Showing results under subject: 'agricultural engineering'

Papers on insects affecting vegetables

Author:
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1911
Abstract: no abstract

A brief account of the principal insect enemies of the sugar beet

Author: Chittenden, F. H. (Frank Hurlbut),
Publisher:Washington DC,US Dept of Agriculture, Division of Entomology 1903
Abstract: no abstract

Some insects injurious to truck crops

Author: United States. Bureau of Entomology.
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1912
Abstract: no abstract

Report of a trip to Australia made under the direction of the Entomologist to investigate the natural enemies of the fluted scale

Author: Koebele, Albert,
Publisher:Washington DC,US Dept of Agriculture, Division of Entomology 1890
Abstract: no abstract

Results of the artificial use of the white-fungus diseases in Kansas : with notes on approved methods of fighting chinch bugs

Author: Billings, Frederick H. (Frederick Horatio),
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1911
Abstract: no abstract

Natural control of white flies in Florida

Author: Morrill, A. W. (Austin Winfield), - Back, E. A. (Ernest Adna),
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1912
Abstract: no abstract

Papers on insects affecting stored products

Author:
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1916
Abstract: no abstract

The Rocky Mountain spotted fever tick : with special reference to the problem of its control in the Bitter Root Valley in Montana

Author: Hunter, W. D. (Walter David), - Bishopp, F. C. (Fred Corry),
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1911
Abstract: no abstract

The movement of the cotton boll weevil in 1914

Author: Hunter, W. D. (Walter David), - Pierce, W. Dwight (William Dwight), - United States. Bureau of Entomology.
Publisher:Washington DC,US Dept of Agriculture, Bureau of Entomology 1915
Abstract: no abstract

Weed roses : pests of pasture, orchard and range

Author: United States. Agricultural Research Service.
Publisher:Washington DC,Agricultural Research Service, US Dept of Agriculture 1965
Abstract: no abstract
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