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NALDC Record Details:

Sources and Cycles of the Nutritive Elements.

File:
Download [PDF File]
Author(s):
Kraus, E.J.
Format:
p. 405-417.
Language:
English
Year:
1939
Series:
Yearbook of agriculture
Rights:
This item is authored by federal employees as part of their official duties and are therefore non-copyrightable and/or published by the federal government and now in the public domain.