Author: William B. ParkerPublisher:
ISBN:
Category :
Languages : en
Pages : 5
Book Description
Flour Paste as a Control for Red Spiders and as a Spreader for Contact Insecticides, by William B. Parker,...
Author: William B. ParkerFlour Paste as a Control for Red Spiders and as a Spreader for Contact Insecticides
Author: William Bell ParkerPublisher:
ISBN:
Category : Flour paste
Languages : en
Pages : 12
Book Description
Flour Paste As a Control For Red Spiders and As a Spreader For Contact Insecticides
Author: United States. Department of AgriculturePublisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Circular
Author: The Story of the Cattle-fever Tick
Author: Chris Lauriths ChristensenPublisher:
ISBN:
Category : Agricultural colleges
Languages : en
Pages : 750
Book Description
This publication provides a section which gives a brief description of the various offices within the United States Department of Agriculture and their functions, followed by a directory, and an Index of Names.
Monthly Catalogue, United States Public Documents
Author: United States. Superintendent of DocumentsPublisher:
ISBN:
Category : Government publications
Languages : en
Pages : 802
Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Flour Paste as a Control for Red Spiders and as a Spreader for Contact Insecticides
Author: Circular
Author: United States. Bureau of EntomologyPublisher:
ISBN:
Category : Insects
Languages : en
Pages : 546
Book Description
Dictionary Catalog of the National Agricultural Library, 1862-1965
Author: National Agricultural Library (U.S.)Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 808
Book Description
Spreading and Adherence of Arsenical Sprays
Author: William MoorePublisher:
ISBN:
Category : Arsenical sprays
Languages : en
Pages : 56
Book Description
Historical consideration of spreading -- The theory of spreading -- Sprays that will spread on cabbage leaves -- Sprays that will spread on other leaves -- Conclusion regarding the phenomenon of spreading -- Historical consideration of adherence -- A new theory of adherence -- Electric charge exhibited by the common arsenical preparations -- Electric charge exhibited by the leaf surface -- Preparation of an electrically positive arsenical substance -- Field tests of adherence -- Preparations of positively charged ferric arsenate -- Comparative toxicity of different arsenical preparations -- Conclusion regarding the phenomenon of adherence.