Instant fertilizer: Farmer injects tractor’s carbon into the ground
Posted by david brooks
A system called Bio-Agtive under development by a Canadian firm takes exhaust from big, honking farm tractors, cools it to 30 degrees C., then expels it into the soil as gas fertilizer while the tractor is sowing a crop. It sounds too good to be true, or at least too good to be practical, [...]
