Competence in
natural raw materials
from renewable
Organic Soil Conditioner
From German leonardite. Humic and fulvic acids resulting from chemical and biological humification of plants and organic matter.
BIO-PROTAN®Liquid Humus
Protan AG
Runkelsstrasse 38, FL-9495 Triesen
T +423 375 15 25, Email, Privacy Policy
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