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Creator Personal Names
Pierre, W. H. (William Henry), 1898-
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Creator Personal Names
Pohlman, G. G. (George Gordon), 1902-
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All Creators
Pierre, W. H. (William Henry), 1898-
Remove constraint All Creators: Pierre, W. H. (William Henry), 1898-
All Subjects
Corn--Analysis.
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Subject Topical
Soils--Phosphorus content.
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