Rock on Soils is a project exploring whether spreading crushed rock onto agricultural land can capture large quantities of carbon in the ground. Taking carbon out of the air is a key part of the fight against climate change, and the rock that's used is a by-product of quarrying, so it's an exciting prospect. The EU-funded project is being led by the Scottish Organic Producers Association (SOPA), and a range of academic and farming partners. To find out more, Anna is speaking with Dunkeld beef and sheep farmer Alex Brewster, Doug Christie, who's got a partly-organic mixed farm in Leven in Fife, and Ehsam Jorat, a senior lecturer in geo-technical engineering at Abertay University.

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Meet OnFARM sponsors SkyeSkyns

SkyeSkyns is a traditional tannery, and luxury sheepskins and home accessories business on the Isle of Skye. The company are looking for crofters, breeders and farmers who breed native, rare, or heritage breed sheep, to supply skins for their tannery. This will mean they can hand-craft fully traceable sheep skins, and support producers by putting value back in to the sheep farming process. Find out more about joining the SkyeSkyns supplier network:

Skye Skins