• A Tool and Method for Extracting Plant Root Soil Cores on Remote Sites

      Brown, G. R.; Thilenius, J. F. (Society for Range Management, 1977-01-01)
      A portable, man-operated tool for extracting intact cores of soil, roots, and above-ground plant parts on sites inaccessible to motor vehicles can be constructed for less than $125.00. Two men can extract up to 125 cores in 4 hours.