TY - BOOK ID - 138007022 TI - Nitrogen in the Chesapeake Bay watershed : a century of change, 1950-2050 AU - Clune, John W. AU - Capel, Paul D. AU - Geological Survey (U.S.) AU - National Water-Quality Assessment Program (U.S.) PY - 2021 PB - Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, DB - UniCat KW - Water KW - Water quality KW - Water in agriculture KW - Nitrogen content KW - Mathematical models. UR - https://www.unicat.be/uniCat?func=search&query=sysid:138007022 AB - ER -