[web2py] Forms and their customisation

[Emceha]

Here is my controller code:

def dodaj_artykul():
    form=crud.create(db.artykuly,next='pokaz_artykul/[id]')
    return dict(form=form)

I see that textarea always has cols=40 and rows=10 - I wanted to
change that value but I haven't found any straight forward example to
do it using CRUD only?

Should I use SQLFORM?

Thanks