[Terrapreta] Cost of charcoal amendment to soil.

[Michael Bailes]

Here are a few hits from google as a"plant
nutrient"<http://ars.usda.gov/research/projects/projects.htm?accn_no=409206>
ARS Project: DETERMINING THE ROLE OF *SILICON* AS A *PLANT NUTRIENT*
*...*<http://ars.usda.gov/research/projects/projects.htm?accn_no=409206>Research
Project: DETERMINING THE ROLE OF *SILICON* AS A *PLANT NUTRIENT* AND
PROTECTANT IN BEDDING *PLANT* PRODUCTION. Location: Application Technology
Research *...*
ars.usda.gov/research/projects/projects.htm?accn_no=409206 - 50k -
Cached<http://72.14.253.104/search?q=cache:NgDRoN1FTJkJ:ars.usda.gov/research/projects/projects.htm%3Faccn_no%3D409206+Silica+is+a+plant+nutrient%3F&hl=en&ct=clnk&cd=1>-
Similar
pages<http://www.google.com/search?hl=en&pwst=1&q=related:ars.usda.gov/research/projects/projects.htm%3Faccn_no%3D409206>
Got
*silicon*? The non-essential beneficial *plant
nutrient*.<http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12753977&dopt=Abstract>Research
on a possible nutritional role for the element *silicon* has been hampered
by the diverse ben...
www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12753977&dopt=Abstract-
Similar
pages<http://www.google.com/search?hl=en&pwst=1&q=related:www.ncbi.nlm.nih.gov/entrez/query.fcgi%3Fcmd%3DRetrieve%26db%3DPubMed%26list_uids%3D12753977%26dopt%3DAbstract>
*[PDF]* *Silicon*: The Estranged Medium
Element<http://edis.ifas.ufl.edu/pdffiles/EP/EP07500.pdf>File
Format: PDF/Adobe Acrobat - View as
HTML<http://72.14.253.104/search?q=cache:cqT1fY4yaCYJ:edis.ifas.ufl.edu/pdffiles/EP/EP07500.pdf+Silica+is+a+plant+nutrient%3F&hl=en&ct=clnk&cd=3>
reinforce cell walls, increase *plant* mechanical. strength thereby
protecting *plants* against pathogens. and insects. *Silicon* Balances *Plant
Nutrient* *...*
edis.ifas.ufl.edu/pdffiles/EP/EP07500.pdf - Similar
pages<http://www.google.com/search?hl=en&pwst=1&q=related:edis.ifas.ufl.edu/pdffiles/EP/EP07500.pdf>
The Anomaly of *Silicon* in *Plant*
Biology<http://www.pnas.org/cgi/content/abstract/91/1/11>
*Plants* grown in conventional *nutrient* solutions are thus to an extent
experimental artifacts. Omission of *silicon* from solution cultures may
lead to *...*
www.pnas.org/cgi/content/abstract/91/1/11 - Similar
pages<http://www.google.com/search?hl=en&pwst=1&q=related:www.pnas.org/cgi/content/abstract/91/1/11>
*Silicon* in Agriculture <http://conference.ifas.ufl.edu/silicon/index.html>
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