New Draft Regulations on Organic Production (October 2001)
ANNEXURE I: Substances for use in soil fertilizing and conditioning
|
SUBSTANCE |
DESCRIPTION;
COMPOSITIONAL REQUIREMENTS;
CONDITIONS OF USE |
|
Farmyard
and poultry manure |
Products
comprising a mixture of animal excrements and vegetable matter (animal
bedding). Need
recognised by certifying organisation if not sourced from organic
production systems. Indication
of animal species. Coming
from extensive husbandry only. |
|
Slurry
or urine (not from human origin) |
If
not from organic sources, need recognised by certifying organisation.
Use after controlled fermentation and/or appropriate dilution.
"Factory" farming sources not permitted. Indication
of animal species. |
|
Composted
animal excrements, including poultry manure |
"Factory"
farming sources not permitted. Need
recognised by the certifying organisation. Indication
of animal species. |
|
Dried
farmyard manure and dehydrated poultry manure |
Need
recognised by the certifying organisation. Indication
of animal species. Coming
from extensive husbandry only. |
|
Guano |
Need
recognised by the certifying organisation. |
|
Straw |
Need
recognised by the certifying organisation. |
|
Composts
from spent mushroom & dejecta of worms and insects (vermiculture
substrates) |
The
initial composition limited to products on this list. |
|
Composts
from organic household refuse |
Organic
vegetable and animal waste separated from household waste. Need
recognised by the certifying organisation. Maximum
concentrations in mg/kg of dry matter:
Cadmium: 0,7;
Copper: 70;
Nickel: 25;
Lead: 45;
Zinc: 200; Mercury:
0,4; Chromium (total):
70; Chromium (VI): 0(*) (*)
limit of determination |
|
Composts
from plant residues |
Need
recognised by the certifying organisation. |
|
Processed
animal products from slaughterhouses & fish industries: -
blood meal -
hoof meal -
horn meal -
bone meal or degelatinized bone meal -
fish meal -
meat meal -
feather, hair and "chiquette" meal -
wool -
fur -
hair -
dairy products |
Need
recognised by the certifying organisation. - - - - - - - - Maximum
concentration in mg/kg of dry matter of Chromium (VI):0 (*) (*)
limit of determination - -- |
|
SUBSTANCE |
DESCRIPTION:
COMPOSITIONAL REQUIREMENTS:
CONDITIONS OF USE |
|
By-products
of food & textile industries |
Not
treated with synthetic additives. Need
recognised by the certifying organisation. |
|
Seaweeds
and seaweeds products |
Need
recognised by certifying organisation. Directly
obtained by -- -
physical processes; -
extraction with water or
acid and/or alkaline solution; -
and fermentation. |
|
Sawdust,
bark and wood waste |
From
wood not chemically treated after felling. |
|
Wood
ash |
From
wood not chemically treated after felling. |
|
Natural
phosphate rock |
Need
recognised by certifying organisation. Cadmium
should not exceed 90 mg/kg of P205. |
|
Basic
slag |
Need
recognised by the certifying organisation. |
|
Rock
potash, mined potassium salts (e.g. Kainite, sylvinite) |
Need
recognised by the certifying organisation. |
|
Potassium
sulphate, possibly containing magnesium salt |
Obtained
by physical procedures but not enriched by. Need
recognised by the certifying organisation. Derived
from crude potassium salt. |
|
Calcium
carbonate of natural origin (e.g. Chalk, marl, maerl, limestone, phosphate
chalk) |
- |
|
Magnesium
and calcium carbonate of natural origin (e.g. magnesian chalk, ground
magnesium limestone) |
- |
|
Epsom
salt (magnesium-sulphate) |
- |
|
Gypsum
(calcium sulphate) |
Only
of natural origin |
|
Stillage
and stillage extract |
Ammonium
stillage excluded. |
|
Sodium
chloride |
Only
mined salt. Need
recognised by certifying organisation. |
|
Aluminium
calcium phosphate |
Cadmium
should not exceed 90 mg/kg of P2O5. Use
limited to basic soils (pH > 7,5) |
|
Trace
elements (e.g. Boron, copper, iron, manganese, molybdenum, zinc) |
Need
recognised by certifying organisation. |
|
Sulphur |
Need
recognised by certifying organisation. |
|
Stone
meal |
- |
|
Clay
(e.g. Bentonite, vermiculite, perlite, zeolite) |
- |
|
Naturally
occurring biological organisms (e.g. Worms) |
- |
|
Peat |
Excluding
synthetic additives; permitted for seed, potting module composts (Limited
to horticulture). |
|
Calcium
chloride solution |
Need
recognised by the certifying organisation. Foliar
treatment of apple trees after identification of deficit of calcium. |
|
By-products
of industries processing ingredients from organic agriculture |
Need
recognised by certifying organisation. |