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The oyster-shell scale and the scurfy scale


Author:
Quaintance, A. L. and Sasscer, E. R.
Source:
Farmers' bulletin (United States. Department of Agriculture) ; no. 723 1916
Year:
1916
Subject:
fruit trees, orchards, sulfur, street trees, shade trees, shrubs, scale insects, horticultural oils, insecticidal soaps, plant pests, spraying, ornamental trees, life cycle (organisms), Oyster-shell scale, and Scurfy scale
Language:
English
Publisher:
U.S. Dept. of Agriculture
Collection:
Organic Roots Collection