title: Biogeochemistry: A plan for efficient use of nitrogen fertilizers.
authors.affiliation: University of Maryland Center for Environmental Science, Frostburg, Maryland 21532, USA.
authors.forename: Xin
authors.initials: X
authors.lastname: Zhang
mesh_terms: D000069599:Crop Production / Q000379:methods*; D004787:Environmental Pollution / Q000009:adverse effects / Q000032:analysis / Q000517:prevention & control*; D005308:Fertilizers / Q000009:adverse effects / Q000706:statistics & numerical data*; D006801:Humans; D009584:Nitrogen / Q000009:adverse effects / Q000378:metabolism*; D040841:Resource Allocation
chemical_list: D005308:Fertilizers; D009584:Nitrogen