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  1. By: McNamara, Homer C. (Homer Charles),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1927
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Cotton  Cotton growing  Greenville  Spacing  Texas  
  2. By: Beattie, James H.
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1927
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Peanuts  Seeds  Spacing  
  3. By: Guitard, A. A. - University of Alberta. Department of Plant Science.
    Publication info: [1947]
    Holding Institution: University of Alberta Library
    Subjects: Barley  Plant proteins  Spacing  Wheat  Yields  
  4. By: Barrett, James W. (James Willis), - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1983
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Oregon  Ponderosa pine  Spacing  
  5. By: Seidel, Kenneth W. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1985]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Abies grandis  Growth  Internet resource  Oregon, Central  Ponderosa pine  Spacing  Tree planting  Trees  
  6. By: Seidel, Kenneth W. - Pacific Northwest Research Station (Portland, Or.)
    Publication info: [Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1989
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Forest thinning  Growth  Lodgepole pine  Oregon  Ponderosa pine  Spacing  Trees  
  7. By: Barrett, James W. (James Willis),
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, 1970
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Ponderosa pine  Spacing  
  8. By: Barrett, James W. (James Willis), - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, [1965]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of forest management on  Oregon  Ponderosa pine  Pringle Falls Experimental Forest  Spacing  Thinning