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Experiments on the value of greensand as a source of potassium for plants.
LIBRA 378.748 POA1924.7
Available from offsite location
LIBRA 631.2 Sk23
Available from offsite location
- Format:
- Book
- Manuscript
- Thesis/Dissertation
- Author/Creator:
- Skeen, John Robsin.
- Language:
- English
- Subjects (All):
- Penn theses--Botany.
- Botany--Penn theses.
- Local Subjects:
- Penn theses--Botany.
- Botany--Penn theses.
- Physical Description:
- 12 LL. : tables plates ; 29 cm
- Production:
- [Philadelphia], 1924.
- Notes:
- Thesis (M.A. in Botany)--Graduate School of Arts and Sciences, University of Pennsylvania, 1924.
- Bibliography: L. 16.
- OCLC:
- 244994679
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