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 […]

The Plight of Urban Soils: A Combination of Stress Factors

What is soil? One of the most important characteristics of soil that is often overlooked is the fact that soil is alive. It’s not just alive in the sense that living things are some byproducts of soil or are simply occupying space in the soil. These living organisms are, quite literally, the only way plants […]

Organic vs. N-P-K Fertilizers: Balanced vs. Specific

If you go to a local landscape supply store and look on the fertilizer shelves, you may find a variety of different products. Most of those products are going to be N-P-K fertilizers and will have some ratio of primary nutrients (macronutrients), such as 27-9-9 or 10-10-10, combined with a short list of micronutrients and […]

TCIA Arborist Skills: Avoiding and Cleaning Up Chemical Spills

When dealing with chemical spills – the chemicals we use on a daily basis in the tree care industry – this is a very real possibility. These spills must be addressed in a cautious and appropriate manner, but, more important, extra care is required so that these spills do not happen in the first place! […]

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