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The Ammonia Content of Soil and Its Relation to Total Nitrogen, Nitrates, and Soil Reaction


Author:
Harper, Horace J.
Source:
USDA
Year:
1925
Format:
p. 549-553.
Language:
English
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/IND43967128