The protection of orchards in the Pacific Northwest from spring frosts by means of fires and smudges:
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Bibliographic Details
Main Author: O'Gara, P. J. (Author)
Format: Book
Language:English
Published: Washington, D.C. U.S. Dept. of Agriculture 1910
Series:Farmers' bulletin 401
Subjects:
Item Description:Preparation necessary for frost prevention -- Materials to be used for fuel -- Materials for starting fires -- Manner of distributing the materials in the orchard -- Quantity of material to be used for each fire -- Cost of materials for firing an acre -- Necessity of understanding weather conditions -- Meteorological data obtained in the Rogue River Valley -- Weather conditions producing spring frosts in the Rogue River Valley -- Injurious temperatures -- Results of the work -- Value of firing the orchards when the cost is compared with the value of the crop -- Practical suggestions on the use of psychrometer and other meteorological instruments
Physical Description:24 p. ill.

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