This is the vegan organics network's standards for veganics. BOOM!
http://www.veganorganic.net/images/standards_jan2007.pdf
"5. Supplementary nutrients
5.1 Permitted soluble fertilisers and alginates for supplementary purposes only
(a) Supplementary tonics created on the holding e.g. Comfrey tonics, nettle tonics and
herb tonics e.g. camomile and tansy
(b) Compost teas created on the holding
(c) Dried seaweed meal
(d) Liquid seaweed and other commercially available foliar feeds suitable for organic
systems that are free from animal inputs
(e) Commercially available compound fertilisers and liquid feeds suitable for organic
systems that are free from animal inputs
5.2 Permitted fertilisers for supplementary purposes only
(a) Phosphate sources (Cadmium content less than or equal to 90mg/kg of P205);
Natural rock phosphate (e.g. Tunisian rock phosphate);
Calcined aluminium phosphate rock (e.g. Redzlaag) where soil pH > 7.5.
(b) Potassium (potash) sources:
Wood-ash (from wood not chemically treated after felling) from the registered
holding
(c) Calcium-magnesium sources:
Dolomitic limestone
Gypsum - calcium sulphate
Ground chalk & limestone
Epsom salts (for acute magnesium deficiency)
Magnesium rock (including Kierite)
(d) Clays (e.g. perlite and vermiculite).
5.3 Mineral must only be used in cases of acute shortage because the products are
quarried from non-renewable resources and are transported over long distances.
5.4 Restricted fertilisers
(a) Sulphate of potash - only where exchangeable K levels are below index 2 (100mg/litre)
and clay content is less than 20%, following soil analysis
(b) Sulphur
(c) Calcium chloride - for bitter pit in apples
(d) Industrial lime from sugar production
(e) Natural rock potash - providing it has a relatively low immediate solubility in water and
low chlorine content
(f) Trace elements
Stone meal (ground basalt)
Boron, copper, iron, manganese, molybdenum, cobalt, selenium, zinc.
5.5 Prohibited fertilisers
(a) Any animal by-product of livestock or fish origin
(b) All synthetic fertilisers including: nitrochalk, Chilliean nitrate, urea, muriate of potash,
potassium chloride, superphosphates, kanite and fibrophos
(c) Slaked lime, quicklime
(d) Lithothamnium coralloides and phymatolithon calcareum forms of calcified seaweed"