THE PROPERTIES OF THE NORMALLY USED SUBSTRATES IN THE REGION OF GHENT

ISHS Acta Horticulturae 37: I Symposium on Artificial Media in Horticulture

THE PROPERTIES OF THE NORMALLY USED SUBSTRATES IN THE REGION OF GHENT

Authors:

O. Verdonck, I. Cappaert, M. De Boodt

Abstract:
The region of Ghent is one of the most important horticultural centres in the world.

The most important plants cultivated in the different nurseries are azalea, begonia, green plants, cutflowers and nursery stock. Also the vegetables and especially the vegetables cultivated in greenhouses are very important. All the nurseries need great quantities of substrates with optimal properties.

Approximately 800.000 m³ (De Boodt and Verdonck, 1970) of substrates are used (table 1). Three products can be used as substrates :

pine and leaf moulds,
peat products,
inert materials as perlite, vermiculite, polyurethanes, polystyreen …

TABLE 1

Quantities of substrates used for plant growing.

Substrates	Quantities in m³
Pine and leaf moulds	380.000
Peat	372.000
Inert products	30.000
	___________
	Total : 782.000

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