Evaluation of synergized pyrethrum for the protection of stored wheat and shelled corn from insect attack
By: [by H.H. Walkden and Howard D. Nelson]
Contributors: Nelson, Howard D., 1913-
Series: Marketing research report -- no. 322
Publisher: Marketing Research Division, Agricultural Marketing Service, U.S. Dept. of Agriculture
Published: 1959
Place of publication: Washington, D.C
Language: eng
Number of pages: 48
Subjects: Corn; Storage; Diseases and injuries; Wheat; Insecticides
Notes: Cover title.

"April 1959."