Showing results under subject: 'agricultural engineering'

A short account of the big trees of California

Author: United States. Forest Service.
Publisher:Washington,Govt Print Off 1900
Abstract: no abstract

A study of heart-rot in western hemlock

Author: Weir, James R. (James Robert), - Hubert, Ernest E. (Ernest Everett),
Publisher:Washington DC,US Dept of Agriculture 1918
Abstract: no abstract

Winter feeding of wild life on northern farms

Author: Grange, Wallace B. (Wallace Byron),
Publisher:Washington DC,US Dept of Agriculture 1933
Abstract: no abstract

Two plot transfer devices developed for aerial photographic forest insect trend surveys

Author: Aldrich, Robert Clement, - United States. Forest Service.
Publisher:Washington DC,US Dept of Agriculture 1964
Abstract: no abstract

Artificial host egg for rearing trichogramma

Author: Hoffman, Jarett D. (Jarett David).
Publisher:Washington DC,US Dept of Agriculture 1982
Abstract: no abstract

Forests and national prosperity : a reappraisal of the forest situation in the United States

Author: United States. Forest Service.
Publisher:Washington DC,US Dept of Agriculture 1948
Abstract: no abstract

The use book : a manual for users of the national forests. July 1, 1913

Author: United States. Forest Service.
Publisher:Washington DC,US Dept of Agriculture 1913
Abstract: no abstract

Roundheaded apple-tree borer : its life history and control

Author: Brooks, Fred E. (Fred Ernest),
Publisher:Washington DC,US Dept of Agriculture 1920
Abstract: no abstract

The southern corn leaf-beetle

Author: Kelly, E. O. G. (Edward Owen Guerrant),
Publisher:Washington DC,US Dept of Agriculture 1915
Abstract: no abstract

What is entomology : given at the second Florida entomological conference, Gainesville, Fla., March 19, 1937

Author: Strong, Lee A. - United States. Bureau of Entomology and Plant Quarantine.
Publisher:Washington DC,US Department of Agriculture 1937
Abstract: no abstract
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