American fertilizer practices
Subtitle: (second survey) : a report relating to the use of commercial plant food : presenting information obtained by a survey among 32,000 farmers in 35 states
By: by H.R. Smalley, Robert H. Engle, Herbert Willett.
Contributors: Engle, Robert H., 1895-; Willett, Herbert, 1902-; National Fertilizer Association (1925-1955)
Publisher: The National Fertilizer Association
Published: 1939
Place of publication: Washington, D.C
Language: eng
Number of pages: 128
Subjects: Fertilizers -- United States -- Statistics; Agriculture -- United States -- Statistics
Genres: Statistics.
Notes: Includes index.