Search Results

You are looking at 1 - 1 of 1 items for

  • Author or Editor: P. Fenn x
Clear All Modify Search
Authors: and


Seedlings of red oak (Quercus rubra L.) grown in various planting media without nutritional supplements developed marginal necrosis and puckering on their first whorl of leaves. These symptoms were prevented by supplying Ca++ to seedlings growing in a vermiculite-peatmoss mixture. An exogenous supply of Ca++ was also required for initial growth in silica sand.

Open Access