Stop Guessing! Start Testing! Optimize Your Soil. Maximize Your Harvest.

Get a complete understanding of your orchard or vineyard soil health with our full-service soil testing package — designed to boost plant vitality, correct nutrient imbalances, and increase yields from the root zone up.

Package Includes:

On-Site Soil Sampling (within San Diego County)

Our team visits your property, orchard or vineyard to collect accurate soil samples.

Composite & Zone-Based Collection

We gather samples from multiple areas and root zones to create either a composite sample (overall snapshot) or zone-based samples (block-by-block insight). This ensures highly representative results for mixed terrains or larger operations.

Shipping & Handling to Certified Lab

We handle all logistics — your samples are properly packaged and shipped directly to our trusted lab partners for fast, reliable analysis.

Comprehensive Lab Analysis Includes:

1. Complete Soil Test

A full chemical and mineral profile of your soil.
This test measures:

pH & Buffer pH – determines acidity and how easily pH can be adjusted.

CEC (Cation Exchange Capacity) – indicates soil fertility potential and nutrient-holding ability.

Macronutrients & Micronutrients – N, P, K, Ca, Mg, S, Fe, Mn, Zn, Cu, B, etc.

Organic Matter % – affects water retention, nutrient cycling, and soil biology.
This test shows you the long-term nutrient balance and what your soil contains.

2. Saturated Paste Test

A root-zone water-soluble nutrient test.
It measures what nutrients are actually available to the plant right now, including:

Soluble salts

Calcium, magnesium, potassium, sodium

Chloride, sulfate, nitrate

Root-zone pH and EC (electrical conductivity)

This test is critical because plants drink nutrient solution, not soil particles — it tells you what the roots are experiencing in real time.

3. Plant Tissue Analysis

A direct measurement of nutrients inside the plant leaves or shoots.
It identifies:

What the plant has successfully absorbed

Hidden deficiencies or toxicities

Imbalances affecting growth, yield, or fruit quality

When combined with soil data, tissue testing shows both what’s available and what the plant is actually taking up — closing the loop.

Custom Agronomist Recommendations

Our agronomist analyzes all three tests together (soil chemistry, water-soluble nutrients, and plant uptake) to craft the most accurate, crop-specific nutrient plan possible — tailored to your orchard or vineyard goals.

DIY Option: Apply nutrients yourself using our prescription plan.

Done-for-You Option: The San Diego Microbes team can blend and or apply everything for an (additional fee.)

Follow-Up Consultation

Follw up to review the results, understand the recommendations, and map out your next steps for optimal soil and plant performance.