Papers
9
Total Citations
265
H-Index
9
About
Jun Shan is a soil biogeochemist whose research has made significant contributions to our understanding of nitrogen cycling in agricultural and managed ecosystems. Working at the intersection of soil microbiology, environmental science, and agricultural management, Shan has focused particularly on denitrification processes — the microbial transformation of soil nitrogen into gaseous forms including N₂O, N₂, and NO. His work has yielded critical insights into how common agricultural practices, such as straw amendment, nitrate fertilization, and land use conversion, regulate the balance between these gaseous products, with major implications for climate change mitigation given N₂O's potency as a greenhouse gas. Among his most influential contributions is his research demonstrating that straw amendment can paradoxically increase N₂O emissions despite altering the N₂O/(N₂O+N₂) ratio, a finding that has accumulated 77 citations and reshaped thinking around residue management. Shan has also pioneered investigations into emerging contaminants — including tire wear particles and microplastics — and their effects on soil denitrification, demonstrating how anthropogenic pollutants reshape microbial communities and nitrogen dynamics. With a growing body of work exceeding 265 cumulative citations, Shan represents an important voice in sustainable soil management research.
Research Focus
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Top Papers
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