Keyphrases
Douglas-fir
100%
Pacific Northwest
100%
Harvest Intensity
100%
Vegetation Control
100%
Intensity Control
100%
Soil Phosphorus Fractions
100%
P Fractions
50%
Control Method
25%
Soil Depth
25%
Bole
25%
Phosphorus P
12%
Soil Properties
12%
Fe Concentration
12%
Fractionation Process
12%
Soil Phosphorus
12%
Plantation
12%
Small Changes
12%
P Availability
12%
Residuum
12%
P Concentration
12%
Old Soils
12%
P Dynamics
12%
Tree Vegetation
12%
Long-term Productivity
12%
Young Soils
12%
Al Concentration
12%
Glacial Outwash
12%
Pseudotsuga Menziesii (Mirb.) Franco
12%
P Pools
12%
Whole-tree Harvesting
12%
Harvest Control
12%
Intensive Forest Management
12%
Andic Properties
12%
Short-range Order Minerals
12%
P Fractionation
12%
Long-term Site Productivity
12%
Agricultural and Biological Sciences
Fir
100%
Soil Depth
100%
Forest Management
50%
Pseudotsuga menziesii
50%
Soil Property
50%
Plantation
50%