Nitrogen in agricultural systems
Subtitle: implications for conservation policy
By: Marc Ribaudo ... [et al.].
Contributors: United States. Department of Agriculture. Economic Research Service
Series: Economic research report -- no. 127; Economic research report (United States. Department of Agriculture. Economic Research Service) -- no. 127.
Publisher: U.S. Dept. of Agriculture, Economic Research Service
Published: 2011
Place of publication: Washington, D.C.]
Language: eng
Format: [electronic resource] :
Number of pages: 82
Subjects: Nitrogen fertilizers; Agricultural conservation
Other titles: Implications for conservation policy
Notes: Title from PDF title screen (viewed Dec. 29, 2011).

"September 2011."

Includes bibliographical references (p. 51-62).