Growth of Spruce
Growth in the month after germination is quite slow. The top has developed primary needles, but the secondary needles have not yet appeared. At the end of this time the root has developed as a single, unbranched, or only slightly branched, taproot with a fairly small absorbing surface and occupying a small volume of soil.
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Author(s): Mike Meagher
Event:
Proceedings of the Ninth Biennial Western Nurserymen's Meeting
1964 - Boise, Idaho