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USFS Logo Research Data Archive

PCT and fertilization

Output variables:

The following variables are always included:
  • Experiment ID
  • Treatment Code
  • Fertilizer Treatment
  • PCT Treatment
  • Plot Number
  • Inventory
  • Year of Inventory
  • Species Code
  • Comments on tree

Optional variables:

Filter criteria:

Treatment Code:
Year of Inventory:
(1976 to 2009)
Species Code:

Summarize data:

(Skip if you want to see raw data for your selected time period.)
Summary statistics:
(Required for summary data.)
Summarize by factors: