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Resources

Free guides for growers

Two short PDFs you can download, print and use. No sign-up.

First page of the Field Sampling Guide

Field Sampling Guide

PDF · 7 pages · 620 KB · September 2026

A step-by-step protocol for collecting soil, compost and liquid (extract, tea or water) samples for biology testing, so the sample tells you something true about the ground it came from.

  • Before you go: define the question, map the area, and choose sample locations at random from a numbered grid.
  • Collecting: how to take soil cores, compost grabs and liquid samples, and how to avoid contamination.
  • Handling: how much to collect, how full to fill the bag, labeling, storage and timing, when to sample, and how many samples.
  • A field record to fill in at the site, a before-you-leave checklist, and a short glossary.
Download the PDF
The Crop Succession Guide, one landscape page

Crop Succession Guide

PDF · 1 page · 260 KB · South Florida growers

A one-page chart of how soil shifts from bacteria-led to fungi-led as land matures, and where common crops sit on that line.

  • Four stages, from disturbed ground to orchards and tropical fruit, with example crops for each.
  • The fungal-to-bacterial ratio explained in plain words, and why it matters when you choose a crop.
  • A note on what is and is not published: only the vegetable stage has a published target range. The other stages are set from your own soil test.
Download the PDF

Would rather we did the sampling?

We can visit your property, take the samples and examine them under the microscope. Tell us a little about your land and we will reach out.

Request a sampling visitHow it works