An edition of The adulteration of insect powder with powdered daisy flowers (Chrysanthemum leucanthemum L.) (1919)
The adulteration of insect powder with powdered daisy flowers (Chrysanthemum leucanthemum L.)
By R. C. Roark
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Publish Date
1923
Publisher
U.S. Dept. of Agriculture
Language
eng
Pages
11
Description:
subjects: Pyrethrum (Insecticide), Insecticides, Daisies