Showing results under subject: 'entomology'

Orchard insects of the Pacific Northwest and their control

Author: Newcomer, E. J. (Erval Jackson),
Publisher:Washington DC,US Dept of Agriculture 1941
Abstract: no abstract

Production and agricultural use of sodium nitrate

Author: Merz, Albert R. (Albert Ronald), - Fletcher, C. C. (Charles Cloyes),
Publisher:Washington DC,US Dept of Agriculture 1937
Abstract: no abstract

Some common mushrooms and how to know them

Author: Charles, Vera K. (Vera Katherine)
Publisher:Washington DC,US Dept of Agriculture 1953
Abstract: no abstract

Silvicultural management of black spruce in Minnesota

Author: Le Barron, Russell K.
Publisher:Washington DC,US Dept of Agriculture 1948
Abstract: no abstract

Gas treatment for the control of blue mold disease of tobacco

Author: Clayton, Edward E.
Publisher:Washington DC,US Dept of Agriculture 1941
Abstract: no abstract

Airplane dusting in the control of malaria mosquitoes

Author: King, W. V. (Willard Van Orsdel), - Bradley, G. H. (George Hirst),
Publisher:Washington DC,US Dept of Agriculture 1926
Abstract: no abstract

Orchard insects of the Pacific Northwest and their control

Author: Newcomer, E. J. (Erval Jackson),
Publisher:Washington DC,US Dept of Agriculture 1934
Abstract: no abstract

The prevention of roundworms in pigs

Author: Ransom, Brayton Howard, - Hall, Maurice C. (Maurice Crowther), - Raffensperger, H. B. (Hayes Benton),
Publisher:Washington,U S Govt print off 1946
Abstract: no abstract

The chinch bug in relation to St. Augustine grass

Author: Wilson, R. N. (Robert Normal),
Publisher:Washington DC,US Dept of Agriculture 1929
Abstract: no abstract

White clover for the south

Author: United States. Agricultural Research Service. Crops Research Division.
Publisher:Washington DC,US Dept of Agriculture 1961
Abstract: no abstract
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