The absorption of nitrogen, phosphorus, and potassium by Pennsylvania cigar-leaf tobacco as modified by environmental conditions
By: a thesis by Joseph James Thomas
Series: USAIN state and local literature preservation project; Pennsylvania agricultural literature on microfilm
Published: 1935
Language: eng
Format: [microform] /
Number of pages: 81
Subjects: Tobacco; Analysis; Composition
Notes: Thesis (Ph. D.)--Pennsylvania State College.

Bibliography: leaves 76-81.

Microfilm. University Park, Pa. : Pennsylvania State University, 1997. 1 microfilm reel ; 35 mm. (USAIN state and local literature preservation project. Pennsylvania) (Pennsylvania agricultural literature on microfilm).

Archival master stored at National Agricultural Library, Beltsville, MD : print master stored at remote facility.