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Subject Source: Library of Congress Subject Headings
Scope Note: Created For = NAHSTE

Found in 1 Collection or Record:

Plant Food in Soil, Broadback Field, Rothamsted, 1870s-1930s

Identifier: Coll-1434/2956
Scope and Contents Informational graph on the total available plant food in soil compared with that removed in wheat crop at Broadback Field, Rothamsted, [England] in the early/mid 20th century.
Dates: 1870s-1930s