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  1. By: Swanson, E. R. (Earl Raymond), - Taylor, C. R. - Van Blokland, P. J.
    Publication info: Urbana, Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign, 1978
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Control  Economic aspects  Environmental aspects  Illinois  Nitrogen fertilizers  
  2. By: Radwan, M. A., - DeBell, Dean S. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - United States. Forest Service.
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1980
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of nitrogen on  Nitrogen fertilizers  Plants  Western hemlock  
  3. By: Radwan, M. A., - Shumway, John S. - DeBell, Dean S. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.) - United States. Forest Service.
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service, 1979
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Douglas fir  Effect of manganese on  Effect of nitrogen on  Fertilization  Forest soils  Nitrogen fertilizers  Plants  
  4. By: Jacobsen, Glenn L. - Thompson, Richard A. - Ryker, Russell A. - United States. Forest Service. - Intermountain Forest and Range Experiment Station (Ogden, Utah)
    Publication info: Ogden, Utah, Intermountain Forest & Range Experiment Station, 1980
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Growth  Idaho  Nitrogen fertilizers  Phosphatic fertilizers  Ponderosa pine  Trees  
  5. By: Allison, Franklin E. (Franklin Elmer), - Braham, J. M. (Joseph Marvin), - McMurtrey, J. E. (James Edward),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1924
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Nitrogen fertilizers  
  6. By: Lathrop, Elbert C. (Elbert Clyde),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1914
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Nitrogen fertilizers  
  7. By: Welch, L. Fred,
    Publication info: Urbana, Ill, Agricultural Experiment Station, College of Agriculture, University of Illinois at Urbana-Champaign, 1979
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Assimilation  Nitrogen fertilizers  Plants  
  8. By: Turrentine, J. W. (John William),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1913
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Nitrogen fertilizers  United States  
  9. By: Cochran, P. H. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or, Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, [1978]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Deschutes National Forest  Fertilization  Forest soils  Growth  Nitrogen fertilizers  Oregon  Ponderosa pine  
  10. By: Miller, Richard E. - Pienaar, Leon V. (Leon Visser), - 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, Forest Service, 1973
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Fertilization  Forest soils  Growth  Nitrogen fertilizers  Trees  
  11. By: Morgan, M. F. (Mont Francis), - Jacobson, Henry G. M.
    Publication info: [New Haven], Connecticut Agricultural Experiment Station, 1942
    Holding Institution: University of Connecticut Libraries
    Subjects: Connecticut  Effect of nitrogen on  Lysimeter  Nitrogen fertilizers  Plants  
  12. By: Graham, Russell T. - Tonn, Jonalea R. - Intermountain Research Station (Ogden, Utah)
    Publication info: [Ogden, Utah], U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1985
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Effect of nitrogen on  Fertilizers  Idaho  Nitrogen fertilizers  Plants  Trees