Nitrogen fixing bacteria
lundi 8 octobre 2018 à 02:00Genetic engineers are developing nitrogen fixing bacteria to replace synthetic nitrogen fertilizer (which is made using fossil fuel).
Will these new bacteria be designed to limit how much fixed nitrogen they make? Without negative feedback that would limit the production based on circumstances, what would avoid that?
I also worry about the issue of patents and what this will cost farmers. Patents on the bacteria could make farmers even more dependent. On the other side, if the protection against an excess of these bacteria, and a consequent excess of fixed nitrogen, is that they don't survive very long, does that mean farmers would have to buy more bacteria each year?
Runoff has made the rivers of Iowa toxic — people can't the fish or drink the water.
This runoff includes phosphate as well as nitrate. The bacteria to fix nitrogen would perhaps eliminate the latter but not the former. And no substitution of fertilizer will reduce the outflow from animal feedlots — they only consume the plants.