CAMPBELL — Like any plant, trees require nutrients to grow and flourish. While trees typically derive nutrients from the soil, under certain circumstances they may not be able to get adequate nutrition, which can put them in a state of stress. This can occur when trees are situated near lawns or in areas of dense vegetation, where competition for water, nutrients and minerals is intensified. In cases of extreme nutrient deficiency, a good remedial measure is deep root fertilization.
Deep root fertilization utilizes hydraulic injection to deliver nutrients directly into the soil at the tree’s root level. The nutrients are conveyed in the form of a liquefied solution, which makes it easier for the roots to absorb them. In addition to supplying nutrition to the tree, the hydraulic injection’s lateral spray aerates the soil, providing much-needed oxygen to the roots.
Depending on the tree’s needs, deep root fertilization is typically applied one or two times annually. By providing both nutrition and oxygen, this supplementary measure can go a long way toward safeguarding the health of at-risk trees.

Deep Root Fertilization

Discover the benefits of deep root fertilization, a technique that ensures the health and vitality of your trees by delivering essential nutrients directly to the roots.

Deep Root Fertilization by Simon Tunnicliffe

by Simon Tunnicliffe, a Diamond Certified Expert Contributor

Video: Deep Root Fertilization



When it comes to caring for trees on your property, one helpful measure to consider is deep root fertilization. Today, we're in Campbell with diamond certified expert contributor Simon T Cliff of West Valley arboris to learn more.

One of the services that we offer here at West Valley arboris is deep root fertilizing of trees. The reason we do this is we like to replenish the trees with nutrients and minerals that are already in the soil. The way we do this is the hydraulic soil liquid injection method. As you can see here, Michael is basically pushing the probe down into the roots of the tree.

We don't want to go down any further than about 14 in there, so we reach all the fibrous hairy feeding roots that will absorb the fertilizer that's suspended in water. What we do is we basically move around the tree in a spoke bicycle spoke pattern, moving the needle every 18 in on Center and then reapplying. As you can see, he's just pushing that down into the soil there and then applying the pressure.

This is hydraulically introduced to the soil. It sprays laterally, so it aerates the soil at the same time. The primary reason why we do this is because we need to replenish nutrients that aren't always available to the tree. A lot of the times, especially in a lawn situation like this, you've got competition. The grass is competing for the nutrients, the minerals, the moisture.

So we've actually found some remarkable results by doing this application, and that's something that we do either yearly or by-yearly, all depending on the tree's needs. At the end of the day, it's all about the tree. To learn more from locally operated companies, visit our Diamond certified expert reports at experts. Diamond certified. org.

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