Precision planter and fertilizer applicator for use on experimental plots
By: [by J.E. Harmond, H.H. Rampton and E.E. Yoder]
Contributors: Rampton, H. H. (Henry Hardy), 1904-; Yoder, Elmon E., 1921-
Series: Miscellaneous publication / United States Department of Agriculture -- no.       962
Publisher: Agricultural Research Service, United States, Dept. of Agriculture
Published: 1965
Place of publication: Washington, D.C
Language: eng
Number of pages: 16
Subjects: Agricultural machinery; Sowing; Fertilizer equipment
Notes: Cover title.

Selected references: p.12.