Fig. 2. A soil probe pulling a layered core from a crop field.
Field-level sampling
We pull samples by block, zone and depth. Your results reflect your ground, not a field average.
Soil health services for California growers
Better decisions start below the surface
We sample your fields, read the results with you and recommend practical next steps. Then we apply amendments and track progress season by season. Built for farms, orchards and vineyards across California.
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What a soil assessment gives you
One team handles every stage, from the first soil core to the season-long follow-up.
Fig. 3. A printed soil report reviewed in the field.
Results you can act on
Lab numbers are only useful when explained. We translate pH, nutrients, salinity and organic matter into clear priorities.
Fig. 4. A handful of crumbly soil beside an annotated field map.
Structure and water retention
We look at how your soil holds water and air. Better structure supports roots and irrigation efficiency.
Also part of the service
- Fertility and amendment plansRecommendations fit your crop, your water and your soil type. No one-size-fits-all blends.
- Application handled for youWe apply soil amendments and conditioners as recommended. One team from test to field.
- Season-long technical supportSoil changes over time. We follow up, re-test when it makes sense and adjust the plan with you.
How it works
Sample and analyze
We walk your property, map sampling zones and collect soil samples. Samples go to the lab for analysis.
Interpret and recommend
We review the results with you. You get a written plan for correction, fertility and soil structure.
Apply and follow up
We apply the recommended amendments and conditioners. Then we monitor progress and refine the plan each season.
Services and pricing
Sampling, analysis and plans are billed per job. Application is billed per acre. Follow-up is billed monthly.
Soil Sampling & Lab Analysis
$65 per sample
Zone-based field sampling with lab analysis of pH, nutrients, salinity and organic matter.
Results Interpretation & Fertility Plan
$450 per property
A one-on-one review of your results with a written plan for soil correction and fertility.
Soil Structure & Water Retention Assessment
$600 per field
Field evaluation of compaction, infiltration and soil structure, with practical recommendations.
Amendment & Conditioner Application
$85 per acre
Application of recommended soil amendments and conditioners. Materials: contact our support team.
Seasonal Technical Follow-Up
$350/month
Ongoing field visits, progress monitoring and plan adjustments throughout the growing season.
Billed monthly. The follow-up program renews automatically each month until cancelled. To cancel, contact us through our contact page. Notice period and process: contact our support team.
Straightforward agronomy, clearly priced
- Itemized service pricing listed on this page
- Written recommendations you keep for your records
- contact our support team
Before you book, read our Refund Policy, Terms of Use and Disclaimer.
Practical soil science for California ground
California Agricultural Soilworks helps growers understand what is happening in their soil. From Central Valley row crops to coastal vineyards and foothill orchards, every field tells a different story.
Fig. 5. Labeling soil sample bags on a truck tailgate between orchard rows.
We combine field sampling, lab analysis and hands-on application in one service. Our focus is simple: clear information and practical steps that fit how your operation runs.
contact our support team
To give California growers a clear, practical understanding of their soil, and the support to improve it season after season.
CALIFORNIA AGRICULTURAL SOILWORKS, LLC · Reg. 200817510041 · 11000 E HIGHWAY 46 · [email protected] · +18054238376
Questions growers ask
Which properties do you work with?
We serve farms, orchards and vineyards in California. Service area: contact our support team.
How long until I get my soil test results?
Lab turnaround is contact our support team. We schedule the results review as soon as the report arrives.
How soon can you visit my property?
Field visits are usually scheduled within contact our support team, depending on season and weather.
How does payment work?
Sampling, analysis and plans are billed per job. Application is billed per acre. Follow-up is billed monthly. Accepted payment methods: contact our support team. Payment terms: contact our support team.
How do I cancel the monthly follow-up program?
Contact us to cancel. Notice period and process: contact our support team.
How do I request a refund?
Reach out to our team with your invoice details. Refund terms: contact our support team.
Are amendment materials included in the application price?
The per-acre price covers application. Material costs: contact our support team.
Can you guarantee higher yields?
No. Yields depend on weather, water, management and many other factors. We provide data-based recommendations to support better soil decisions. Results vary.
How often should I test my soil?
It depends on crop, soil and management. We recommend a testing schedule as part of your plan.
Ready to see what your soil is telling you?
Book a field visit. We will sample, analyze and walk you through the next steps.
Schedule a soil assessment