English to Swedish Other Metallurgy / Casting EU directive on best available techniques

'XXXXX is to prevent or reduce diffuse dust emissions from materials storage, handling and transport by using one or a combination of the techniques mentioned below.

If abatement techniques are used, XXXX is to optimise the capture efficiency and subsequent cleaning through appropriate techniques such as those mentioned below. Preference is given to the collection of the dust emissions nearest to the source.

Techniques for materials delivery, storage and reclamation activities include:
(....)

• hydro-seeding of waste tips and slag heaps'


Am not sure what the correct translation of 'hydro-seeding' would be?

Thanks:-)