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Contact

Data corrections and supplier enquiries are handled through the contact form.

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Data corrections and supplier enquiries will be handled through this form once it is enabled. It is switched off for now, so nothing you type can be sent.

Good reasons to write

  • A product listing, analysis or link looks wrong. Tell us the product and what is wrong, and a link to the label if you have one. We correct verified errors and update the “checked” date.
  • A product you would like listed. We only add products where we can read the analysis from a manufacturer source.
  • You are an agronomist or researcher and would like to review or correct an article.

We cannot give agronomic advice or recommend products for your paddock. Please talk to your agronomist.

Last updated 17 October 2026.