Fertilization
Merrill Jensen (Tue, 12 Apr 2005 07:54:52 PDT)
I don't' mean to throw a spanner in the works, but how is it possible to
ever have a healthy soil if a field has been sterilized? Once you wipe out
all of the beneficial micro-organisms, it always seems that it's the
pathogenic ones that come back first, making it necessary to get on the
chemical treadmill to have a saleable crop. As an old organic grower, I've
found that if you maintain a healthy soil, the incidence of disease is much
less or non-existent.
Merrill
Palo Alto, CA zone 9/10
-----Original Message-----
From: pbs-bounces@lists.ibiblio.org [mailto:pbs-bounces@lists.ibiblio.org]
On Behalf Of Pacific Rim
Sent: Monday, April 11, 2005 10:08 PM
To: zonneveld@RULBIM.Leidenuniv.nl; Pacific Bulb Society
Subject: Re: [pbs] Fertilization
Ben Zonneveld, with great respect: other reasons that bulbs in the
Netherlands rapidly increase in size and number are the same elsewhere in
the world:
-- sometimes the growing fields are healthy soil
-- sometimes the growing fields are sterilized
-- sometimes plants are minutely observed and selected for traits such as
rapid production of offsets.
Paige Woodward
paige@hillkeep.ca
http://www.hillkeep.ca/
----- Original Message -----
From: "zonneveld" <zonneveld@RULBIM.Leidenuniv.nl>
To: <pbs@lists.ibiblio.org>
Sent: Monday, April 11, 2005 12:48 AM
Subject: [pbs] Fertilization
All bulb fields in Holland are heavely fertilized each year before the
bulbs ( tulips narcissi hyacinths) go in That is why they increase in
size an number
Ben J.M.Zonneveld
Institute of Biology,Leiden University, Clusius lab
Wassenaarse weg 64, 2333 AL Leiden, The Netherlands
Zonneveld@rulbim.Leidenuniv.NL
Fax: +31-71-5274999. min temp -10C (15F)
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