PHC

What Is Tree Biomechanics and Why Should I Care?

Biomechanics is the combination of two sciences – biology and physics. It’s the study of biological organisms from a mechanical perspective. Mechanics is the study of objects’ motion and is based on Newton’s three laws of motion. Those three laws are: If we want to understand how a bird flies or how a tree fails […]

Three Scale Amigos in the City: Who They Are and Why They Outbreak

More than 55% of the world population now lives in cities, according to an October 2022 report by the World Bank. This percentage is expected to increase to nearly 70% by the year 2050. As once-natural areas become developed and forests and grasslands are turned into the homes, businesses, institutions and attendant infrastructure that comprise […]

Tree-injection technology is seen as an alternative to banning individual control products in many states, according to Arborjet's Rob Gorden. Shown here is Arborjet's QUIK-jet Air injection tool. Photo courtesy of Arborjet.

What Are the Alternatives to Neonicotinoid Pesticides?

A ban on some uses of neonicotinoid pesticides in New Jersey will go into effect in fall 2023. With existing restrictions in five other states and at least 11 more states considering limiting use of the pesticides, it is time to look at what else is available to take their place for those providing care […]

Staff at Joseph Tree Service LLC used an air excavation tool to decompact the soil around this red oak and lower the grade by 4 inches to establish proper root flare. They then added organic soil amendments. Photo courtesy of the author.

Modern Organic Amendments: A Practical Approach to Urban Soil Health

In my December 2022 article in TCI Magazine, “The Plight of Urban Soils,” a majority of the content focused on the issues with urban soils and how they are notably different from natural forest and prairie soils. There is mention of modern organic-matter (OM) products and how organic-matter inputs can help improve urban soils. (Photo […]

Let’s Build Strong Foundations (We and the Trees) by Removing the Dirt on Top

You may be wondering what we and the trees have to do with foundations. For anything to be successful, it must have a strong foundation, and this is no different when we discuss tree health. While trees are amazingly resilient, many silently struggle for multiple reasons. One very common reason is how they were planted […]

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