Showing results under subject: 'agronomy'

Agents for biological control of purple nutsedge, Cyperus rotundus L. : the genus Bactra Stephens (Lepidoptera : Tortricidae : Olethreutinae) as a ma…

Author: Frick, Kenneth E. - United States. Agricultural Research Service.
Publisher:Washington DC,US Dept of Agriculture, Agricultural Research Service 1985
Abstract: no abstract

Annotated list of the flora of the Beltsville Agricultural Research Center, Beltsville, Maryland

Author: Terrell, Edward E. - United States. Agricultural Research Service.
Publisher:Beltsville Md,US Dept of Agriculture, Agricultural Research Service 2000
Abstract: no abstract

Kerosene emulsion

Author: Hopkins, A. D. (Andrew Delmar), - United States. Bureau of Entomology. - United States. Bureau of Entomology and Plant Quarantine.
Publisher:Washington DC,US Department of Agriculture, Bureau of Entomology 1918
Abstract: no abstract

The European elm scale (Gossyparia spuria (Modeer))

Author: Hopkins, A. D. (Andrew Delmar), - United States. Bureau of Entomology. - United States. Bureau of Entomology and Plant Quarantine.
Publisher:Washington DC,US Department of Agriculture, Bureau of Entomology 1919
Abstract: no abstract

Brief information on insect damage to green ash logs and lumber in the Southern Atlantic and Gulf States, particularly in the Delta Region of the Mis…

Author: St. George, R. A. - United States. Bureau of Entomology and Plant Quarantine. - United States. Bureau of Entomology.
Publisher:Washington DC,US Department of Agriculture, Bureau of Entomology 1923
Abstract: no abstract

Brief information on scale insects on shade tree and hardy ornamentals and remedies employed against them

Author: Hopkins, A. D. (Andrew Delmar), - United States. Bureau of Entomology. - United States. Bureau of Entomology and Plant Quarantine.
Publisher:Washington DC,US Department of Agriculture, Bureau of Entomology 1916
Abstract: no abstract

Alkaloid composition of nicotiana rustica strains

Author: Jeffrey, R. N. - United States. Agricultural Research Service.
Publisher:Beltsville Md,US Dept of Agriculture, Agricultural Research Service 1957
Abstract: no abstract

Effects of light on plants : a literature review, 1950

Author: Garner, W. W. (Wightman Wells), - United States. Agricultural Research Service.
Publisher:Beltsville Md,US Dept of Agriculture, Agricultural Research Service 1962
Abstract: no abstract

Diseases of fruits and nuts

Author: Smith, Ralph E. (Ralph Eliot),
Publisher:Berkeley Calif,The College of Agriculture, University of California 1941
Abstract: no abstract

Proceedings : National Advisory Board for Wild Free-Roaming Horses and Burros, March 21 and 23, 1973, Denver, Colorado

Author: National Advisory Board for Wild Free-Roaming Horses and Burros (U.S.). Meeting. Denver, Colorado) - United States. Forest Service. - United States. Bureau of Land Management.
Publisher:Denver Colorado,US Department of Agriculture, US Forest Service 1973
Abstract: no abstract
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