In article , Franz Heymann notfranz.
writes

Folk should realise
that it is quite silly to use the term "organic" versus "inorganic" in the
contexts in which they are commonly used in agri- and horticulture.

It's confusing, but an analogy is the different use of 'fruit' in botany
and cookery - eg tomato and rhubarb.
--
Kay Easton

Edward's earthworm page:
http://www.scarboro.demon.co.uk/edward/index.htm