00941cam a22002651 4500 agr49000516 DLC 20260227111011.0 780807s1949 xx 000 0 eng agr49000516 (OCoLC)4117681 DLC OAk DLC S21 .A6 no. 1999 633.8 Sievers, A. F. (Arthur Frederick), 1885- Production of drug and condiment plants. [Washington, U.S. Govt. Print Off., 1949] 99 p. illus. 24 cm. Farmers' bulletin no. 1999 Contribution from Bureau of Plant Industry, Soils, and Agriculture Engineering. Supersedes Farmers' bulletin no. 663, Drug plants under cultivation, by W. W. Stockberger. Herbs. Drug and condiment plants. Farmers' bulletin (United States. Department of Agriculture) ; no. 1999. 11059 11059