A slide rule calculator for determining dosages of chemicals for small plots
By: W. M. Phillips
Contributors: United States. Agricultural Research Service; Kansas Agricultural Experiment Station
Series: ARS 34 -- 54; ARS 34 -- 54.
Publisher: U.S. Dept. of Agriculture, Agricultural Research Service
Published: 1963
Place of publication: [Beltsville, Md.]
Language: eng
Subjects: Herbicides; Application; Insecticides; Fertilizers
Notes: "March 1963."