All I know of is Clean Seed (TSX.V: CSX) which is a company that produces an "intelligent" planter, you can set it up to vary the depth and seed type planted de

All I know of is Clean Seed (TSX.V: CSX) which is a company that produces an "intelligent" planter, you can set it up to vary the depth and seed type planted depending on your map of your fields and varying soil conditions. They're trialling this year and the big question will soon be answered about how much it impacts yields. Its in that direction but obviously still a bit off what you're asking.