A soil test for nitrogen availability in the northeastern United States

  • Frederick R. Magdoff
    a Department of Plant and Soil Science , University of Vermont , Burlington , VT , 05405
  • William E. Jokela
    a Department of Plant and Soil Science , University of Vermont , Burlington , VT , 05405
  • Richard H. Fox
    b Department of Agronomy , Pennsylvania State Univ. , University Park , PA , 16902
  • Gary F. Griffin
    c Department of Plant Science , University of Connecticut , Storrs , CT , 06268

書誌事項

公開日
1990-08
DOI
  • 10.1080/00103629009368293
公開者
Informa UK Limited

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