Removal of lead spray residues from apples grown in the Shenandoah-Cumberland Valley
By: by M.H. Haller ... [et al.] ; United States Department of Agriculture, Bureau of Plant Industry and Entomology and Plant Quarantine, in cooperation with the Agricultural Experiment Stations of Maryland and West Virginia.
Contributors: Haller, M. H. 1897-; United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 622; Technical bulletin (United States. Dept. of Agriculture) -- no. 622.
Publisher: U.S. Dept. of Agriculture
Published: 1938
Place of publication: Washington
Language: eng
Number of pages: 32
Subjects: Spraying and dusting in agriculture.; Apples -- Residues -- Shenandoah River Valley (Va. and W. Va.); Apples -- Residues -- Cumberland Valley (Md. and Pa.)
Notes: Caption title.

Literature cited: p. 31.