You use ammonia to add nitrogen to crops. Making ammonia is an extremely energy intensive process that already contributes about 2-3% of global carbon emmission

You use ammonia to add nitrogen to crops. Making ammonia is an extremely energy intensive process that already contributes about 2-3% of global carbon emmissions. [1] So you could spray ammonia everywhere to promote growth, but it's not clear that you'll offset the carbon emissions from making so much ammonia in the first place. [1] https://m.phys.org/news/2018-07-electrochemically-produced-ammonia-revolutionize-food-production.html https://m.phys.org/news/2018-07-electrochemically-produced-a...