Richard Gorny wrote:Thanks for your replies. Well, I have changed my plans and instead of doing what I was asking about, I have made a new no-dig bed for asparagus and Jerusalem artichokes. The crows are under a feet of mulch, composed of fallen leaves, hay straw, woodchips and a bit of compost. It is their first year here, so all I can say is that they are growing. In a year or two we will see if they will become productive.