TY - BOOK AU - Edited by Arvin R. Mosier, J. Keith Syers, and John R. F reney AU - I.J. Keith Syers II. John R. F reney TI - Agriculture and the nitrogen Cycle : assessing the impacts of fertlizer use on food production and environment SN - 1559637080 AV - SB 651.8 .A32 2004 13527 PY - 2004/// CY - USA PB - Island Press KW - Nitrogen Fertilizer N1 - includes bibliographical references and index ER -