TY - BOOK T1 - Effect of pH on the Black Shank Disease of Tobacco T2 - Technical Bulletin ; A1 - Troutman, Joseph L. A2 - Laprade, J. L. PP - Virginia PB - AgriculturaL Experiment Station YR - 1962 UL - http://vufind10-pruebas.sigbunlp.bibliotecas.unlp.edu.ar/Record/dun.167751 OP - 11 ER -