Smartsoil
// TOOLS

Build a mix without the spreadsheet.

Pick your species, set your area, and the calculator does the arithmetic: rates, cost per hectare, and what the mix is doing underground.

Cover crop species and their root systems below the soil line

Cover cropping calculator

FREE

Build a mix from the species you can actually get, and see what it costs and what it's doing underground.

  • Seeding rates and cost per hectare as you go
  • Root depth and what each species is there for
  • Save a mix and come back to it
  • Print a saved mix as an order sheet for your supplier
Open the calculator
A close-up of seed

The advisor

WITH LEARN

The part that does the thinking rather than the arithmetic. Ask it why a mix behaves the way it does.

  • Ask what a mix is doing, and what to change
  • One-click rebalance against what you're trying to fix
  • Function analysis across the whole mix
See what Learn costs
People at a farm-gate market stall

The farmer directory

FREE

Who does what, near you: contractors, agronomists, seed and the rest, listed by the people who use them.

  • Search by what you need and where you are
  • Listings added and checked by hand
  • Free to browse, free to be listed
Open the directory

Take the mix off the screen.

A saved mix prints as an order sheet — species, rates, kilograms and the total — to send to whoever you buy seed from. We sell native grass seed ourselves, with the freight priced by state and weight before you pay.

Browse the seed