At BioLogic Systems, we believe that proper soil management is the key to ultimate success. Whether you are seeking hourly consultation, soil testing, or complete site design and support, our service programs offer a variety options to meet your needs.
BioLogic Systems now offers Service Center locations in Penn Valley and Sebastopol California. Come in to see our full stock of organic soil products and equipment or inquire about services provided at our facilities including:
Our Penn Valley operates regular public retail hours. See our company page for store hours and directions. Services at our Sebastopol location our available by appointment only. Call us at (707) 861-9316 for services and times available at our Sebastopol location.

Expert advice and assistance on any BioLogic related topic of choice available by the half hour.
Most spray and irrigation equipment is designed for delivering only fine particulate and soluble products. Fine mesh filters prevent the passage of many biological products and many pumps damage microorganisms. Let our technicians assess, modify, and test your existing equipment for effective use with microbial products.
Our goal is to independently observe and test a client’s growing or product manufacturing system in order to evaluate how the system can be optimized to meet specific goals. After conducting a site visit, client interview, and full analysis of test data, Biologic Systems consults with its team of advisors to provide a complete report of observations and informed recommendations. This is followed by a client conference for further discussion. The IOA protocol is customized for each client’s specific needs and may include a variety of product, soil, compost, and plant tissue testing. This process often serves as a starting point for ongoing consulting relationships through our service programs.

Let us manage the application regiment of your residential, commercial, or agricultural landscape. We don’t guess… we test! Our services begin with soil testing to formulate applications specific to your landscape needs. Rates vary by location and soil quality.
BioLogic Programs provide flexible, long-term support for growers and product manufacturers ranging from basic monthly retainers to complete system design. Our BioAnalyticsTM software allows us to visually track and monitor client systems, offering uprecedented tools for observing and cross-referencing a variety of soil data. This capability empowers our clients to make precise adjustments to their management protocols, increasing efficiency and while decreasing overhead costs. Contact us to learn how a BioLogic Program can work for you.
BioLogic Systems offers manufacturers of organic materials and application equipment assistance in formulating new products or improving existing product lines. From conducting controlled trials in our research greenhouses to sourcing raw materials, let us help you to increase your products’ functionality, profitability, and sustainability.
For growers seeking comprehensive analysis of their soil(s) this customizable package is intended to offer a complete site soil analysis and data interpretation. The CSAP package will include a combination of biological and chemical analysis specific to any grower’s context. Contact us and request our CSAP survey to get the process started.
Need help collecting true representative soil or leaf tissue samples? Our trained technicians can work with you to develop a testing protocol for collecting and submitting samples.
Do you have compaction layers in you fields? How many? At what depths? Using our soil penetrometer and GPS mapping technology we can assess and monitor your soil compaction in all areas of your growing system.
This in-house test offers quick turnaround qualitative testing for:
Accurately interpreting soil and plant tissue test data is key to developing successful management strategy. Let one of our specialists help you to make the most of your data and provide you with a written product application recommendation.