How Forest Trees Grow
http://learningstore.uwex.edu/pdf/G3277.pdf
Knowing how forest trees grow can help woodland owners predict yeilds. Being able to understand the growing cycles of different trees will also help the owner decide when and how to plant, thin and prune trees to increase wood production.
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(Added: 20-Oct-2008 Hits: 1161 Rating: 8.00 Votes: 3) Rate It
Why Leaves Change Color-The Physiological Basis
http://www.ces.purdue.edu/extmedia/FNR/FNR-FAQ-5.pdf
This publication explains the color change of leaves by discussing plant pigments, the physiology and anatomy of leaves, and the influence of climate and seasonal weather conditions.
(Added: 20-Oct-2008 Hits: 761 Rating: 5.00 Votes: 2) Rate It
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