Yield per metre - rasps and strawberries ?

[gridgardener]

the answer can found in the book listed below.

How to Grow More Vegetables and Fruits: (And Fruits, Nuts, Berries, Grains, and Other Crops) by John Jeavons

[SimonCole]

I get 1lb per square metre with Malling Jewel in the shade, twice per season.