Showing results under subject: 'entomology'

Quarantines prevent the spread of plant pests

Author: United States. Department of Agriculture. - United States. Agricultural Research Service.
Publisher:Washington DC,US Dept of Agriculture 1969
Abstract: no abstract

The production of cigar-leaf tobacco in Pennsylvania

Author: Frear, William, - Hibshman, E. K. - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture 1910
Abstract: no abstract

Type classification of American-grown tobacco

Author: Wilkinson, Frank B. (Frank Burton), - United States. Department of Agriculture.
Publisher:Washington DC,GPO 1926
Abstract: no abstract

Biological control of Cannabis sativa : a summary of the project

Author: McCain, Arthur H. - United States. Department of Agriculture.
Publisher:Washington,US Dept of Agriculture
Abstract: no abstract

How cigar-tobacco production is being controlled in Connecticut

Author: Boyd, H. B. - United States. Department of Agriculture.
Publisher:Place of publication not identified,US Department of Agriculture 1933
Abstract: no abstract

Preservation of agricultural specimens in plastics

Author: Fessenden, George Russell, - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture 1949
Abstract: no abstract

For a beautiful America : guard against plant pests

Author: United States. Department of Agriculture. - United States. Agricultural Research Service.
Publisher:Washington DC,US Dept of Agriculture 1969
Abstract: no abstract

American tobacco types, uses, and markets

Author: Gage, Charles E. (Charles Ellsworth), - United States. Department of Agriculture.
Publisher:Washington DC,United States Dept of Agriculture 1942
Abstract: no abstract

Export fruit acts : questions and answers

Author: United States. Department of Agriculture. - United States. Agricultural Marketing Service.
Publisher:Washington DC,US Dept of Agriculture 1977
Abstract: no abstract

Killing weeds with herbicides : student or classroom science project no. 3

Author: United States. Department of Agriculture. - United States. Agricultural Research Service.
Publisher:Washington DC,US Dept of Agriculture 1966
Abstract: no abstract
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