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Line drawing of two oak seedlings with roots in a divided container, showing differing soil compositions.

Line drawing of two oak seedlings with roots in a divided container, showing differing soil compositions.

Have a line drawing: a rectangle container with a solid divider that split it to 1/3 and 2/3 in volume. One oak (Quercus virginiana) seedling split its roots half and half on the two sides of the divider. In the 2/3 side of the container, there is one other oak seedling. The two sides contain different nutrient solutions. No text labels. Mehr sehen