International Journal of Environmental Research and Public Health Article Spatial Variation of Soil Organic Carbon and Total Nitrogen in the Coastal Area of Mid-Eastern China Yan Xu 1,2,3 ID , Lijie Pu 1,2,*, Qilin Liao 4, Ming Zhu 1,2, Xue Yu 1, Tianying Mao 1 and Chenxing Xu 1 ...