Contributions

  • Knapp, George L. - Contributor

Publication

1972 - , Washington, District of Columbia

Language

English

Word Count

76,500 words, Guess

Page Count

306 pages

Identifiers

Classifications

  • DDC016.6314/17
  • LCCZ5862.2.S6 W37

Subjects

Topics

SoilsBibliographyNitrogen cycleSoil pollutionNitrogen contentSoil pollution -- BibliographySoils -- Nitrogen content -- Bibliography

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