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By: Salisbury, Morse, - Knight, Henry Granger, - United States. Bureau of Chemistry and Soils. - National Broadcasting Company.Edition:Publication info: [United States], [Department of Agriculture], August 31, 1932Volume: 1932Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Apples Bureau of Chemistry and Soils Control Insect pests National farm and home hour (Radio program) Radio addresses, debates, etc Radio programs Research United StatesBHL Collections:
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By: Knight, Henry Granger, - United States. Bureau of Chemistry and Soils. - National Broadcasting Company.Edition:Publication info: [United States], [Department of Agriculture], January 6, 1933Volume: 1933Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Bureau of Chemistry and Soils National farm and home hour (Radio program) Radio addresses, debates, etc Radio programs Research Soil microbiology United StatesBHL Collections: