A user's guide to NTRM, a soil-crop simulation model for nitrogen, tillage, and crop-residue management
By: M.J. Shaffer and F.J. Pierce
Contributors: Pierce, F. J. (Francis J.); United States. Agricultural Research Service
Series: Conservation research report -- 34-2
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1987
Place of publication: [Washington, D.C.?]
Language: eng
Number of pages: 102
Subjects: Crops and soils; Computer programs; Tillage; Crop residues
Notes: "Issued July 1987"--P. 2 of cover.

Bibliography: p. 103.