Productivity and erodibility of U.S. cropland
By: Ralph E. Heimlich
Contributors: United States. Dept. of Agriculture. Economic Research Service
Series: Agricultural economic report -- no. 604
Publisher: U.S. Dept. of Agriculture, Economic Research Service
Published: 1989
Place of publication: Washington, DC
Language: eng
Format: Microform
Number of pages: 21
Subjects: Soil erosion -- United States; Soil productivity -- United States; Land capability for agriculture -- United States
Other titles: Productivity and erodibility of US cropland
Notes: Cover title

"January 1989"--P. 1

Includes bibliographical references (p. 16-17)

Microfiche. Washington, D.C. : SUPTDOCS/GPO, 1991. 1 microfiche : negative ; 11 x 15 cm