Showing results under subject: 'forestry'

Weeds poisonous to livestock

Author: Talbot, P. R. (Percy R.) - Ballantyne, E. E. - Hooper, J. C.
Publisher:Edmonton,Alberta Dept of Agriculture 1955
Abstract: no abstract

Sponge spicules in swamp soils

Author: Davis, R. O. E. (Royall Oscar Eugene),
Publisher:Washington,Govt Print Off 1912
Abstract: no abstract

On the dispersion of the pink boll worm in Egypt

Author: Gough, Lewis Henry
Publisher:Cairo,Government Press 1922
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

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

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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