Showing results under subject: 'soil science'

Insecticides and equipment for controlling insects on fruits and vegetables

Author: United States. Bureau of Entomology and Plant Quarantine. - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture 1945
Abstract: no abstract

The brood diseases of bees

Author: Phillips, Everett Franklin, - United States. Bureau of Entomology. - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1906
Abstract: no abstract

The red spider on cotton. (Tetranychus bimaculatus Harvey)

Author: McGregor, E. A. - United States. Bureau of Entomology. - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1912
Abstract: no abstract

Aphids on tobacco : how to control them

Author: Lawson, F. R. - Chamberlin, F. S. (Frank Shirley), - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture 1957
Abstract: no abstract

How to control fleas

Author: Bishopp, F. C. (Fred Corry), - United States. Department of Agriculture.
Publisher:Washington DC,US Govt Print Off 1946
Abstract: no abstract

The plant disease situation

Author: Haskell, Royal J. (Royal Joyslin), - United States. Department of Agriculture. - National Broadcasting Company.
Publisher:Place of publication not identified,US Department of Agriculture 1931
Abstract: no abstract

Feeding birds in winter

Author: United States. Department of Agriculture. - United States. Department of Agriculture. Office of Information. - United States. Department of Agriculture. Press Service. - United States. Extension Service.
Publisher:Washington DC,USDA Press Service, Office of Information, and Extension Service 1938
Abstract: no abstract

The fight against plant dieseases in 1933

Author: Haskell, Royal J. (Royal Joyslin), - United States. Department of Agriculture. - National Broadcasting Company.
Publisher:Place of publication not identified,US Department of Agriculture 1933
Abstract: no abstract

Save grain by controlling pantry pests! : fact sheet

Author: United States. Department of Agriculture. - United States. Bureau of Entomology and Plant Quarantine.
Publisher:Washington DC,US Dept of Agriculture, Office for Food and Feed Conservation 1948
Abstract: no abstract

The occurrence of bee diseases in the United States. (Preliminary report.)

Author: Phillips, Everett Franklin, - United States. Bureau of Entomology. - United States. Department of Agriculture.
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1911
Abstract: no abstract
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