A direct approach for estimating nitrogen, phosphorus, and land demands at the regional level
By: Harry Vroomen, Bruce Larson
Contributors: Larson, Bruce; United States. Dept. of Agriculture. Economic Research Service
Series: Technical bulletin -- no. 1786; Technical bulletin (United States. Dept. of Agriculture) -- no. 1786
Publisher: U.S. Dept. of Agriculture, Economic Research Service; ERS-NASS [distributor
Published: 1991
Place of publication: Washington, D.C; Rockville, MD
Language: eng
Format: Microform
Number of pages: 17
Subjects: Fertilizers -- Prices -- United States -- Mathematical models; Fertilizers -- Government policy -- United States
Notes: Cover title

Distributed to depository libraries in microfiche

Shipping list no.: 92-1788-M

"March 1991"--P. iii

Includes bibliographical references (p. 16-17)

Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1992] 1 microfiche : negative