Frits v/d Laan (f.vd.laan at inter.nl.net) wrote:
: I would like to get any information about plants that are known to
: indicate at a early stage anything to do with there environment,
: shortage or to much of nutrician N, P, K, Mg etc. or are sensitive for
: or atract insects earlier than most plants.
: If there are databases already existing or someone knows such planttypes
: please mail them to me.
: Any free data will be posted back to these groups when there's enough
: data collected
: Frits v/d Laan
: Organic horticulture
I ran searches in the University of California Libraries catalog MELVYL
on "deficiencies in plants" and "plant indicators" which I will email you