Showing results under subject: 'forestry'

Field experiments with atmospheric-nitrogen fertilizers

Author: Allison, Franklin E. (Franklin Elmer), - Braham, J. M. (Joseph Marvin), - McMurtrey, J. E. (James Edward),
Publisher:Washington DC,US Dept of Agriculture 1924
Abstract: no abstract

The drainage of irrigated land

Author: Hart, R. A. (Richard Ambrose),
Publisher:Washington DC,US Dept of Agriculture 1915
Abstract: no abstract

The recovery of potash as a by-product in the blast-furnace industry

Author: Merz, Albert R. (Albert Ronald), - Ross, William Horace,
Publisher:Washington DC,US Dept of Agriculture 1924
Abstract: no abstract

Digestibility of some animal fats

Author: Langworthy, C. F. (Charles Ford), - Holmes, Arthur Dunham,
Publisher:Washington DC,US Dept of Agriculture 1915
Abstract: no abstract

The flight activities of the honeybee

Author: Lundie, Arnold Ernest,
Publisher:Washington DC,US Dept of Agriculture 1925
Abstract: no abstract

Insect damage to the cones and seeds of Pacific Coast conifers

Author: Miller, John M. (John Martin),
Publisher:Washington DC,US Dept of Agriculture 1914
Abstract: no abstract

The production and consumption of dairy products

Author: Merritt, Eugene,
Publisher:Washington DC,US Dept of Agriculture 1915
Abstract: no abstract

Judging horses as a subject of instruction in secondary schools

Author: Barrows, H. P. (Harry Percy),
Publisher:Washington DC,US Dept of Agriculture 1917
Abstract: no abstract

The results of physical tests of road-building rock

Author: Jackson, Frank H. (Frank Herbert),
Publisher:Washington DC,US Dept of Agriculture 1916
Abstract: no abstract

The alcohol test in relation to milk

Author: Ayers, S. Henry (Samuel Henry), - Johnson, W. T. (William Trimble)
Publisher:Washington DC,US Dept of Agriculture 1915
Abstract: no abstract
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