Showing results under subject: 'aquaculture'

House rats and mice

Author: Lantz, David E. (David Ernest)
Publisher:Washington DC,US Dept of Agriculture 1917
Abstract: no abstract

Field mice as farm and orchard pests

Author: Lantz, David E. (David Ernest)
Publisher:Washington DC,US Dept of Agriculture 1915
Abstract: no abstract

Powdery scab (Spongospora subterranea) of potatoes

Author: Melhus, I. E. (Irving E.),
Publisher:Washington DC,US Dept of Agriculture 1914
Abstract: no abstract

Field test with a toxic soil constituent : vanillin

Author: Skinner, J. J. (Joshua John),
Publisher:Washington DC,US Dept of Agriculture 1915
Abstract: no abstract

The results of physical tests of road-building rock in 1916, including all compression tests

Author: Metchnikoff, Élie, - Jackson, Frank H. (Frank Herbert),
Publisher:Washington DC,US Dept of Agriculture 1917
Abstract: no abstract

The national influence of a single farm community : a study of the flow into national life of migration from the farms

Author: Sawtelle, Emily Florence Alger Hoag,
Publisher:Washington DC,US Dept of Agriculture 1921
Abstract: no abstract

Forestry and permanent prosperity

Author: Hammatt, R. F. (Richard Fox),
Publisher:Washington DC,US Dept of Agriculture 1939
Abstract: no abstract

The effects of inbreeding and crossbreeding on guinea pigs : I. decline in vigor : II. differentiation among inbred families

Author: Wright, Sewall,
Publisher:Washington DC,US Dept of Agriculture 1922
Abstract: no abstract

Review of literature on cinchona diseases, injuries, and fungi

Author: Lombard, Frances F. (Frances Foust),
Publisher:Washington DC,US Dept of Agriculture 1947
Abstract: no abstract

Program for the national forests

Author: United States. Forest Service.
Publisher:Washington DC,US Dept of Agriculture, Forest Service 1959
Abstract: no abstract
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