Living roots in the soil or storage vessels like turnips and radishes are how you do it.
Other crop nutrients like P and K are largely stable. Bound to the soil and what not. Do they call that Chelated? Not sure.
N is different. If you are not keeping the balloon in the air with crops.....it goes away.
Sterile soils lead to amendments like was being sold in the article you posted.
Someone once said that our soils today are a mere shadow of what they once were. Today's soils are little better than the inert water used in hydroponic agriculture.....they said.
Why not use profitable plants to manage your N rather than expensive amendments?
You then get into the realm of real "sustainability". More production, more profit, more opportunity.
Last edited by Jim_Conrad; 09/08/19.
