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Table on mineral concentration on soil horizons
Mineral concentration on soil horizons
Mineral elements present in soil horizons (table)
Mineral elements in soil
Nitrogen and dry weight mg per 1000 sedlings measurements (graph)
Change in nitrogen mg (weight) in white spruce seedlings after drying
Height increment in red pine overtime (graph)
Boreal tree species height growth over time
Tree species height increment over time (graph)
Graph on average height increment
Total amount of roots/sq m in two tree species
Table of comparison between two tree species
Volume of roots as percent of soil volume(table)
Table on volume differences between two tree species
Graph on fertilizer effects on tree height growth over time
Experiment results
Fig 5 Oregon
Nutrient intake rate over time in white spruce
Sandy slope near water body
Picturesque view of a shore landscape