Soils

Soils

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Subject
Author
  • (-) Crop and Soil Science (7)
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  • (-) Oregon Digital (7)
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  1. Horse drawn equipment, 1926

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    Oregon Experiment Station

  2. Horse drawn flatbed wagon, 1926

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    Oregon Experiment Station

  3. Harvesting with horse drawn equipment, 1922

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    Oregon Experiment Station

  4. Cutting vetch, June 4, 1919

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    Oregon Experiment Station

  5. Threshing vetch

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    Oregon Experiment Station

  6. Field scales

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    Oregon Experiment Station, 1923

  7. Vetch being cut by horse drawn farm equipment

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    Oregon Experiment Station

Landscapes and Ecosystems