Soil Composition — Free Ternary Plot Template
This Soil Composition template uses a ternary plot to map each soil sample by its three texture fractions: clay, sand, and silt. The sample data plots six field sites (Field A through F) with clay-sand-silt percentages ranging from sandy spots like Field F (10) to clay-rich ones like Field C (60), so you can see at a glance how textures cluster across a survey area. It is a ready starting point for visualizing the USDA-style soil texture triangle without building the three-axis geometry from scratch.
Open This Template in the EditorAbout This Ternary Plot Template
This Soil Composition template uses a ternary plot to map each soil sample by its three texture fractions: clay, sand, and silt. The sample data plots six field sites (Field A through F) with clay-sand-silt percentages ranging from sandy spots like Field F (10) to clay-rich ones like Field C (60), so you can see at a glance how textures cluster across a survey area. It is a ready starting point for visualizing the USDA-style soil texture triangle without building the three-axis geometry from scratch.
It's a ready-made Ternary Plot you can open and edit in seconds — replace the sample numbers with your own, restyle it, and download a publication-ready image, all free and in your browser.
Template Data
This template ships with the sample data below. Open it in the editor to swap in your own figures:
| Sample | Soil |
|---|---|
| Field A | 40 |
| Field B | 20 |
| Field C | 60 |
| Field D | 30 |
| Field E | 50 |
| Field F | 10 |
When to Use This Template
- Soil scientists and agronomists charting clay-sand-silt fractions from field or lab texture tests across multiple sample sites
- Geology, agriculture, or environmental-science students learning to read and present a soil texture triangle for coursework or reports
- Farmers and land surveyors comparing soil composition between fields to guide drainage, irrigation, or planting decisions
How to Use It
- Open the template — click "Open This Template in the Editor" to load it with its sample data.
- Edit the data — type your own labels and values, or paste a column straight from a spreadsheet.
- Customize & export — pick colors, add a title, then download as PNG, SVG, or PDF. No signup, no watermark.
Frequently Asked Questions
Can I replace the sample fields with my own soil data?
Yes. Click Open in editor and edit the data table directly: rename Field A-F to your own sites and type in your measured clay, sand, and silt percentages. The ternary plot updates instantly as you change the values, and you can add or remove rows for more samples.
Is it free, and how do I export the finished diagram?
It is completely free with no signup or account. Once you have customized the colors and data in the browser editor, you can export the chart as a PNG, SVG, or PDF to drop into a lab report, field study, or presentation.
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