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Managing Change in Our Community Forests: a Toolkit for Action

Managing Change in Our Community Forests: a Toolkit for Action Oregon Community Trees Thursday, June 4, 2015 from 8:00 AM to 4:00 PM (PDT) Portland, OR Invasive pests, changing climate regimes and increased urban density will cause changes in our urban forests in the coming years. What tools and strategies can managers use today to help our community forests adapt? This one-day conference will provide participants with a toolkit full of possibilities, based on the most recent research in our…

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How many leaves on a tree?

Many think about leaves in the fall, but what about spring when trees come out of dormancy and have to bud out all those leaves. As for the number, I have seen estimates as high as 7 million and as low as 20K for a mature tree. My guess it is probably around 200K on a large mature tree.  Do you know a good source to measure the number of leaves.  My favorite was from Georgia Gardner Walter Reeves for the simplicity. Below are some sources. Do you have a better source? The photograph is from…

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Removal of burlap from B & B trees WHY??????

When planting B &B trees I have come across the instructions in reputable aboriculture books, etc. which recommend removing at least the top half of burlap from the ball.  I can not find the reason WHY.  Yes, I assume that it helps the roots get started into the surrounding soil more quickly than if the burlap was left on---BUT--I can find no research (including the ISA of which I am a member) that tells WHY or IF this is important.   Does anyone have experience that would inform me?  Thank…

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15 Replies · Reply by Jim Binns Apr 1

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Tree-Mendous Maryland does not grow the trees we provide. We have a contract with a nursery that does that hard work for us. Shemin has provided Tree-Mendous with high quality trees and shrubs for many, many seasonsShemin normally only supplies hort…
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Believe it or not, this week marks the 20 anniversary of the bombing of the federal building in Oklahoma City.  One notable survivor of that fateful event is an elm tree which sat in a parking lot across from the Murrah building, and which is now th…
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Anne Gilbert published an article in Maryland Grove
Dig a hole 3 to 4 times wider than the container. The hole should have sloping sides like a saucer to allow for proper root growth.Carefully remove the tree from the container, keeping the soil around the roots intact. It helps to tap the outside of…
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