FAQ Nematodes
introduced into a dry substrate/soil they will die. Also when
the soil dries out very quickly after application. In addition, they use moisture in combination [...] long as the soil is not dry, the nematodes will survive and search for a host. It is therefore important to leave
the soil moist for a few weeks after application [...] (Pot) soil,
on the other hand and if not too dry, is always good. Heavy clay soil is also not optimum for nematodes.
In this case, repeated applications