Harvesting pyrethrum
By: A.F. Sievers, M.S. Lowman, and W.M. Hurst
Contributors: Lowman, M. S. (Morris Samson), 1897-; Hurst, W. M. (Wilbur Magruder), 1898-
Series: Circular / United States Department of Agriculture -- no. 581; Circular (United States. Dept. of Agriculture) -- no. 581.
Publisher: U.S. Dept. of Agriculture
Published: 1941
Place of publication: Washington, D.C
Language: eng
Number of pages: 28
Subjects: Crop quality; Tanacetum cinerariifolium; Pyrethrins; Pyrethroid insecticides; Mechanical harvesting; Harvesting equipment; Machinery; Pyrethrum (Plant); Tanacetum coccineum; Plant growth; Agricultural machinery and equipment; Harvesting
Notes: Caption title.

Joint contribution from Bureau of Plant Industry and Bureau of Agricultural Chemistry and Engineering.