Ascientific Nonsense. Trace elements or the lack of them are detectable via drill core samples, drone footage and satellite footage. And in the harvest itself.
And they are routinely re-added while working on the fields. All it would have taken is a visit to a online fertilizer storefront for farmers.
The problem is the rising efficiency of photosynthesis with higher carbondioxid in the air. Means, faster growth, more sugar, less everything else.
In addition I want to express my deep disgust to the "blood and soil" nazi ideology most back to natural farming people push as soon as you drill down on the consequences.