Table 1.

Chemical characteristics and ingredients of used soils.

Parameter	Compost soil mixture of Seiringer (data of analysis)	Seramis Bio Hochbeet-Gemüseerde peat free
pH-value (CaCl2)	7.25–8.75	5–7
Salt content (g l−1 KCl)	2.6–4.6	1–3
N (mg l−1)	45	40–300
P2O5 (mg l−1)	818	40–300
K2O (mg l−1)	2713	300–1000
Ingredients	green waste compost, fine sand, peat and pieces of red-bricks	bark humus, green waste-compost, horn grit, coconut fiber, calcium carbonate, and extraction residues of oilseeds