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2. Tree shelter - Wikipedia

   en.wikipedia.org/wiki/Tree_shelter

   Additionally, tree tubes accelerate growth by providing a mini-greenhouse environment that reduces moisture stress, channels growth into the main stem and roots and allows efficient control of weeds that can rob young seedlings of soil moisture and sunlight. Young trees protected in this way have a survival rate of around 85%, but without a ...

3. Branch collar - Wikipedia

   en.wikipedia.org/wiki/Branch_collar

   A branch collar is the "shoulder" between the branch and trunk of woody plants; the inflammation formed at the base of the branch is caused by annually overlapping trunk tissue. [1] The shape of the branch collar is due to two separate growth patterns, initially the branch grows basipetally, followed by seasonal trunk growth which envelops the ...

4. Girdling - Wikipedia

   en.wikipedia.org/wiki/Girdling

   Girdling prevents the tree from sending nutrients from its foliage to its roots, resulting in the death of the tree over time, and it can also prevent flow of nutrients in the other direction depending on how much of the xylem is removed. A branch completely girdled will fail; and, when the main trunk of a tree is girdled, the entire tree will ...

5. Branch attachment - Wikipedia

   en.wikipedia.org/wiki/Branch_attachment

   Branch attachment in common ash Fraxinus excelsior L. Figure 1: Anatomical drawing of the wood grain of a branch attachment in a tree. Initially branches are mechanically attached to the trunks of trees by forming interlocking wood grain patterns at the top of the joint, within what is known as 'axillary wood' (Fig. 1). [1]

6. ‘You get one split second’: The story behind a viral bird photo

   www.aol.com/one-split-second-story-behind...

   After more than a month, he snapped a perfectly timed image in which a murmuration resembled the leafy crown of a bare-branched tree on the lakeshore. “I thought that was the shot,” he recalled.

7. Tree injection - Wikipedia

   en.wikipedia.org/wiki/Tree_injection

   Trunk injection or endotherapy also known as vegetative endotherapy, [1] [2] [3] is a method of target-precise application of pesticides, [4] [5] [6] plant resistance activators, [7] or fertilizers [8] into the xylem vascular tissue of a tree with the purpose of protecting the tree from pests, or to inject nutrients to correct for nutrient deficiencies.