"Janet Baraclough" wrote in message

Snip

Before filling in each trench with the topsoil from the next,, spread
the bottom with as much biodegradable material as you can lay hands on.
Snip
This material could be , . . Snip . . . feathers from old pillows and
duvets,

Snip

Can you imagine doing that when the wind's blowing a hoolie!!!? Beside,
who's got feather pillows and duvets these days?

Lionel