We’ve been instructed since the advent of soil testing on the importance of the macronutrients — nitrogen, phosphorous, and potassium. But what about carbon? Where’s it on the soil sample, why do I need it, and where do I buy it for my crops? That inability to buy carbon — or for the inputs industry to sell it to farmers -- is precisely why Kelly Garrett says we’ve never been advised on carbon’s importance as a crop input. That’s all changing according to BiomeMaker agronomist Al Toops who says through advanced soil analysis is uncovering the role of carbon in soil biology. As Connor Garrett says, “N,P & K are like vitamins. Take them and they’ll make you feel better. But carbon is food. You can’t live without it.”

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