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A dataset for soil organic carbon in agricultural systems for the Southeast Asia region

Scientific Data| Source  | Data |  

Research team from Kansas State University work with scientists from Cambodia, Vietnam, and Laos in compiling a comprehensive dataset on Soil Organic Carbon (SOC) from Southeast Asian agricultural systems through a systematic literature review. Spanning articles published between 1987 and 2023, the dataset includes 209 studies and 4,341 observations, covering various cropping systems, management practices, soil depths, and assessment durations. This resource facilitates quantifying how land use and management practices impact SOC content, essential for developing sustainable agricultural practices and guiding regional policies on SOC sequestration. As a publicly accessible dataset, it supports efforts to enhance soil quality, mitigate climate change effects, and potentially foster carbon credit markets in the region.

 

Figure | Box plot of soil organic carbon (SOC) concentration (upper panel) and SOC stock (lower panel) for the main land use (a and c), and fertilizer and organic residue application (b and d). In each main and secondary descriptor, the edges of the box correspond to the first and third quartiles (Q1 and Q3, respectively), the solid line stands for the median, the whiskers indicate the minimum and maximum value (i.e., Q1–1.5 * IQR and Q3 + 1.5 * IQR, where IQR = Q3 - Q1, the interquartile range), and the dots correspond to potential outliers. The triangles correspond to the mean SOC values for each level within treatments. The dashed horizontal lines show the lower and upper limits for mild outliers (Q1–1.5 * IQR and Q3 + 1.5 * IQR) for the treatments. ‘n’ indicates the number of observations in each additional descriptor.

 

 

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A dataset for soil organic carbon in agricultural systems for the Southeast Asia region
Scientific Data| Source  | Data |  Research team from Kansas State University work with scientists from Cambodia, Vietnam, and Laos in compiling a comprehensive dataset on Soil Organic Carbon (SOC) fr
Jun 28, 2024
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