erosion-productivity index simulator model
By: John W. Putman ... [et al.].
Contributors: Putman, John W.; United States. Dept. of Agriculture. Natural Resource Economics Division.
Series: Staff report -- no. AGES870602.; ERS staff report -- no. AGES 870602.
Publisher: U.S. Dept. of Agriculture, Economic Research Service, Natural Resource Economics Division
Published: 1987
Place of publication: [Washington, DC]
Language: eng
Number of pages: 16
Subjects: Soil erosion -- United States -- Mathematical models.; Soil conservation -- United States -- Mathematical models.
Other titles: Erosion productivity index simulator model.
Notes: Distributed to depository libraries in microfiche.

"June 1987"--P. iii.

Biliography: p. 15-16.

"Reproduced for limited distribution to the research community outside the U.S. Department of Agriculture"--P. iii.