China has the second largest area under rice cultivation, so determining the relationships between the emission of greenhouse gases and soil carbon content, nutrient availabilities and concentrations and physical properties is crucial for minimizing the climatic impacts of rice agriculture. We examined soil nutrients and other properties, greenhouse-gas production and their relationships in 26 paddy fields throughout the province of Fujian in China, one of the most important provinces for rice production. High P and K concentrations, contents and availabilities were correlated with low rates of CO2 production, whereas high C and N contents were correlated with high rates of CH4 production. Mean annual precipitation (MAP) and rates of gas production were not clearly correlated, at least partly due to the management of flooding that can mask the effect of precipitation. Higher mean annual temperatures and soil Fe contents favored the production of N2O. C, N, P and K concentrations and their ratios, especially the C:K and N:K ratios, and P availability were correlated with CO2 and CH4 production across the province, with higher C:K and N:K ratios correlated positively with increased CO2 production and available P correlated negatively with CH4 production. A management strategy to avoid excessive C accumulation in the soil and to increase P availability and decrease available Fe contents would likely decrease the production of greenhouse gases. © 2017 Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/82739
Appears in Collections: 气候变化事实与影响
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作者单位: Institute of Geography, Fujian Normal University, Fuzhou, China; Key Laboratory of Humid Subtropical Eco-geographical Process, Ministry of Education, Fujian Normal University, Fuzhou, China; CSIC, Global Ecology Unit CREAF-CSIC-UAB, Bellaterra, Catalonia, Spain; CREAF, Cerdanyola del Vallès, Catalonia, Spain
Recommended Citation:
Wang W,, Sardans J,, Wang C,et al. Relationships between the potential production of the greenhouse gases CO2, CH4 and N2O and soil concentrations of C, N and P across 26 paddy fields in southeastern China[J]. Atmospheric Environment,2017-01-01,164