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The Arborist Blog

Emerald Ash Borer

on Friday, 08 May 2015.

Many folks are well aware that a very aggressive insect pest called the Emerald Ash Borer (EAB) was detected in Boulder, CO in September 2013. EAB is an outright killer of ash trees and there are efforts under way to slow or confine the attack. It is now thought that EAB has actually been in Boulder for six years before it was detected.

Winter Watering for Your Trees

on Thursday, 04 December 2014.

There seems to be questions about winter watering for your trees.

Some people hire a company to do this for them. I feel this is an unnecessary expense.

Some people will use a probe type “root feeder.” A very common mistake with this method is inserting the probe too deep in the soil. Most of the trees feeder roots will be in the top 6-8 inches of the soil.

Envirotree - Plant-Soil Nutrient Exchange

on Wednesday, 23 October 2013.

Photosynthesis draws water & nutrients up from the roots to interact with sunlight and atmospheric gases, producing carbohydrates & certain energy-laden biochemicals.

Sulfur builds chloroplasts used in photosynthesis.

EnviroTree directions for use

on Monday, 10 June 2013.

Shake the product well.

I have found it easiest to set the jug on its side and rock it back and forth to be easiest for me.

EnviroTree and Ultimate Turf Overview

on Saturday, 04 May 2013.

Mortensen is on the cutting edge of science and plant health care tirelessly promoting EnviroTree, Ultimate Turf and other products produced by Solutions 4 Earth/ Biotech Nutrients, LLC. These products are mostly food grade ingredients and are much more environmentally friendly than traditional synthetic programs. “The Department of Agriculture labeling requirements and how most tree companies market their services is so counterproductive to real soil and plant health. Our biggest issues in Colorado are soil health. If we can promote a healthy soil, we can then produce roots to support the trees, plants and turf in our landscapes” says Mortensen.

“Lacka Rootis” – Plant Problems

on Thursday, 18 April 2013.

Most plant problems can be attributed to an inferior or lacking root system.

Whether we are looking at trees or turf, most plant problems can be attributed to the soil which is not allowing sufficient root development to support the top health of the plant. Most insect and disease problems are the result of environmental stress. If we can improve the growing conditions in their environment they are less susceptible to insects and disease. That is what we do at Mortensen Tree Service; we evaluate the soil to get at the root of the problem.

Snow Loading in Trees

on Saturday, 23 March 2013.

By Mark Mortensen, ISA Certified Arborist, RM-1002

A common request is to thin a tree out excessively with the anticipated outcome of allowing snow to pass through the branches minimizing the chance of broken limbs from spring or fall snow storms when the deciduous trees are in leaf. Another common concern is that the trees branches will touch or rest on the roof as a result of snow loading.

If this request is fulfilled and the tree is excessively thinned the tree may actually become more vulnerable to storm damage. Let me explain why a denser tree can better survive and “weather the storm” without storm damage or limb failure.

Wind Loading in Trees

on Saturday, 23 March 2013.

By Mark Mortensen, ISA Certified Arborist, RM-1002

Two other common requests are to thin a tree out excessively to minimizing the likelihood of broken limbs from high winds, or to raise the canopy on spruce or pine trees.

Again, like the snow loading in trees, if this request is fulfilled and the tree is excessively thinned or raised the tree may actually become more vulnerable to storm damage. Let me explain why a denser tree can better survive and "weather the storm" without storm damage, limb failure or being "wind-thrown."