Re: Shell's 100-RON fuel - what actually is it?

Steve wrote:

> Pooh Bear wrote:
>
> > EatMe wrote:
> >
> >
> >>With all due respect I would like to know where the fertilizer comes
> >>from that grows the corn?  Isn't it a petrochemical based product?
> >
> >
> > Are you suggesting that *fertiliser* is what the plant actually
consumes
> > to grow ?
> > I suggest you learn something about how plants grow. They existed
before
> > fertiliser you know !
>
> Getting crop yields anywhere NEAR high enough to feed the world
> population with existing cropland (let alone have leftovers for
> biofuels!) ABSOLUTELY REQUIRES artificial fertilization, whether by
> petroleum-derived fertilizers or mined deposits of nitrates (eg bat
> guano). Anyone who thinks otherwise is delusional.

Fertilisers are not what the plant exclusively lives on though ! There's
this
clever business with CO2 going on !

Graham