🚀 go-pugleaf

Pete Lucas wrote:
> 
> Christopher Allen Schultz wrote:
> >
> > It is true that the nutrients are the same, but let me give an analogy for
> > what you are saying.  Inorganic fertillizers are dissolved in water,
> > applied as water soluble solids or applied as gasses (ammonia injection),
> > take a sieve add which ever inorganic nutrient source you wish and then
> > add water.  Is there any fertillizer in your sieve?  That water on your
> > shoes is called Groundwater, in some places groundwater pollution is a
> > major problem.  Now take the same sieve add manure or compost and pour
> > water through it.  This water is not cleaner, but contains less
> > nutrients, plants are very good at abstracting nutrients from organic
> > sources! Plants will preferencially abstract nutrients from the soil
> > organics over the inorganic sources for a number of reasons,
> 
> Huuh? The nutrients have to be in solution before the plant
> can do its' uptake; and how is the plant going to distinguish
> between, say, a phosphate molecule from an "organic" or an
> "inorganic" source at this point?  After all, the chemical
> structure of a given molecule is constant.
> 
Probably something to do with availability, locking up and gradual
release, when mixed with organic material
woodmouse