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specified transition period. One of the developments regarding vermicompost production in our

country is the Turkish Vermicompost Producers Association (TOSGEB), a professional
organization established by certified and non-certified producers.

Market placement conditions and product specifications of worm castings are regulated by-law
30341 and 28152. The qualifications that solid and liquid vermicompost must have in order to

be marketed are given below (Table 12).

Table 12. Specifications for solid and liquid vermicompost

Solid vermicompost Liquid vermicompost

The final product obtained from ground-
Information about the independent worm beds as a result of The product in solution or suspension
method of obtaining the passing wastes of plant and/or animal form obtained as a result of physical
organic product and its origin through the digestive system of and/or chemical and/or biological
main components the worm and processed in accordance processing of solid vermicompost.

with the relevant legislation.
Organic matter at least 20%
The product's raw Total nitrogen at least 0.5%
material content, Organic nitrogen Organic matter at least 5%
quantity, plant nutrient N+P 2O 5+K 2O up to 7% Organic nitrogen
content and other criteria Maximum humidity 35%
C/N: 8-22

Other information such as
EC, pH etc. that should be pH pH
declared on the product EC (dS/m) EC (dS/m)
label
Organic matter
Organic matter
Total nitrogen
Organic nitrogen
Organic Nitrogen
Shelf life cannot exceed one year
Maximum humidity
Optional:
Mandatory content to be C/N
Total nitrogen
declared on the label Optional:
Water-soluble potassium oxide (K 2O)
Water-soluble potassium oxide (K 2O)
Total phosphorus pentoxide (P 2O 5)
Total phosphorus pentoxide (P 2O 5)
Total humic acid+fulvic acid can be
Total humic acid+fulvic acid can be
declared.
declared.

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