Ralph M. Lindgren

Books by Ralph M. Lindgren

Total count: 7

• Field observations of needle rusts of spruce in Minnesota

  1933-01-01
• Fungus control as one means of safeguarding future markets for wood

  1935-01-01
• Thinning pines cankered by fusiform rust

  1948-01-01
• Care needed in thinning pines with heavy fusiform rust infection

  1948-01-01
• Damage from heavy fusiform cankering in '49 can be reduced

  1950-01-01
• Common Southern forest tree diseases

  1950-01-01
• The disease problem in relation to tree improvement

  1951-01-01