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Plants for special uses |
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| Authors: | D. M. Crooks |
| Affiliation: | 1. U. S. Department of Agriculture, USA |
| Abstract: | Dependence of the United States upon foreign sources of Belladonna, Henbane, Stramonium, Digitalis, Ergot, Pyrethrum, Rotenone and numerous other plant products has stimulated attempts to produce the necessary crops domestically. |
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