 | Tennessee Valley Authority - 1937 - 468 páginas
...shall comply with the standards of form, quality, and detail applicable to those under supervision of the Bureau of Chemistry and Soils of the United States Department of Agriculture. The results thereof shall be utilized by the department in connection with its watershed protection... | |
 | 1937 - 586 páginas
...use of def luorinat ion has not yet been perfected, the TVA is conducting experimental work begun by the Bureau of Chemistry and Soils of the United States Department of Agriculture, and investigators are hopeful that technical difficulties will soon be overcome. Except that def luorinat... | |
 | 1937 - 492 páginas
...fires cause <i loss of approximately $6,000,000 a year on the farms of the United States, according to the Bureau of Chemistry and Soils of the United States Department of Agriculture. They are sixth amonc the causes of farm fires and are responsible for 5 to 7 per cent of the total... | |
 | United States. Department of Commerce - 1938 - 224 páginas
...in studies of the commercial fisheries in certain areas of Virginia and North Carolina, and assisted the Bureau of Chemistry and Soils of the United States Department of Agriculture in assembling historical data relating to the domestic manufacture of fish scrap and meal. The Bureau... | |
 | United States. Federal Power Commission - 1938 - 146 páginas
...for the production of potassium nitrate, which would combine two of the three principal plant foods. The Bureau of Chemistry and Soils of the United States Department of Agriculture has developed a process for producing this valuable fertilizer material by combining potassium chloride... | |
 | 1938 - 1566 páginas
...Agricultural Economics, US Department of Agriculture. Economics, the .Southern Forest Experiment Station, and the Bureau of Chemistry and Soils of the United States Department of Agriculture. It "presents only a comparatively small portion of the facts assembled. The discussion of any one subject... | |
 | United States. Congress. House. Committee on the District of Columbia - 1939 - 54 páginas
...Board of Fire Underwriters, the National Fire Waste Council of the United States Chamber of Commerce, the Bureau of Chemistry and Soils of the United States Department of Agriculture, the Vocational Training Bureau of the United States Office of Education, the International Association... | |
 | Tennessee Valley Authority - 1939 - 128 páginas
...MAPPING The classifying and mapping of soils in the Tennessee Valley are carried on cooperatively by the Bureau of Chemistry and Soils of the United States Department of Agriculture, agricultural experiment stations of Valley States, and the Authority. Soils are being classified, mapped,... | |
 | United States. Congress. House. Comm't on the Dist. of COlumbia - 1939 - 42 páginas
...Board of Fire Underwriters, the National Fire Waste Council of the United States Chamber of Commerce, the Bureau of Chemistry and Soils of the United States Department of Agriculture, the Vocational Training Bureau of the United States Office of Education, the International Association... | |
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This unit was established in 1931 by the Bureau of Chemistry and Soils of the United States Department of Agriculture for research in health hazards of food constituents and contaminants, spray residues, and insecticides. 
