The University of Arizona

Author Details

Johnson, Douglas A.

  • Vol 59, No 6 (2006) - Articles
    Long-Term Dynamics of Production, Respiration, and Net CO2 Exchange in Two Sagebrush-Steppe Ecosystems
    Abstract  PDF
  • Vol 61, No 4 (2008) - Articles
    Physiological and Morphological Characterization of Basalt Milkvetch (Astragalus filipes): Basis for Plant Improvement
    Abstract  PDF
  • Vol 62, No 5 (2009) - Articles
    Root Responses to Short-Lived Pulses of Soil Nutrients and Shoot Defoliation in Seedlings of Three Rangeland Grasses
    Abstract  PDF