Search for nitrogen in the original article, it definitely reduces the need for added nitrogen. Adding lots of cheap nitrogen is something we've become addicte

Search for nitrogen in the original article, it definitely reduces the need for added nitrogen. Adding lots of cheap nitrogen is something we've become addicted to ... farmers used to rotate crops etc. There is another article on this site about how corn will uptake far more nitrogen than it needs, so cheap, abundant nitrogen isn't really as necessary as we believe.