AN ESSAY KEY FOR THE PHOTOIDENTIFICATION OF FARM CROPS AT SEVERAL INTERVALS DURING THE GROWING SEASON IN NORTHERN ILLINOIS. PART V. PHOTO APPEARANCE OF SMALL GRAIN FIELDS

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Document Details

Document Type
Technical Report
Publication Date
Sep 30, 1953
Accession Number
AD0026294

Entities

People

  • Clyde F. Kohn

Organizations

  • Northwestern University

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Aerial Photographs
  • Contrast
  • Depression
  • Drills
  • Farm Crops
  • Farms
  • Fertilizers
  • Geography
  • Identification
  • Military Research
  • Moisture
  • Photographs
  • Photography
  • Planting
  • Plants
  • Right Angles
  • Universities