Reuse of potting soil from professional horticulture
Spent substrate is potting soil from professional horticulture that is processed into a new raw material after one or more culture rounds. In order to meet the phytosanitary requirements of the RHP quality mark, sanitation is the most important treatment.
The chemical and physical properties determine the dosage of the spent substrate. Sanitation of the spent substrate is necessary to meet the phytosanitary requirements of the RHP quality mark. The spent substrate can be used as a raw material for potting soil, garden soil and garden compost in the field of application RHP Consumer.
