Soil Nutrient & Health Testing in portland Oregon

Healthy Soil. Stronger Trees. Smarter Growth.

Healthy trees start with healthy soil. At Arborists of America, Inc., we provide advanced Soil Nutrient & Health Testing services to help property owners, HOAs, and landscape managers make informed decisions about tree care, fertilization, and long-term plant health.

Whether you're planting new trees, managing an established landscape, or troubleshooting poor growth, our soil testing services give you the science-backed answers you need — no guesswork, no over-fertilizing.

What We Test For:

Our basic and advanced soil analysis includes:

• Macronutrients: Nitrogen (N), Phosphorus (P), Potassium (K), Calcium (Ca), Magnesium (Mg), Sulfur (S)

• Micronutrients: Iron (Fe), Zinc (Zn), Copper (Cu), Manganese (Mn), Boron (B)

• Other Key Indicators:

  • Soil pH and lime requirement

  • Organic matter content

  • Total carbon and nitrogen

  • Ammonium-N and Nitrate-N availability

  • Soil texture, structure, and cation exchange capacity (CEC) (upon request)

Why Soil Testing Matters in Oregon

Oregon's diverse geography — from coastal rainforests to clay-heavy urban soils in Portland — means every property presents unique challenges. Poor drainage, nutrient lockout, and over-acidification are common problems that go unnoticed until it's too late.

With accurate lab results and expert arborist interpretation, we can help you:

• Pinpoint nutrient deficiencies or toxicities

• Optimize fertilization plans

• Improve root growth and water retention

• Reduce risk of disease and pest pressure

• Support long-term tree and shrub vitality

Ideal For:

• Tree and landscape health assessments

• Pre-planting soil analysis

• Troubleshooting unexplained dieback or poor performance

• Organic or sustainable land management

• Orchards, vineyards, and estates managing high-value plants

How It Works:

1. On-Site Sample Collection by our arborist team

2. Laboratory Analysis through a certified ag lab

3. Customized Report with nutrient levels and recommendations

4. Fertilization & Soil Care Guidance tailored to your site and tree species

Invest in the Groundwork

Don’t treat your trees blindly. A single soil test can prevent years of damage, misdiagnosis, and wasted treatments. Let Arborists of America, Inc. provide the insight and strategy to build healthy soil — and healthier trees.

Contact us today to schedule a Soil Health Evaluation in Portland or anywhere across Oregon.