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Ken is so accommodating and professional. We really respect & trust his opinions. ” - Debra K.

Healing Trees with Micronutrient Injections by ArborJet: Before & After

Getth Nelson, Certified Arborist, began the healing process for these severely neglected Post Oaks by injecting them with micronutrients from ArborJet. This is an industrial property that hasn't focused much on tree care for the past 25 years. Trees have steadily become weaker and weaker due to construction, heavy rains, lack of fertilizing or pruning, and other environmental elements. They have even begun to  show significant dieback within the canopy.

The trees have also been affected by chlorosis, a sign of iron and nitrogen deficiencies, underdeveloped foliage, and leaf scorch, a bacteria that causes foliage to look “scorched” on their edges.

Beforeafter Ptsgetth3

The leaf scorch is a result of chlorosis coupled with heavily compacted soils from rain and construction. In addition, most of the trees had large paved areas around them. The combination of multiple issues resulted in weak, compacted soil with little to no available nutrients or oxygen.

The first treatment option to aerate the surrounding was put on hold temporarily, as there is current
construction taking place. Aeration is vital to help break up soil that has been compacted from years of heavy foot and vehicle traffic. Soil aeration will be completed in Spring (2016) after construction.


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The new property manager is committed to improving the health of their trees and willing to do whatever it takes to make sure these old Post Oaks are preserved.

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Beforeafter Ptsgetth1

Next, we directly injected Min-Jet micronutrients directly into the trees for quick uptake. We also performed two root stimulation soil injections and two SEASONS feeds. The deep root soil injections can only be performed in certain areas, as the parking lots limit access to vital feeder roots. This setback is what prompted the additional use of Min-Jet to deliver nutrients straight into the tree’s vascular system. Using Arborjet technology allowed us to bypass feeder roots that were covered by pavement.

Beforeafter Ptsgetth2

The results from the nutrient injections were nearly immediate. The before pictures shown were taken in June (2015), and the after pictures were taken just 4 weeks later!  

What exactly are micronutrient injections? When trees are nutrient deficient, a boost with a special blend of manganese, iron, zinc, boron and copper will help to fortify them and get them on to the road to recovery. We employ the ArborJet system to offer important nutrients directly to the tree just as you would an IV into a person. Preservation Tree Staff is trained and kept up-to-date with the latest in ArborJet technology. We continue to offer education through each year, on how to administer injections such as Min-Jet.

We’re thrilled to see the success of these healing trees. To remain healthy and thriving, they will require additional attention moving forward. Years of neglect have left the soil nutrient and oxygen depleted. With continued care, we’ll see dramatic improvement each year moving forward.



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Categories: Tree Nutrition
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Posted: January 19, 2016